CN216017173U - NB-IoT wireless communication module and mobile terminal - Google Patents
NB-IoT wireless communication module and mobile terminal Download PDFInfo
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- CN216017173U CN216017173U CN202121633244.5U CN202121633244U CN216017173U CN 216017173 U CN216017173 U CN 216017173U CN 202121633244 U CN202121633244 U CN 202121633244U CN 216017173 U CN216017173 U CN 216017173U
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Abstract
The embodiment of the application relates to the technical field of electronic equipment, in particular to an NB-IoT wireless communication module, which comprises: the antenna comprises a first communication module, a second communication module, a switching module and an antenna, wherein the first communication module is an NB-IoT module, the second communication module is a BLE module or a GNSS module, the first communication module is electrically connected to the antenna through the switching module, the second communication module is electrically connected to the antenna through the switching module, the switching module is used for disconnecting or closing the electrical connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electrical connection between the second communication module and the antenna. The embodiment of the application also provides the mobile terminal. The NB-IoT wireless communication module and the mobile terminal provided by the embodiment of the application can simplify the operation process when the NB-IoT wireless communication module realizes other functions except the establishment of a cellular network.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic equipment, in particular to an NB-IoT wireless communication module and a mobile terminal.
Background
With the penetration of the Internet of Things, NB-IoT (Narrow Band Internet of Things) becomes an important branch of the Internet of everything, and NB-IoT wireless communication modules are widely used.
At present, an NB-IoT wireless communication module is configured to be constructed in a cellular network, and can be directly deployed in a GSM (Global System for Mobile Communications: Global System for Mobile Communications) network, a UMTS (UMTS: Universal Mobile Telecommunications System) network, or an LTE (Long Term Evolution) network by consuming only a bandwidth of about 180kHz (kHz).
However, when the NB-IoT wireless communication module needs to realize other functions besides establishing the cellular network, the NB-IoT wireless communication module needs to be configured with other functional modules, which complicates the operation process.
Therefore, it is desirable to provide an NB-IoT wireless communication module and a mobile terminal, which simplify the operation process of the NB-IoT wireless communication module for implementing other functions besides establishing a cellular network.
SUMMERY OF THE UTILITY MODEL
An object of the embodiments of the present application is to provide an NB-IoT wireless communication module and a mobile terminal, which can simplify the operation process of the NB-IoT wireless communication module when implementing other functions besides establishing a cellular network.
To solve the above problem, an embodiment of the present invention provides an NB-IoT wireless communication module, including: the antenna comprises a first communication module, a second communication module, a switching module and an antenna, wherein the first communication module is an NB-IoT module, the second communication module is a BLE module or a GNSS module, the first communication module is electrically connected to the antenna through the switching module, the second communication module is electrically connected to the antenna through the switching module, the switching module is used for disconnecting or closing the electrical connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electrical connection between the second communication module and the antenna; when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna.
In addition, an embodiment of the present application further provides a mobile terminal, including: the NB-IoT wireless communication module is provided.
The NB-IoT wireless communication module and the mobile terminal provided in the embodiment of the present application include: the first communication module is an NB-IoT module, the second communication module is a BLE (BLE: Bluetooth Low Energy) module or a GNSS (Global Navigation Satellite System) module, the first communication module is electrically connected to the antenna through the switching module, and the second communication module is electrically connected to the antenna through the switching module, so that the NB-IoT wireless communication module provided by the embodiment of the application can realize the Bluetooth communication function or the positioning function without externally lapping the BLE module or the GNSS module when in use, thereby simplifying the operation process when the NB-IoT wireless communication module realizes the Bluetooth communication function or the positioning function, and in addition, the first communication module and the second communication module share the same antenna, in addition, the switching module is used for disconnecting or closing the electric connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electric connection between the second communication module and the antenna; when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna; therefore, the first communication module and the second communication module are prevented from using the antenna at the same time, and further radio frequency signal interference between the first communication module and the second communication module is avoided.
In addition, the NB-IoT wireless communication module further includes: a third communication module, wherein one of the second communication module and the third communication module is a BLE module, and the other is a GNSS module, the third communication module is electrically connected to the antenna through the switching module, and the switching module is configured to open or close an electrical connection between the third communication module and the antenna; when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the third communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the third communication module and the antenna; when the switching module closes the electrical connection between the third communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna and the electrical connection between the second communication module and the antenna. Therefore, when the NB-IoT wireless communication module provided in the embodiment of the present application is used, the bluetooth communication function and the positioning function can be achieved without externally overlapping the BLE module and the GNSS module, and in addition, the switching module is used to disconnect or close the electrical connection between the third communication module and the antenna; when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the third communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the third communication module and the antenna; when the switching module closes the electrical connection between the third communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna and the electrical connection between the second communication module and the antenna; therefore, the first communication module, the second communication module and the third communication module are prevented from using the antenna at the same time, and further radio frequency signal interference among the first communication module, the second communication module and the third communication module is avoided.
In addition, the first communication module comprises a first frequency band NB-IoT module supporting a B3 frequency band, a second frequency band NB-IoT module supporting a B5 frequency band and a third frequency band NB-IoT module supporting a B8 frequency band. Thus, the NB-IoT wireless communication module provided in the present embodiment can receive signals in multiple frequency bands.
In addition, the NB-IoT wireless communication module further includes: the power supply module is electrically connected with the first communication module through the direct current conversion DCDC, the power supply module is electrically connected with the second communication module through the direct current conversion DCDC, and the power supply module is electrically connected with the switching module through the direct current conversion DCDC. Therefore, the NB-IoT wireless communication module can establish a cellular network without an external power supply and realize a Bluetooth communication function or a positioning function.
In addition, the NB-IoT wireless communication module further includes: the processing module is electrically connected with the first communication module, the second communication module and the switching module, the processing module is used for controlling the switching module to disconnect or close the electrical connection between the first communication module and the antenna, and the processing module is used for controlling the switching module to disconnect or close the electrical connection between the second communication module and the antenna.
In addition, the NB-IoT wireless communication module further includes: the debugging interface is electrically connected with the processing module; the processing module is an OpenCPU.
In addition, the NB-IoT wireless communication module further includes: and the safety processing unit is electrically connected with the processing module and is used for controlling the NB-IoT wireless communication module to be safely started or FoTA upgraded. Therefore, The safety starting of The NB-IoT wireless communication module or The upgrading of The FoTA (Firmware Over-The-Air software of The mobile terminal) can be ensured.
In addition, the NB-IoT wireless communication module further includes: and the embedded SIM card is electrically connected with the processing module. Therefore, the NB-IoT wireless communication Module can be designed without a SIM (Subscriber Identity Module) card slot, and the design cost and the volume of the NB-IoT wireless communication Module are further reduced.
In addition, the NB-IoT wireless communication module further includes: the sensor is electrically connected with the processing module and is a spliced geomagnetic sensing line, a temperature and humidity sensor or a photosensitive sensor.
Drawings
Fig. 1 is a schematic structural diagram of an NB-IoT wireless communication module according to an embodiment of the present disclosure.
Detailed Description
An embodiment of the present application provides an NB-IoT wireless communication module, including: the first communication module is an NB-IoT module, the second communication module is a BLE module or a GNSS module, the first communication module is electrically connected to the antenna through the switching module, and the second communication module is electrically connected to the antenna through the switching module, so that the NB-IoT wireless communication module provided by the embodiment of the application can realize the Bluetooth communication function or the positioning function without externally arranging the BLE module or the GNSS module when in use, thereby simplifying the operation process of the NB-IoT wireless communication module for realizing the Bluetooth communication function or the positioning function, in addition, as the first communication module and the second communication module share the same antenna, the number of NB-IoT wireless communication module antennas is reduced, further the manufacturing cost of the NB-IoT wireless communication module is reduced, in addition, the switching module is used for disconnecting or closing the electric connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electric connection between the second communication module and the antenna; when the switching module closes the electric connection between the first communication module and the antenna, the switching module disconnects the electric connection between the second communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna; therefore, the first communication module and the second communication module are prevented from using the antenna at the same time, and further radio frequency signal interference between the first communication module and the second communication module is avoided.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following describes each embodiment of the present application in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in various embodiments of the present application in order to provide a better understanding of the present application. However, the technical means claimed in the present application can be realized by various changes and modifications of the following embodiments.
Referring to fig. 1, an NB-IoT wireless communication module according to an embodiment of the present disclosure includes: the communication device comprises a first communication module 110, a second communication module 120, a switching module 130 and an antenna 140, wherein the first communication module 110 is an NB-IoT module, the second communication module 120 is a BLE module or a GNSS module, the first communication module 110 is electrically connected to the antenna 140 through the switching module 130, the second communication module 120 is electrically connected to the antenna 140 through the switching module 130, the switching module 130 is used for opening or closing the electrical connection between the first communication module 110 and the antenna 140, and the switching module 130 is used for opening or closing the electrical connection between the second communication module 120 and the antenna 140; when the switching module 130 closes the electrical connection between the first communication module 110 and the antenna 140, the switching module 130 opens the electrical connection between the second communication module 120 and the antenna 140; when the switching module 130 closes the electrical connection of the second communication module 120 and the antenna 140, the switching module 130 opens the electrical connection of the first communication module 110 and the antenna 140.
Specifically, in the present embodiment, the number of the switching modules 130 is one, and a switch (not shown in the figure) is disposed in the switching module 130, and the switch is electrically connected to the first communication module 110, the second communication module 120 and the antenna 140 respectively; when the switching module 130 needs to close the electrical connection between the first communication module 110 and the antenna 140, the switch turns on the first communication module 110 and the antenna 140 and turns off the electrical connection between the second communication module 120 and the antenna 140; when the switching module 130 needs to close the electrical connection between the second communication module 120 and the antenna 140, the switch turns on the second communication module 120 and the antenna 140 and turns off the electrical connection between the first communication module 110 and the antenna 140.
It should be noted that, in other embodiments, the number of the switching modules may not be one, for example: in one embodiment, the number of the switching modules is two, each switching module is provided with a switch, the two switches are electrically connected with the antenna, the two switches are respectively electrically connected with the first communication module and the second communication module, and when the switching module needs to close the electrical connection between the first communication module and the antenna, the switch connected between the first communication module and the antenna is conducted, and the switch between the second communication module and the antenna is disconnected; when the switching module needs to close the electric connection between the second communication module and the antenna, the switch connected between the second communication module and the antenna is conducted, and the switch connected between the first communication module and the antenna is disconnected.
Preferably, the NB-IoT wireless communication module further includes: a third communication module 150, wherein one of the second communication module 120 and the third communication module 150 is a BLE module, and the other is a GNSS module, the third communication module 150 is electrically connected to the antenna 140 through a switching module 130, and the switching module 130 is used for opening or closing the electrical connection between the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection between the first communication module 110 and the antenna 140, the switching module 130 opens the electrical connection between the second communication module 120 and the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection between the second communication module 120 and the antenna 140, the switching module 130 opens the electrical connection between the first communication module 110 and the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection of the third communication module 150 and the antenna 140, the switching module 130 opens the electrical connection of the first communication module 110 and the second communication module 120 and the antenna 140.
Thus, when the NB-IoT wireless communication module provided in the embodiment of the present application is used, the bluetooth communication function and the positioning function can be implemented without externally connecting the BLE module and the GNSS module, and in addition, the switching module 130 is used to disconnect or close the electrical connection between the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection between the first communication module 110 and the antenna 140, the switching module 130 opens the electrical connection between the second communication module 120 and the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection between the second communication module 120 and the antenna 140, the switching module 130 opens the electrical connection between the first communication module 110 and the third communication module 150 and the antenna 140; when the switching module 130 closes the electrical connection between the third communication module 150 and the antenna 140, the switching module 130 opens the electrical connection between the first communication module 110 and the second communication module 120 and the antenna 140; therefore, the first communication module 110, the second communication module 120, and the third communication module 150 are prevented from using antennas at the same time, and further, radio frequency signal interference between the first communication module 110, the second communication module 120, and the third communication module 150 is prevented.
Specifically, in the present embodiment, the switch is electrically connected to the first communication module 110, the second communication module 120, the antenna 140 and the third communication module 150; when the switching module 130 needs to close the electrical connection between the first communication module 110 and the antenna 140, the switch turns on the first communication module 110 and the antenna 140 and turns off the electrical connection between the second communication module 120 and the third communication module 150 and the antenna 140; when the switching module 130 needs to close the electrical connection between the second communication module 120 and the antenna 140, the switch turns on the second communication module 120 and the antenna 140 and turns off the electrical connection between the first communication module 110 and the third communication module 150 and the antenna 140; when the switching module 130 needs to close the electrical connection between the third communication module 150 and the antenna 140, the switch turns on the third communication module 150 and the antenna 140 and turns off the electrical connection between the first communication module 110 and the second communication module 120 and the antenna 140.
More specifically, in this embodiment, the second communication module 120 is a BLE module, and the third communication module 150 is a GNSS module, wherein the second communication module 120 can receive a signal with a frequency of 2400MHz to 2485MHz (MHz: megahertz) and a signal with a transmission frequency of 2400MHz to 2485MHz, and the third communication module 150 can receive a signal with a frequency of 1559MHz to 1609MHz and a signal with a transmission frequency of 1559MHz to 1609 MHz; in other modified embodiments, the second communication module may also be a GNSS module, and the third communication module may also be a BLE module.
Preferably, the first communication module 110 includes a first band NB-IoT module 111 supporting a B3 band, a second band NB-IoT module 112 supporting a B5 band, and a third band NB-IoT module 113 supporting a B8 band. Thus, the NB-IoT wireless communication module provided in the present embodiment can receive signals in multiple frequency bands.
Specifically, the first frequency band NB-IoT module 111 supporting the B3 frequency band may receive signals with a frequency of 1805MHz to 1880MHz and transmit signals with a frequency of 1710MHz to 1785MHz, the second frequency band NB-IoT module 112 supporting the B5 frequency band may receive signals with a frequency of 869MHz to 894MHz and transmit signals with a frequency of 824MHz to 849MHz, and the third frequency band NB-IoT module 113 supporting the B8 frequency band may receive signals with a frequency of 925MHz to 960MHz and transmit signals with a frequency of 880MHz to 915 MHz.
Further, the NB-IoT wireless communication module further includes: a power supply module 161 and a DC-to-DC converter DCDC162 (DC-DC: DC chopper), the power supply module 161 is electrically connected to the first communication module 110 through the DC-to-DC converter DCDC162, the power supply module 161 is electrically connected to the second communication module 120 through the DC-to-DC converter DCDC162, and the power supply module 161 is electrically connected to the switching module 130 through the DC-to-DC converter DCDC 162. Therefore, the NB-IoT wireless communication module can establish a cellular network without an external power supply and realize a Bluetooth communication function or a positioning function. Further, in the present embodiment, the power supply module 161 is further electrically connected to the third communication module 150 through the dc conversion DCDC 162.
Preferably, the NB-IoT wireless communication module further includes: the processing module 170 is electrically connected to the first communication module 110, the second communication module 120 and the switching module 130, the processing module 170 is configured to control the switching module 130 to disconnect or close the electrical connection between the first communication module 110 and the antenna 140, and the processing module 170 is configured to control the switching module 130 to disconnect or close the electrical connection between the second communication module 120 and the antenna 140.
Specifically, when the NB-IoT wireless communication module needs to use the first communication module 110 to receive or transmit signals, the processing module 170 controls the switching module 130 to close the electrical connection between the first communication module 110 and the antenna 140, and controls the switching module 130 to disconnect the electrical connection between the second communication module 120 and the antenna 140; when the NB-IoT wireless communication module needs to use the second communication module 120 to receive or transmit signals, the processing module 170 controls the switching module 130 to close the electrical connection between the second communication module 120 and the antenna 140, and controls the switching module 130 to disconnect the electrical connection between the first communication module 110 and the antenna 140. More specifically, in the present embodiment, the power supply module 161 is electrically connected to the processing module 170 through the dc conversion DCDC 162.
Further, in this embodiment, the processing module 170 is further electrically connected to the third communication module 150, and the processing module 170 is further configured to control the switching module 130 to open or close the electrical connection between the third communication module 150 and the antenna 140; when the NB-IoT wireless communication module needs to receive or transmit a signal through the first communication module 110, the processing module 170 controls the switching module 130 to close the electrical connection between the first communication module 110 and the antenna 140, and controls the switching module 130 to disconnect the electrical connection between the second communication module 120 and the third communication module 150 and the antenna 140; when the NB-IoT wireless communication module needs to use the second communication module 120 to receive or transmit signals, the processing module 170 controls the switching module 130 to close the electrical connection between the second communication module 120 and the antenna 140, and controls the switching module 130 to disconnect the electrical connection between the first communication module 110 and the third communication module 150 and the antenna 140; when the NB-IoT wireless communication module needs to use the third communication module 150 to receive or transmit signals, the processing module 170 controls the switching module 130 to close the electrical connection between the third communication module 150 and the antenna 140, and controls the switching module 130 to disconnect the electrical connection between the first communication module 110 and the second communication module 120 and the antenna 140.
Preferably, the NB-IoT wireless communication module further includes: the debugging interface 171, the debugging interface 171 is electrically connected with the processing module 170; the processing module 170 is an OpenCPU (OpenCPU: open computer system). Therefore, a user can transplant the application developed on the MCU (MCU) to the OpenCPU through the debugging interface 171, and the size and power consumption of the NB-IoT wireless communication module are reduced on the basis of saving the cost of the MCU.
Further, the NB-IoT wireless communication module further includes: and the security processing unit 180, the security processing unit 180 is electrically connected with the processing module 170 and is used for controlling the NB-IoT wireless communication module to be safely started or FoTA upgraded. Therefore, The safety starting of The NB-IoT wireless communication module or The upgrading of The FoTA (Firmware Over-The-Air software of The mobile terminal) can be ensured.
Further, the NB-IoT wireless communication module further includes: and the embedded SIM card 191, wherein the embedded SIM card 191 is electrically connected with the processing module 170. Therefore, the NB-IoT wireless communication Module can be designed without a SIM (Subscriber Identity Module) card slot, and the design cost and the volume of the NB-IoT wireless communication Module are further reduced.
It should be noted that, in other alternative embodiments, the NB-IoT wireless communication module may also be provided with a SIM card slot for installing a SIM, and the SIM card slot is electrically connected to the processing module.
Preferably, the NB-IoT wireless communication module further includes: the sensor 192 and the sensor 192 are electrically connected with the processing module 170, and the sensor 192 is a plug-in geomagnetic sensing wire, a temperature and humidity sensor or a photosensitive sensor. In the present embodiment, the sensor 192 is a plug-in geomagnetic sensing line; in one embodiment, the sensor is a temperature and humidity sensor; in another embodiment, the sensor is a light sensitive sensor; in a further embodiment, the number of the sensors is multiple, and the multiple sensors include at least two of a terrestrial magnetism sensing line, a temperature and humidity sensor and a photosensitive sensor.
A terminal device provided in the second embodiment of the present application includes: an NB-IoT wireless communication module; the NB-IoT wireless communication module comprises: the antenna comprises a first communication module, a second communication module, a switching module and an antenna, wherein the first communication module is an NB-IoT module, the second communication module is a BLE module or a GNSS module, the first communication module is electrically connected to the antenna through the switching module, the second communication module is electrically connected to the antenna through the switching module, the switching module is used for disconnecting or closing the electrical connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electrical connection between the second communication module and the antenna; when the switching module closes the electric connection between the first communication module and the antenna, the switching module disconnects the electric connection between the second communication module and the antenna; when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna.
In fact, the NB-IoT wireless communication module included in the terminal device according to the second embodiment of the present disclosure is the same as the NB-IoT wireless communication module provided in the first embodiment of the present disclosure, and therefore, the NB-IoT wireless communication module included in the terminal device according to the second embodiment of the present disclosure also has the same effect as the NB-IoT wireless communication module provided in the first embodiment of the present disclosure, and details thereof are not repeated herein.
Specifically, the terminal device is a wearable device or a tracking device, and in this embodiment, the terminal device is a watch; in one embodiment, the terminal device is a positioning device.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present application, and that various changes in form and details may be made therein without departing from the spirit and scope of the present application in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the application, and it is intended that the scope of the application be limited only by the claims appended hereto.
Claims (10)
1. An NB-IoT wireless communication module, comprising:
the antenna comprises a first communication module, a second communication module, a switching module and an antenna, wherein the first communication module is an NB-IoT module, the second communication module is a BLE module or a GNSS module, the first communication module is electrically connected to the antenna through the switching module, the second communication module is electrically connected to the antenna through the switching module, the switching module is used for disconnecting or closing the electrical connection between the first communication module and the antenna, and the switching module is used for disconnecting or closing the electrical connection between the second communication module and the antenna;
when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the antenna;
when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna.
2. The NB-IoT wireless communication module as recited in claim 1, further comprising: a third communication module, wherein one of the second communication module and the third communication module is a BLE module, and the other is a GNSS module, the third communication module is electrically connected to the antenna through the switching module, and the switching module is configured to open or close an electrical connection between the third communication module and the antenna;
when the switching module closes the electrical connection between the first communication module and the antenna, the switching module disconnects the electrical connection between the second communication module and the third communication module and the antenna;
when the switching module closes the electrical connection between the second communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the third communication module and the antenna;
when the switching module closes the electrical connection between the third communication module and the antenna, the switching module disconnects the electrical connection between the first communication module and the antenna and the electrical connection between the second communication module and the antenna.
3. The NB-IoT wireless communication module as claimed in claim 2, wherein the first communication module comprises a first NB-IoT module supporting a B3 band, a second NB-IoT module supporting a B5 band, and a third NB-IoT module supporting a B8 band.
4. The NB-IoT wireless communication module as recited in claim 1, further comprising: the power supply module is electrically connected with the first communication module through the direct current conversion DCDC, the power supply module is electrically connected with the second communication module through the direct current conversion DCDC, and the power supply module is electrically connected with the switching module through the direct current conversion DCDC.
5. The NB-IoT wireless communication module according to any one of claims 1-4, further comprising: the processing module is electrically connected with the first communication module, the second communication module and the switching module, the processing module is used for controlling the switching module to disconnect or close the electrical connection between the first communication module and the antenna, and the processing module is used for controlling the switching module to disconnect or close the electrical connection between the second communication module and the antenna.
6. The NB-IoT wireless communication module of claim 5, further comprising: the debugging interface is electrically connected with the processing module; the processing module is an OpenCPU.
7. The NB-IoT wireless communication module of claim 5, further comprising: and the safety processing unit is electrically connected with the processing module and is used for controlling the NB-IoT wireless communication module to be safely started or FoTA upgraded.
8. The NB-IoT wireless communication module of claim 5, further comprising: and the embedded SIM card is electrically connected with the processing module.
9. The NB-IoT wireless communication module of claim 5, further comprising: the sensor is electrically connected with the processing module and is a spliced geomagnetic sensing line, a temperature and humidity sensor or a photosensitive sensor.
10. A mobile terminal, comprising: the NB-IoT wireless communication module as recited in any of claims 1-9 above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121633244.5U CN216017173U (en) | 2021-07-16 | 2021-07-16 | NB-IoT wireless communication module and mobile terminal |
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| CN202121633244.5U CN216017173U (en) | 2021-07-16 | 2021-07-16 | NB-IoT wireless communication module and mobile terminal |
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| CN216017173U true CN216017173U (en) | 2022-03-11 |
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