CN210380848U - Satellite communication module test mold - Google Patents
Satellite communication module test mold Download PDFInfo
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- CN210380848U CN210380848U CN201921896615.1U CN201921896615U CN210380848U CN 210380848 U CN210380848 U CN 210380848U CN 201921896615 U CN201921896615 U CN 201921896615U CN 210380848 U CN210380848 U CN 210380848U
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Abstract
The utility model relates to a satellite communication module test mould belongs to test corollary equipment technical field. The testing device comprises a double-sided PCB (printed circuit board) and a testing component, wherein a satellite communication module testing station is arranged on the A side of the double-sided PCB, an earphone interface and a loudspeaker module are arranged above the satellite communication module testing station, and a central processor module is arranged above the left side of the satellite communication module testing station; be provided with PCM voice module on the two-sided PCB printed board B face, satellite communication module test station respectively with central processing unit module, PCM voice module electricity is connected, PCM voice module is connected with earphone interface and loudspeaker module electricity, this test mould is fit for the test of satellite communication module, convenient maintenance, test station is rationally distributed, the dress connects, convenient operation is swift, collect module function test, hardware maintenance in an organic whole, moreover, the steam generator is simple in structure, effectively reduce the test cost, guarantee efficiency of software testing's satellite communication module test mould.
Description
Technical Field
The utility model relates to a satellite communication module test mould belongs to test corollary equipment technical field.
Background
With the higher and higher requirements of the society on communication, the product forms surrounding communication are more and more, and the wide communication range and the stable communication are the foundation of communication service all the time; before the communication product is put on the market, performance detection must be carried out on the communication product to screen and remove unqualified products and provide high-quality finished products meeting national standards or military standards for users, so the performance detection of electronic products is very important.
At present, a satellite communication module testing mold is troublesome in assembly and connection, complex in testing connection, prone to performance misjudgment, inconvenient for module maintenance, poor in reliability and troublesome in operation. Therefore, it is very necessary to develop a satellite communication module testing mold which is suitable for testing and convenient maintenance of a satellite communication module, has reasonable layout of testing stations, convenient and fast assembly and connection and operation, integrates module function testing and hardware maintenance, has simple structure, effectively reduces testing cost and ensures testing efficiency.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects of the prior art, the utility model provides a satellite communication module test mould which is suitable for testing and convenient maintaining of a satellite communication module, has reasonable test station layout, convenient and fast assembly and connection and operation, integrates module function test and hardware maintenance, has simple structure, effectively reduces the test cost and ensures the test efficiency.
The utility model discloses a realize above-mentioned purpose through following technical scheme:
the utility model provides a satellite communication module test mould, it comprises two-sided PCB printing board, control assembly, power supply module, test component, voice module subassembly, serial ports subassembly, net gape subassembly and earphone interface module, its characterized in that: the control assembly comprises a central processing unit module, a CPU reserved pin test port, a CPU reserved serial port and a system reset key; the power supply assembly comprises a power supply module, a power supply binding post, a power supply chip reset key and a power supply chip power supply key, and the test assembly comprises a satellite communication module test station and a satellite communication module download mode key; the voice module component comprises a PCM voice module, three earphone interfaces and a loudspeaker module; the serial port component comprises a CPU debugging serial port, a satellite communication module debugging serial port/two reserved serial ports; the network port component comprises a CPU software downloading USB port and three network ports;
a satellite communication module testing station is arranged on the surface A of the double-sided PCB, three earphone interfaces, a horn module and a satellite communication module download mode button are arranged above the satellite communication module testing station, and a central processing unit module, a CPU reserved pin testing port, a CPU reserved serial port and a system reset button are arranged above the left side of the satellite communication module testing station; the left lower part of the satellite communication module test station is provided with a CPU software downloading USB port and three network ports, the right side of the satellite communication module test station is provided with a CPU debugging serial port, a satellite communication module debugging serial port/two reserved serial ports, and a power module, a power binding post, a power chip reset key and a power chip power key are arranged below the satellite communication module test station;
a PCM voice module, a USB network interface and a satellite communication module software downloading USB port are arranged on the surface B of the double-sided PCB printed board, and the PCM voice module is electrically connected with the three earphone interfaces and the loudspeaker module through a 3501 printed line; the USB network switching interface is electrically connected with the three network ports; the satellite communication module software downloading USB port is electrically connected with the satellite communication module test station;
the satellite communication module test station is respectively and electrically connected with a satellite communication module download mode button, a central processing unit module, a power supply module, a PCM voice module and a satellite communication module software download USB port through a 3501 printed line; the power supply module is electrically connected with the central processing unit module, the power supply chip reset key and the power supply chip power supply key through 3501 printed lines respectively; the central processing unit module is electrically connected with the CPU reserved pin test port, the CPU reserved serial port, the system reset key, the CPU software downloading USB port and the USB network switching interface through a 3501 printed line respectively.
The satellite communication module test station comprises a PCIE base, the PCIE base is welded on the A surface of the double-sided PCB, the PCIE base is electrically connected with the power module through 3501 printed lines respectively, and the PCIE base is matched, inserted and electrically connected with the satellite communication module.
And screw fixing holes are symmetrically formed in the double-sided PCB printed board on one side of the satellite communication module testing station.
The power module is connected with a direct current power supply through a power supply wiring terminal leading-out power line and supplies power to the double-sided PCB through the direct current power supply.
The CPU module is composed of a CPU, a FLASH, a DRAM, an EMMC, a 24MHz crystal oscillator and a 32.768KHz crystal oscillator, and the CPU is respectively and electrically connected with the FLASH, the DRAM, the EMMC, the 24MHz crystal oscillator and the 32.768KHz crystal oscillator through a 3051 printed line.
The PCM voice module is composed of a PCM chip, a level conversion chip and an audio power amplifier, wherein the PCM chip is respectively and electrically connected with the level conversion chip, the audio power amplifier and three earphone interfaces through 3051 printed lines, and the audio power amplifier is electrically connected with the loudspeaker module through the 3051 printed lines.
The power module comprises a DC/DC power supply chip, a CPU power supply chip, a PCIE base power supply chip and a PCM reverse reference voltage power supply chip, wherein the DC/DC power supply chip provides 1.8V and 3.3V voltages, the PCIE base power supply chip provides 3.8V voltages for a satellite communication module test station, the CPU power supply chip provides power for the central processor module, and the PCM reverse reference voltage power supply chip provides 5V voltages for the DC/DC power supply chip and provides reverse reference voltages for voice signals.
Compared with the prior art, the utility model beneficial effect lie in:
this satellite communication module test mould, through satellite communication module test station and the central processing unit module that sets up on two-sided PCB printed board, PCM voice module, earphone interface and loudspeaker module, the communication operational environment of satellite communication module is reappeared successfully, collect procedure download and update, module circuit function detects, hardware maintenance in an organic whole, test station is rationally distributed, dress connects and convenient operation is swift, moreover, the steam generator is simple in structure, high reliability, convenient operation is swift, effectively reduce test cost, guarantee efficiency of software testing, this satellite communication module test mould presents satellite communication module's actual operating condition, do benefit to satellite communication module's maintenance and capability test, satellite communication module detects and maintenance speed has been promoted greatly. The problems that in the prior art, a test connection line is complex, performance misjudgment is easy to occur, a module is inconvenient to maintain, reliability is poor, operation is troublesome, and test efficiency is difficult to guarantee are solved.
Drawings
FIG. 1 is a schematic view of a side A structure of a test mold for a satellite communication module;
FIG. 2 is a schematic view of a side B structure of a satellite communication module testing mold;
FIG. 3 is a block diagram of the operation of the CPU module of the test module sending voice signals to the PCM voice module;
fig. 4 is a block diagram illustrating the operation of the PCM audio module of the test module transmitting an audio signal to the cpu module.
In the figure: 1. double-sided PCB printed board, 2, a central processing unit module, 3, a CPU reserved pin test port, 4, a CPU reserved serial port, 5, a system reset key, 6, a power supply module, 7, a power supply chip reset key, 8, a power supply chip power supply key, 9, a power supply binding post, 10, a satellite communication module download mode key, 11, a PCM voice module, 12, an earphone interface, 13, a loudspeaker module, 14, a CPU debug serial port, 15, a satellite communication module debug serial port/two reserved serial ports, 16, a CPU software download USB port, 17, a network port, 18, a satellite communication module software download USB port, 19, a screw fixing hole, 20, a USB network switching interface.
Detailed Description
Embodiments of the satellite communication module testing mold are described in further detail below with reference to the accompanying drawings (see fig. 1-3):
the satellite communication module testing mold is composed of a double-sided PCB (printed Circuit Board) 1, a control assembly, a power supply assembly, a testing assembly, a voice module assembly, a serial port assembly, a network port 17 assembly and an earphone interface 12 assembly, wherein the control assembly comprises a central processing unit module 2, a CPU reserved pin testing port 3, a CPU reserved serial port 4 and a system reset key 5; the power supply assembly comprises a power supply module 6, a power supply chip reset key 7, a power supply chip power supply key 8 and a power supply binding post 9; the test component comprises a satellite communication module test station and a satellite communication module download mode key 10; the voice module component comprises a PCM voice module 11, three earphone interfaces 12 and a loudspeaker module 13; the serial port component comprises a CPU debugging serial port 14, a satellite communication module debugging serial port/two reserved serial ports 15; the network port 17 component comprises a CPU software downloading USB port 16 and three network ports 17;
a satellite communication module testing station is arranged on the surface A of the double-sided PCB 1, three earphone interfaces 12, a horn module 13 and a satellite communication module downloading mode key 10 are arranged above the satellite communication module testing station, and a central processing unit module 2, a CPU reserved pin testing port 3, a CPU reserved serial port 4 and a system reset key 5 are arranged above the left side of the satellite communication module testing station; a CPU software downloading USB port 16 and three network ports 17 are arranged at the lower left of the satellite communication module test station, a CPU debugging serial port 14 and a satellite communication module debugging serial port/two reserved serial ports 15 are arranged at the right of the satellite communication module test station, and a power module 6, a power binding post 9, a power chip reset key 7 and a power chip power key 8 are arranged below the satellite communication module test station;
the surface B of the double-sided PCB printed board 1 is provided with a PCM voice module 11, a USB network interface 20 and a satellite communication module software downloading USB port 18, the PCM voice module 11 is correspondingly and electrically connected with the three earphone interfaces 12 and the loudspeaker module 13, and the PCM voice module 11 is electrically connected with the three earphone interfaces 12 and the loudspeaker module 13 through a 3501 printed line; the USB network interface 20 is electrically connected with the three network ports 17; the satellite communication module software downloading USB port 18 is electrically connected with a satellite communication module test station;
the satellite communication module test station is respectively and electrically connected with a satellite communication module download mode key 10, a central processor module 2, a power supply module 6, a PCM voice module 11 and a satellite communication module software download USB port 18 through 3501 printed lines; the power supply module 6 is electrically connected with the central processor module 2, the power supply chip reset key 7 and the power supply chip power supply key 8 through printed lines 3501 respectively; the central processing unit module 2 is electrically connected with the CPU reserved pin test port 3, the CPU reserved serial port 4, the system reset key 5, the CPU software download USB port 16 and the USB network interface 20 through 3501 printed lines respectively.
The satellite communication module test station comprises a PCIE base, the model of the PCIE base is 1775838-2, the PCIE base is welded on the surface of a double-sided PCB (printed Circuit Board) 1A, the PCIE base is electrically connected with a power supply module 6 through a 3501 printed line respectively, and the PCIE base is matched, inserted and electrically connected with the satellite communication module.
And screw fixing holes 19 are symmetrically formed in the double-sided PCB printed board 1 on one side of the satellite communication module testing station.
The power module 6 is connected with a direct current power supply through a power terminal 9 leading out a power line, and supplies power to the double-sided PCB 1 through the direct current power supply.
The central processor module 2 is composed of a CPU, a FLASH, a DRAM, an EMMC, a 24MHz crystal oscillator and a 32.768KHz crystal oscillator, and the CPU is respectively and electrically connected with the FLASH, the DRAM, the EMMC, the 24MHz crystal oscillator and the 32.768KHz crystal oscillator through a 3051 printed line.
The PCM voice module 11 is composed of a PCM chip, a level conversion chip and an audio power amplifier, wherein the PCM chip is respectively and electrically connected with the level conversion chip, the audio power amplifier and the three earphone interfaces 12 through a 3051 printed line, and the audio power amplifier is electrically connected with the loudspeaker module 13 through the 3051 printed line.
The power module 6 comprises a DC/DC power chip (model is TPS70451 PWP), a CPU power supply chip (model is AXP 233), a PCIE base power supply chip (model is LMZ 12003), a PCM reverse reference voltage power chip (model is MAX 764), the DC/DC power chip provides 1.8V and 3.3V voltage, the PCIE base power supply chip provides 3.8V voltage for a satellite communication module test station, the CPU power supply chip provides power for the central processor module 2, the PCM reverse reference voltage power chip provides 5V voltage for the DC/DC power chip, and the reverse reference voltage for voice signals. (see FIGS. 1-3).
The model of the power chip reset key 7 is PTS525, and after the power chip reset key 7 is pressed down, the level can be pulled down, so that the system and the power supply are in a reset state, and the reset function is completed.
The model of the power supply chip power key 8 is PTS525, and after the power supply chip power key 8 is pressed, the power supply chip power key 8 judges whether to start or close the power supply function according to the time for pressing the key.
The CPU software downloading USB port 16 is in a USB-A90 degree model, the CPU software downloading USB port 16 is connected with a PC through a double male USB line, and the PC programs the CPU through the double male USB line.
The CPU debugging serial port 14 is composed of a TTL to RS232 level chip and a DB-9/F interface, CPU serial port signals are converted into RS232 levels from TTL levels through the TTL to RS232 level chip, and then the DB-9/F interface is connected with a PC through a serial port line to realize PC control.
The USB network-switching interface 20 is composed of a USB expansion chip (model: SL 2.2), a USB network-switching interface chip (model: SR 9900), a network transformer chip (model: HX0068 ANL), a crystal oscillator TCO-7106X1a4-12MHz, and a network interface (model: RJ-45) 17, the USB expansion chip expands the USB1 signal of the central processor module 2 into three USB signals, and the network transformer chip converts the three USB signals into analog signals to be provided to the network interface 17.
The model of the satellite communication module software downloading USB port 18 is USB-A90 degrees, and the satellite communication module software downloading USB port is connected to a PC through a double male USB cable to perform a software downloading function.
The debugging serial port/the two reserved serial ports of the satellite communication module respectively consist of a switch chip, a 1.8V-to-TTL level chip (the model is SN74AVC16T245 DGG), a TTL-to-RS 232 chip (the model is SN65C3232 EDR) and a DB-9/F interface, the model of the switch chip is MAX4947, serial port signals of the satellite communication module are selectively opened through the switch chip, the function of switching and controlling the satellite communication module between a PC and the central processor module 2 is realized, and the TTL level signals are converted into TTL level signals through the 1.8V-to-TTL level chip and can be communicated with the central processor module 2.
The length of the double-sided PCB printed board 1 is 20.8cm, the width of the double-sided PCB printed board is 20.5cm, 4 screws are arranged on the periphery of the double-sided PCB printed board for supporting, and a green solder resist is coated on the double-sided PCB printed board 1.
The specific working process of the satellite communication testing mold is as follows:
referring to fig. 1, before testing, it is first checked whether the detected satellite communication module is obviously damaged, whether the antenna is completely connected, and whether the software version meets the requirements of the test function. After the detection is finished, the satellite communication module is inserted into the PCIE base, and then the satellite communication module is fixed on the double-sided PCB 1 through the matching of the two screws and the screw fixing holes 19.
The double-sided PCB printed board 1 electrifying process comprises the following steps:
firstly, safety inspection is carried out on the test die, and whether the welding of the device is complete or not and whether a short circuit condition exists or not is detected. After the inspection is finished, an external direct current power supply supplies 5V voltage to the power supply assembly through two power lines, the power supply assembly is normally started and then is observed whether the power supply current is normal or not, the universal meter is used for measuring whether the power supply voltage of the DC/DC power supply chip, the CPU power supply chip, the PCIE base power supply chip and the PCM reverse reference voltage power supply chip is correct or not, and a corresponding indicator lamp is normally lightened or not.
The central processing unit module 2 downloads a system program flow:
firstly, a CPU software downloading USB port 16 is connected with a PC through a double male USB line, downloading program software of the PC is opened, a program of a corresponding version is selected, then the test mould is electrified, after the electrification is successful, a power supply chip power supply key 8 is pressed, the power supply chip power supply key 8 is loosened when the power supply closing current is almost 0, then the key is pressed again to restart the power supply assembly, the power supply is restarted when the power supply is restarted, the current rise can be observed, at the moment, the key is loosened when the PC downloading program software detects equipment and starts to download, the downloading time is about 50 seconds after the downloading is finished.
Downloading a program flow by the satellite communication module:
firstly, a USB download port 20 of a satellite communication module is connected with a PC through a double male USB cable, download program software of the PC is opened, then the test mould is electrified, after the electrification is successful, a download mode key 10 of the satellite communication module is pressed, after the PC detects the module, a program with a corresponding configuration and a corresponding version is selected in the download program software, a program burning function is selected to start downloading the program, after about 30 seconds, the program burning is finished, a dialog box is popped up on a PC interface, and the program burning can be finished by clicking confirmation.
The central processing unit module 2 and the PCM voice module 11 component perform voice communication flow:
firstly, testing that the central processor module 2 sends voice to the PCM chip: inserting an earphone wire into a 3.5mm earphone interface 12 of the central processing unit module 2, then powering on the testing mold, pressing a microphone control key on the earphone wire to start speaking, and then hearing the content of speaking at a loudspeaker to test successfully (refer to the attached figure 3); then, the test that the PCM chip sends the voice to the central processor module 2 is carried out: the earphone cord is inserted into the 3.5mm earphone interface 12 of the PCM chip, then the test mold is powered on, the microphone control button on the earphone cord is pressed to start speaking, and then the speaking content is heard at the loudspeaker, namely the test is successful (refer to fig. 4).
The central processor module 2 configures the basic state flow of the satellite communication module:
firstly, a test mould is electrified, a program of a satellite communication module state set in the program is started to be executed after the kernel of the central processor module 2 is successfully started, the central processor module 2 sends an AT instruction to the satellite communication module through the satellite communication module debugging serial port 15, the satellite communication module carries out state change after receiving the AT instruction and returns a value through the satellite communication module debugging serial port, the central processor module 2 judges the return value to determine the state of the satellite communication module, and the satellite communication module can be used for communication after configuration is finished.
The satellite communication module carries out a satellite communication process:
the test at least needs two test molds, firstly, the two test molds are electrified, the two test molds are waited for connecting the two satellite communication modules to the internet, the PC controls the first satellite communication module to make a call to the second satellite communication module through the CPU debugging serial port 14, the PC controls the second satellite communication module to answer the call through the CPU debugging serial port 14 after the second satellite communication module receives the call, the two satellite communication modules are successfully connected, then the microphone control key on the earphone wire of the first test mold is pressed to start speaking, and after a period of time, the second test mold loudspeaker emits the content of the spoken call, namely, the test is successful.
The satellite communication module testing mold completes the program downloading, interface detection, service function and other tests of the central processing unit module and the satellite communication module and can verify that the functions are normal, namely the satellite communication module testing mold completes the detection of the modules. The satellite communication module testing mold is powerful in function, strong in practicability, simple in structure, convenient to use and fast. Practical tests show that the working performance is stable and reliable, the testing efficiency is improved, and the cost is effectively reduced.
Main structural Material composition Table 1
The above description is only a preferred embodiment of the present invention, and the above illustration does not limit the essence of the present invention in any form, and any simple modification or variation of the above embodiments based on the technical essence of the present invention and equivalent embodiments which may be changed or modified to equivalent variations by using the technical essence of the present invention by those of ordinary skill in the art after reading the present description still belong to the technical solution of the present invention without departing from the essence and scope of the present invention.
Claims (7)
1. The utility model provides a satellite communication module test mould, it comprises two-sided PCB printing board (1), control assembly, power supply module, test component, voice module subassembly, serial ports subassembly, net gape (17) subassembly and earphone interface (12) subassembly, its characterized in that: the control assembly comprises a central processing unit module (2), a CPU reserved pin test port (3), a CPU reserved serial port (4) and a system reset key (5); the power supply assembly comprises a power supply module (6), a power supply binding post (9), a power supply chip reset key (7) and a power supply chip power supply key (8), and the testing assembly comprises a satellite communication module testing station and a satellite communication module download mode key (10); the voice module assembly comprises a PCM voice module (11), three earphone interfaces (12) and a loudspeaker module (13); the serial port component comprises a CPU debugging serial port (14), a satellite communication module debugging serial port/two reserved serial ports (15); the network port (17) component comprises a CPU software downloading USB port (16) and three network ports (17);
a satellite communication module testing station is arranged on the surface A of the double-sided PCB (1), three earphone interfaces (12), a loudspeaker module (13) and a satellite communication module download mode button (10) are arranged above the satellite communication module testing station, and a central processing unit module (2), a CPU reserved pin testing port (3), a CPU reserved serial port (4) and a system reset button (5) are arranged above the left side of the satellite communication module testing station; a CPU software downloading USB port (16) and three network ports (17) are arranged at the lower left of a satellite communication module test station, a CPU debugging serial port (14), a satellite communication module debugging serial port/two reserved serial ports (15) are arranged at the right of the satellite communication module test station, and a power module (6), a power binding post (9), a power chip reset key (7) and a power chip power key (8) are arranged below the satellite communication module test station;
a PCM voice module (11), a USB network interface (20) and a satellite communication module software downloading USB port (18) are arranged on the surface B of the double-sided PCB (1), the PCM voice module (11) is correspondingly and electrically connected with the three earphone interfaces (12) and the loudspeaker module (13), and the PCM voice module (11) is electrically connected with the three earphone interfaces (12) and the loudspeaker module (13) through a 3501 printed line; the USB network switching interface (20) is electrically connected with the three network ports (17); the satellite communication module software downloading USB port (18) is electrically connected with a satellite communication module test station;
the satellite communication module test station is respectively and electrically connected with a satellite communication module download mode key (10), a central processor module (2), a power supply module (6), a PCM voice module (11) and a satellite communication module software download USB port (18) through 3501 printed lines; the power supply module (6) is electrically connected with the central processor module (2), the power supply chip reset key (7) and the power supply chip power supply key (8) through 3501 printed lines respectively; the central processing unit module (2) is respectively connected with the CPU reserved pin test port (3), the CPU reserved serial port (4), the system reset key (5), the CPU software downloading USB port (16) and the USB network switching interface (20) through 3501 printed lines.
2. The satellite communication module testing mold according to claim 1, wherein: the satellite communication module test station comprises a PCIE base, the PCIE base is welded on the A surface of the double-sided PCB (1), the PCIE base is electrically connected with the power module (6) through a 3501 printed line respectively, and the PCIE base is matched, inserted and electrically connected with the satellite communication module.
3. The satellite communication module testing mold according to claim 1, wherein: and screw fixing holes (19) are symmetrically formed in the double-sided PCB (1) on one side of the satellite communication module testing station.
4. The satellite communication module testing mold according to claim 1, wherein: the power module (6) is connected with a direct current power supply by leading out a power line through a power wiring terminal (9), and supplies power to the double-sided PCB (1) through the direct current power supply.
5. The satellite communication module testing mold according to claim 1, wherein: the central processing unit module (2) is composed of a CPU, a FLASH, a DRAM, an EMMC, a 24MHz crystal oscillator and a 32.768KHz crystal oscillator, and the CPU is respectively and electrically connected with the FLASH, the DRAM, the EMMC, the 24MHz crystal oscillator and the 32.768KHz crystal oscillator through 3051 printed lines.
6. The satellite communication module testing mold according to claim 1, wherein: the PCM voice module (11) is composed of a PCM chip, a level conversion chip and an audio power amplifier, the PCM chip is respectively and electrically connected with the level conversion chip, the audio power amplifier and the three earphone interfaces (12) through 3051 printed lines, and the audio power amplifier is electrically connected with the loudspeaker module (13) through the 3051 printed lines.
7. The satellite communication module testing mold according to claim 1, wherein: the power module (6) comprises a DC/DC power supply chip, a CPU power supply chip, a PCIE base power supply chip and a PCM reverse reference voltage power supply chip, wherein the DC/DC power supply chip provides 1.8V and 3.3V voltages, the PCIE base power supply chip provides 3.8V voltage for a satellite communication module test station, the CPU power supply chip supplies power for the central processor module (2), and the PCM reverse reference voltage power supply chip provides 5V voltage for the DC/DC power supply chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896615.1U CN210380848U (en) | 2019-11-06 | 2019-11-06 | Satellite communication module test mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896615.1U CN210380848U (en) | 2019-11-06 | 2019-11-06 | Satellite communication module test mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210380848U true CN210380848U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921896615.1U Expired - Fee Related CN210380848U (en) | 2019-11-06 | 2019-11-06 | Satellite communication module test mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210380848U (en) |
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2019
- 2019-11-06 CN CN201921896615.1U patent/CN210380848U/en not_active Expired - Fee Related
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Granted publication date: 20200421 Termination date: 20211106 |