CN103731219A - Bluetooth finished product performance testing method and system - Google Patents
Bluetooth finished product performance testing method and system Download PDFInfo
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- CN103731219A CN103731219A CN201310752509.7A CN201310752509A CN103731219A CN 103731219 A CN103731219 A CN 103731219A CN 201310752509 A CN201310752509 A CN 201310752509A CN 103731219 A CN103731219 A CN 103731219A
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Abstract
The invention discloses a Bluetooth finished product performance testing method and system. The method comprises the steps that a Bluetooth finished product to be tested and a Bluetooth adapter are respectively connected with a control unit, the Bluetooth finished product to be tested and the Bluetooth adapter are controlled by the control unit to be connected with each other, after the Bluetooth finished product to be tested is connected with the Bluetooth adapter, the control unit controls the Bluetooth finished product to be tested to send data packages to the Bluetooth adapter, the Bluetooth adaptor receives the data packages and tests the strength of corresponding signals according to the received data packages, and the control unit determines the performance of the Bluetooth finished product to be tested according to the strength of the signal of the Bluetooth adapter. The technical scheme of the Bluetooth finished product performance testing method and system can overcome the defects that testing instruments are expensive, the testing process is tedious, and the testing process wastes time and labor in an existing Bluetooth finished product testing mode.
Description
Technical field
The present invention relates to technical field of electronic products, particularly relate to a kind of bluetooth end properties method of testing and system.
Background technology
Bluetooth technology is widely used at present in consumer electronics product.And along with the emerging of low-power consumption Bluetooth technology, Bluetooth technology will be applied in field widely.For the intensity of signal transmission is carried out to effective monitoring, SIG has introduced the concept of RSSI (Received Signal Strength Indication), and each Bluetooth chip provides commercial city that the API. that can obtain link RSSI is provided in the standard of following SIG at present
For the production test of blue tooth products, the test of specialty generally concentrates on greenware condition to be carried out at present, and now product, in PCBA state, has proprietary RF test point to be connected with professional bluetooth testing equipment.
Yet, for bluetooth finished product, because bluetooth component is assembled in structural member, most producers can only be connected and be tested by bluetooth, whether this method of testing can only test bluetooth and can normally connect, and can not test the intensity of the power of the performance of the antenna of bluetooth, antenna and antenna transmission signal.And then cannot confirm whether bluetooth performance is impacted in the assembling process of bluetooth cost.And during connecting test, bluetooth finished product can be placed into the place near testing apparatus conventionally, therefore, such connecting test can not get the signal of bluetooth finished product and the relation between distance.
In addition, the frequency spectrum by spectrum analyzer, Bluetooth antenna being sent is in addition analyzed, although this mode can be tested the performance of antenna, needs manual operation.Therefore exist measuring instrument expensive, test process is loaded down with trivial details, the problem wasting time and energy.
In sum, there is the shortcoming that measuring instrument is expensive, test process is loaded down with trivial details and test process is wasted time and energy in the mode of the existing test for bluetooth finished product.
Summary of the invention
The invention provides a kind of bluetooth end properties method of testing and system, there is the shortcoming that measuring instrument is expensive, test process is loaded down with trivial details and test process is wasted time and energy in the mode that technical scheme provided by the invention can solve the existing test for bluetooth finished product.
The invention discloses a kind of bluetooth end properties detection method, the method comprises:
One control unit is connected with a Bluetooth adapter with bluetooth finished product to be measured respectively;
Described control unit is controlled described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured and described Bluetooth adapter connect, controls described bluetooth finished product to be measured to described Bluetooth adapter transmission packet;
Described Bluetooth adapter receives described packet, and detects corresponding signal strength signal intensity according to the packet receiving;
According to signal strength signal intensity described in described Bluetooth adapter, confirm this bluetooth end properties to be measured.
In said method, the method further comprises:
Dispose the first shielded box, secondary shielding case and antenna;
Described Bluetooth adapter is arranged in the first shielded box, described bluetooth finished product to be measured and antenna are arranged in secondary shielding case; Between described Bluetooth adapter and described antenna, by RF radio frequency line, be connected.
In said method, between described Bluetooth adapter and described antenna, by RF radio frequency line, be connected further and comprise:
Between described Bluetooth adapter and described antenna, be provided with attenuator.
In said method, described Bluetooth adapter detects corresponding signal strength signal intensity according to the packet receiving and comprises:
According to the packet receiving, obtain corresponding RSSI value, according to the value of described RSSI, determine corresponding signal strength signal intensity.
The invention discloses a kind of bluetooth end properties detection system, this system is for detection of bluetooth end properties, and this system comprises: control unit, Bluetooth adapter;
Described control unit connects bluetooth finished product to be measured and Bluetooth adapter;
Described control unit, sets up bluetooth with Bluetooth adapter and is connected for controlling bluetooth finished product to be measured, and after bluetooth connects and is successfully established, controls described bluetooth finished product to be measured and connected to described Bluetooth adapter and sent packet by the bluetooth of setting up;
Described Bluetooth adapter, the packet sending for receiving bluetooth finished product to be measured, detects described bluetooth end properties to be measured according to described packet.
In said system, this system also comprises: antenna, the first shielded box and secondary shielding case;
Described Bluetooth adapter is arranged in the first shielded box, and described bluetooth finished product to be measured and antenna are arranged in secondary shielding case; Between described Bluetooth adapter and described antenna, by RF radio frequency line, be connected.
In said system, this system further comprises: attenuator;
Described attenuator is arranged between described Bluetooth adapter and described antenna.
In said system, described Bluetooth adapter, the packet sending for receiving bluetooth finished product to be measured, obtains corresponding RSSI value according to the packet of described reception, determines the signal strength signal intensity of described bluetooth finished product to be measured according to RSSI value described in this.
In said system, described antenna is fixed in described secondary shielding case,
For the bluetooth finished product of same type, described antenna is identical with the relative position between bluetooth finished product to be measured.
In sum, in sum, technical scheme provided by the invention, according to the regulation of bluetooth SIG, monitors the signal strength signal intensity of bluetooth finished product to be measured by control unit and Bluetooth adapter, and then realizes bluetooth end properties test to be measured.In addition, in the process that bluetooth finished product to be measured is tested, do not need extra complicated professional equipment, only need a control unit, and a Bluetooth adapter, and the process of test is simple, without complicated manual operation.
Accompanying drawing explanation
Fig. 1 is the flow chart of the bluetooth end properties detection method in an embodiment of the present invention;
Fig. 2 is the detail flowchart of the bluetooth end properties detection method in an embodiment of the present invention;
Fig. 3 is the structural representation of the bluetooth end properties detection system in an embodiment of the present invention;
Fig. 4 is the detailed structure schematic diagram of the bluetooth end properties test macro in an embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is the flow chart of the bluetooth end properties detection method in an embodiment of the present invention.As described in Figure 1, the method comprises the steps.
From the above, in the present invention, by using control unit to control bluetooth finished product to be measured, be connected with Bluetooth adapter, and after connecting, control bluetooth finished product to be measured and send packet to Bluetooth adapter, make Bluetooth adapter after receiving corresponding packet, the packet receiving is analyzed, calculate corresponding RSSI value, according to the value of the RSSI getting, realize bluetooth end properties to be measured is tested.
In a kind of specific embodiment of the present invention, bluetooth finished product is carried out to performance test and specifically comprise one or more in following test: power output test, power is controlled test, modulation spectrum test, original carrier tolerance limit (ICFT) test, carrier frequency drift test, sensitivity test.
In a kind of preferred embodiment of the present invention, for prevent extraneous wireless signal particularly the wireless signal of 2.4GHZ frequency range in the present invention, to bluetooth end properties to be measured, test impacts, in the present embodiment, dispose the first shielded box, secondary shielding case and antenna; Bluetooth adapter and bluetooth finished product to be measured are separately positioned in different shielded boxes.Be specially, Bluetooth adapter is arranged in the first shielded box, bluetooth finished product to be measured is arranged in secondary shielding case, antenna is arranged in secondary shielding case, between Bluetooth adapter and antenna, by RF radio frequency line, be connected.Because antenna and bluetooth finished product to be measured are placed in same shielded box, what the packet of bluetooth finished product transmission to be measured can can't harm as far as possible passes through antenna transmission to Bluetooth adapter.Wherein, by the first shielded box and the secondary shielding case realization 2.4Ghz wireless signal to external world arranging, shield, prevent the interference that extraneous wireless signal causes this bluetooth end properties test to be measured.Its advantage is, can make bluetooth end properties test result to be measured more accurate.
In another embodiment of the invention, more accurate in order to make the result of bluetooth end properties test, between Bluetooth adapter and antenna, by RF radio frequency line, be connected further and comprise: between described Bluetooth adapter and described antenna, be provided with attenuator.Be specially, Bluetooth adapter is connected with attenuator by RF radio frequency line, and attenuator is connected with antenna by RF radio frequency line again.Because size and the specific range of attenuator is equivalent.In the present invention, by being set, attenuator simulates bluetooth finished product to be measured and Bluetooth adapter environment for use in a distance.Make test the more realistic environment for use of result, and then make the resulting result of the test of bluetooth finished product to be measured more accurate.
In an embodiment of the present invention, control unit can be PC, also can be the testing equipment that is integrated with process chip and display, can also, mainly by the testing host of process chip and the test module that the external display of testing host forms are installed, on testing host, can provide the interface of communicating by letter respectively with Bluetooth adapter, bluetooth finished product to be measured and display.Process chip can be NVIDIA Tegra2 dual core processor, can be also GeForce GPU.
Connect Bluetooth adapter and be specially, Bluetooth adapter is connected with control unit by data wire.Wherein, data wire can be usb data line or RF rf data line.Same, connect bluetooth finished product to be measured and be specially, bluetooth finished product is connected with control unit by data wire.Wherein, data wire can be usb data line or RF rf data line.
Fig. 2 is the detail flowchart of the bluetooth end properties detection method in an embodiment of the present invention.Described in Fig. 2, the method comprises the steps.
In step 201, between Bluetooth adapter and control unit, by usb data line, be connected.In addition, in order to test more efficiently the bluetooth finished product to be measured of huge amount, preferably, the first shielded box is fixed on test fixture, Bluetooth adapter is fixed in the first shielded box and is fixed on test fixture.
In step 202, preferably, bluetooth finished product to be measured is fixed on to the ad-hoc location in the secondary shielding case on test fixture.Wherein, between bluetooth finished product to be measured and control unit, by usb data line, be connected.In secondary shielding case, be also fixed with antenna, this antenna is connected with Bluetooth adapter by RF radio frequency line.
In step 204, after bluetooth finished product to be measured enters findable connection mode, Bluetooth adapter just can be set up bluetooth with bluetooth finished product to be measured and be connected.
In step 205, for the bluetooth finished product of same batch or same model, control the packet that bluetooth finished product to be measured sends to Bluetooth adapter identical.
In step 206, Bluetooth adapter, after receiving the packet of bluetooth finished product transmission to be measured, is analyzed the packet receiving by the api interface being arranged on Bluetooth adapter, obtains corresponding RSSI value.
In step 207, according to the packet receiving, calculate corresponding RSSI value, according to the value of described RSSI, calculate corresponding signal strength signal intensity.And then according to the RSSI value getting, judging the power output of bluetooth finished product to be measured, power is controlled, modulation spectrum, original carrier tolerance limit (ICFT), carrier frequency drift, sensitivity etc.
From the above, in the present invention, according to the regulation of bluetooth SIG, by control unit and Bluetooth adapter, the signal strength signal intensity of bluetooth finished product to be measured is monitored.And then realize bluetooth end properties test to be measured.In addition, by being arranged on RF radio frequency line between Bluetooth adapter and described antenna, be provided with attenuator, realize the simulation of the practical service environment between bluetooth finished product to be measured and Bluetooth adapter.
In the process that bluetooth finished product to be measured is tested, do not need extra complicated professional equipment, only need a control unit and a Bluetooth adapter.And the process of test is simple, and the manual operation without complicated, has method of testing simple, maneuverable advantage.
Also disclose in the present invention a kind of bluetooth end properties detection system, this system is for detection of bluetooth end properties.Fig. 3 is the structural representation of the bluetooth end properties detection system in an embodiment of the present invention.Shown in Figure 3, this system comprises: control unit 301, Bluetooth adapter 302.
Control unit 301 connects bluetooth finished product 303 to be measured and is connected with Bluetooth adapter 302.In a kind of specific embodiment of the present invention, be specially, between control unit 301 and bluetooth finished product to be measured and Bluetooth adapter, by usb data line, be connected.
Control unit 301, being used for controlling bluetooth finished product 303 to be measured sets up bluetooth with Bluetooth adapter 302 and is connected, and after the connection of the bluetooth between bluetooth finished product 303 to be measured and Bluetooth adapter 302 is successfully established, controls bluetooth finished product 303 to be measured and connect to Bluetooth adapter 302 and send packets by the bluetooth of setting up.
Bluetooth adapter 302, for receiving the packet of bluetooth finished product 302 transmissions to be measured, detects the performance of bluetooth finished product 303 to be measured according to described packet.
In an embodiment of the present invention, the packet that adaptive 302 devices of bluetooth send by receiving bluetooth finished product 303 to be measured, calculates corresponding RSSI value according to the packet of described reception, determines the signal strength signal intensity of bluetooth finished product to be measured according to RSSI value described in this.
Preferably, in an embodiment of the present invention, more accurate in order to make the detection of bluetooth end properties to be measured, this system also comprises: antenna 304, the first shielded box 306 and secondary shielding case 305;
Bluetooth adapter 302 is arranged in the first shielded box 306, and bluetooth finished product 303 to be measured is arranged in secondary shielding case 305; Antenna 304 is arranged in secondary shielding case 305, between Bluetooth adapter 302 and antenna 304, by RF radio frequency line, is connected.
In an embodiment of the present invention, more accurate in order to make the detection of bluetooth end properties to be measured, Fig. 4 is the detailed structure schematic diagram of the bluetooth end properties test macro in an embodiment of the present invention.Shown in Figure 4, this system further comprises: attenuator 307; Attenuator 307 is arranged between Bluetooth adapter 302 and antenna 304.
Be specially, attenuator 307 is arranged on the RF radio frequency line that connects Bluetooth adapter 302 and antenna 304.Make the signal that antenna 304 receives first through attenuator 307, decay and by Bluetooth adapter 302, received afterwards.
In specific operation process of the present invention, this system is arranged on corresponding test fixture.Wherein the first shielded box 306 and secondary shielding case 305 are separately fixed on test fixture.Bluetooth adapter 302 is fixed in the first shielded box 306.In secondary shielding case 305, be provided with the platform for fixing bluetooth finished product to be measured, being fixed in secondary shielding case 305 of this outside antenna 304.In the process that bluetooth finished product to be measured is tested, for the bluetooth finished product of same type, for example same batch, the bluetooth finished product of same model.Antenna 304 is set identical with the relative position between bluetooth finished product to be measured.Be specially, the antenna 304 of setting towards and angle all identical.
In sum, technical scheme provided by the invention, according to the regulation of bluetooth SIG, monitors the signal strength signal intensity of bluetooth finished product to be measured by control unit and Bluetooth adapter.And then realize bluetooth end properties test to be measured.In addition, in the process that bluetooth finished product to be measured is tested, do not need extra complicated professional equipment, only need a control unit and a Bluetooth adapter.And the process of test is simple, without complicated manual operation, the test that can realize semi-automation, test operation completes by being arranged on control unit, has method of testing simple, maneuverable advantage.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (9)
1. a bluetooth end properties detection method, is characterized in that, the method comprises:
One control unit is connected with a Bluetooth adapter with bluetooth finished product to be measured respectively;
Described control unit is controlled described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured and described Bluetooth adapter connect, controls described bluetooth finished product to be measured to described Bluetooth adapter transmission packet;
Described Bluetooth adapter receives described packet, and detects corresponding signal strength signal intensity according to the packet receiving;
Described control unit is confirmed this bluetooth end properties to be measured according to signal strength signal intensity described in described Bluetooth adapter.
2. method according to claim 1, is characterized in that, the method further comprises:
Dispose the first shielded box, secondary shielding case and antenna;
Described Bluetooth adapter is arranged in the first shielded box, described bluetooth finished product to be measured and antenna are arranged in secondary shielding case;
Wherein, between described Bluetooth adapter and described antenna, by RF radio frequency line, be connected.
3. method according to claim 2, is characterized in that, between described Bluetooth adapter and described antenna, by RF radio frequency line, is connected further and is comprised:
Between described Bluetooth adapter and described antenna, be provided with attenuator.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described Bluetooth adapter detects corresponding signal strength signal intensity according to the packet receiving and comprises:
According to the packet receiving, obtain corresponding RSSI value, according to the value of described RSSI, determine corresponding signal strength signal intensity.
5. a bluetooth end properties detection system, is characterized in that, this system is for detection of bluetooth end properties, and this system comprises: control unit, Bluetooth adapter;
Described control unit connects respectively bluetooth finished product to be measured and Bluetooth adapter;
Described control unit, sets up bluetooth with Bluetooth adapter and is connected for controlling bluetooth finished product to be measured, and after bluetooth connects and is successfully established, controls described bluetooth finished product to be measured and connected to described Bluetooth adapter and sent packet by the bluetooth of setting up;
Described Bluetooth adapter, the packet sending for receiving bluetooth finished product to be measured, detects described bluetooth end properties to be measured according to described packet.
6. system according to claim 5, is characterized in that, this system also comprises: antenna, the first shielded box and secondary shielding case;
Described Bluetooth adapter is arranged in the first shielded box, and described bluetooth finished product to be measured and antenna are arranged in secondary shielding case; Between described Bluetooth adapter and described antenna, by RF radio frequency line, be connected.
7. system according to claim 6, is characterized in that, this system further comprises: attenuator;
Described attenuator is arranged between described Bluetooth adapter and described antenna.
8. system according to claim 5, is characterized in that,
Described Bluetooth adapter, the packet sending for receiving bluetooth finished product to be measured, obtains corresponding RSSI value according to the packet of described reception, determines the signal strength signal intensity of described bluetooth finished product to be measured according to RSSI value described in this.
9. according to system described in claim 6 or 7, it is characterized in that,
Described antenna is fixed in described secondary shielding case,
For the bluetooth finished product of same type, described antenna is identical with the relative position between bluetooth finished product to be measured.
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| CN104135328A (en) * | 2014-07-17 | 2014-11-05 | 青岛歌尔声学科技有限公司 | Communication interference detection system and method for wireless product |
| CN105636080A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Bluetooth test method and system |
| CN106533578A (en) * | 2016-11-16 | 2017-03-22 | 上海移为通信技术股份有限公司 | Adaptive Bluetooth test system and method |
| CN106841980A (en) * | 2017-01-10 | 2017-06-13 | 芯原微电子(上海)有限公司 | A kind of Bluetooth integrated circuit test system and method for testing |
| CN107478914A (en) * | 2017-08-04 | 2017-12-15 | 歌尔股份有限公司 | antenna detection device, system and method |
| CN107811636A (en) * | 2017-11-10 | 2018-03-20 | 芯海科技（深圳）股份有限公司 | A kind of BLE fat scales procedure method of testing |
| CN107959534A (en) * | 2017-11-10 | 2018-04-24 | 芯海科技（深圳）股份有限公司 | A kind of radio frequency performance test method of BLE chips |
| CN108738063A (en) * | 2018-06-28 | 2018-11-02 | 深圳芯之联科技有限公司 | A kind of bluetooth equipment Performance Test System |
| CN109428658A (en) * | 2017-08-29 | 2019-03-05 | 深圳市美好创亿医疗科技有限公司 | Bluetooth equipment Performance Test System and test method |
| CN109495188A (en) * | 2018-12-29 | 2019-03-19 | 北京品驰医疗设备有限公司 | Bluetooth test system |
| CN110913334A (en) * | 2019-11-30 | 2020-03-24 | 航天科技控股集团股份有限公司 | Method for detecting effective connection distance of vehicle-mounted Bluetooth product and method for detecting product percent of pass |
| CN110942616A (en) * | 2019-10-28 | 2020-03-31 | 深圳市亿联智能有限公司 | Bluetooth remote controller test method and system |
| CN111865449A (en) * | 2020-07-20 | 2020-10-30 | 深圳市思讯通信技术有限公司 | System and method for testing omnidirectional connection performance of Bluetooth audio equipment |
| CN113162702A (en) * | 2021-05-24 | 2021-07-23 | 展讯半导体(成都)有限公司 | Test system and test method for Bluetooth saw test under multiple scenes |
| CN114598401A (en) * | 2022-05-09 | 2022-06-07 | 荣耀终端有限公司 | Radio frequency test method, Bluetooth device, electronic device and radio frequency test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104135328A (en) * | 2014-07-17 | 2014-11-05 | 青岛歌尔声学科技有限公司 | Communication interference detection system and method for wireless product |
| CN105636080A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Bluetooth test method and system |
| CN106533578A (en) * | 2016-11-16 | 2017-03-22 | 上海移为通信技术股份有限公司 | Adaptive Bluetooth test system and method |
| CN106841980A (en) * | 2017-01-10 | 2017-06-13 | 芯原微电子(上海)有限公司 | A kind of Bluetooth integrated circuit test system and method for testing |
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| CN109428658A (en) * | 2017-08-29 | 2019-03-05 | 深圳市美好创亿医疗科技有限公司 | Bluetooth equipment Performance Test System and test method |
| CN107959534A (en) * | 2017-11-10 | 2018-04-24 | 芯海科技（深圳）股份有限公司 | A kind of radio frequency performance test method of BLE chips |
| CN107811636A (en) * | 2017-11-10 | 2018-03-20 | 芯海科技（深圳）股份有限公司 | A kind of BLE fat scales procedure method of testing |
| CN108738063A (en) * | 2018-06-28 | 2018-11-02 | 深圳芯之联科技有限公司 | A kind of bluetooth equipment Performance Test System |
| CN109495188A (en) * | 2018-12-29 | 2019-03-19 | 北京品驰医疗设备有限公司 | Bluetooth test system |
| CN110942616A (en) * | 2019-10-28 | 2020-03-31 | 深圳市亿联智能有限公司 | Bluetooth remote controller test method and system |
| CN110913334A (en) * | 2019-11-30 | 2020-03-24 | 航天科技控股集团股份有限公司 | Method for detecting effective connection distance of vehicle-mounted Bluetooth product and method for detecting product percent of pass |
| CN110913334B (en) * | 2019-11-30 | 2021-01-29 | 航天科技控股集团股份有限公司 | Method for detecting effective connection distance of vehicle-mounted Bluetooth product and method for detecting product percent of pass |
| CN111865449A (en) * | 2020-07-20 | 2020-10-30 | 深圳市思讯通信技术有限公司 | System and method for testing omnidirectional connection performance of Bluetooth audio equipment |
| CN111865449B (en) * | 2020-07-20 | 2023-03-31 | 深圳市思讯通信技术有限公司 | Omnidirectional connection performance test method for Bluetooth audio equipment |
| CN113162702A (en) * | 2021-05-24 | 2021-07-23 | 展讯半导体(成都)有限公司 | Test system and test method for Bluetooth saw test under multiple scenes |
| CN114598401A (en) * | 2022-05-09 | 2022-06-07 | 荣耀终端有限公司 | Radio frequency test method, Bluetooth device, electronic device and radio frequency test system |
| CN114598401B (en) * | 2022-05-09 | 2022-09-27 | 荣耀终端有限公司 | Radio frequency test method, Bluetooth device, electronic device and radio frequency test system |
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