2019.5 sigfox test

 Test equipment

1 test fixture  (provide by  PIE）

2 Spectrum Analyzer (e.g E4405B)

3.Vector Signal Generator (e.g E4438C)

4.3dB power splitter combiner

5.898/902/920MHz antenna

6.RF cable x 3

7.PC and Serial port line (3.3V)

8.Sigfox Module ：WISOL / WSSFM10R1AT 

RF Specifications ：

The instrument connection

 

Spectrum Analyzer Setting:

Sigfox serial port Settings

BaudRate Setting: 9600, 8N1, all AT command send to product has to be ended by ‘\r’ (CR)

 

TX test：

1 put the gold sample into the test fixture,measure Power and RSSI, and store it as calibration data 

2 sending  ‘’AT$DR? ‘’  to product

3 sending   Tx on command (AT$CW=xxxxx,m,n)

4 Enter  ：Spectrum Analyzer marker peak search  and recording the power and frequency

5 Calculate the frequency PPM

6 sending  Tx off command 

7 test  ok

 

RX test

 1 Vector Signal Generator Setting:

 

 2 Send Rx start command to the product: AT$TM=3,10. After sending this command, the product will not receive any command in the receiving mode, until 10 seconds later, the product will be returned to the product

 3  Signal generator: RF on  （after about ten seconds ）

 4 Trigger Signal Generator  sending  the data once

5 receive data  (RX data and RSSI）

6 Signal generator :RF Off

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来源： https://www.cnblogs.com/huangbaobaoi/p/10957497.html