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 ：

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The instrument connection

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Spectrum Analyzer Setting:

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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

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6 sending Tx off command

7 test ok

RX test

1 Vector Signal Generator Setting:

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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