Setting
WCDMA I
WCDMA II
WCDMA IV
WCDMA V
WCDMA VIII
Signal generator
RF level (CW
signal)
-48 dBm
-48 dBm
-48 dBm
-48 dBm
-48 dBm
2. Activate WCDMA RSSI reading in Phoenix (Testing —> WCDMA —> Rx Power Measurement) .
3. In the Rx Power Measurement window, make the following settings:
4. Click Start to perform the measurement.
Results
The
Result
reading should reflect the level of the signal generator (- losses) +/- 5 dB.
When varying the level in the range of -40 to -100 dB, the reading should follow /- 5 dB.
Note:
In some versions of the Phoenix service tool, the
WCDMA Rx Power Measurement
tool does
not work as it should. In these cases, the result is something really small (for example -8387684.9).
Antenna
Antenna overview
RM-701 has a GSM/WCDMA antenna located on the bottom of the phone. The GSM/WCDMA antenna has one
feed connection and one ground connection.
The connection from the phone PWB to the antenna module is implemented by spring contacts (2 pcs).
RM-701
Cellular RF troubleshooting
Issue 1
COMPANY CONFIDENTIAL
Page 4 – 25
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