Measuring Rx Performance Using Snr Measurement - Nokia RM-94 Rf Troubleshooting Instructions

Nokia Customer Care
(The example below shows a screen shot in GSM900!)
Make the following settings on your signal generator:
Frequencies:
• GSM 900: 942.46771 MHz (channel 37+ 67.710 kHz offset)
• GSM 1800: 842.86771 MHz (channel 700 + 67.710 kHz offset)
• GSM 1900: 1960.06771 MHz (channel 661+ 67.710 kHz offset)
RF power level:
• – 80 dBm @ the antenna connector of the phone/ test jig
(remembering to compensate for the cable and jig attenuation).
Click on <Read now> in RSSI reading.
The resulting RSSI level shall be – 80 dBm +/– 0.5 dB in each band.

Measuring RX performance using SNR measurement

Start Phoenix Service Software and open FBUS connection.
Select
Wait until the phone information is shown in the lower right corner of the screen.
Set operating mode to <local mode>.
Select
Select
8
Scan Product
Testing
Band
Active unit
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
6(b) - RF Troubleshooting
RF Controls
GSM 900 or GSM1800 or GSM1900
RX
RM-94
Ctrl-R
T
F
Issue 1 04/2005