User Guide

The main RX troubleshooting measurement is RSSI reading. This test measures the signal strength of the

received signal. For GSM RSSI measurements, see GSM RX chain activation for manual measurements / GSM

RSSI measurement (page 5–16). For a similar test in WCDMA mode, see WCDMA RSSI measurement

(page 5–19).

VCTCXO troubleshooting

Troubleshooting flow

RM-135

RF troubleshooting Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 5 –11