User Guide

3. From the Tuning menu, choose GSM -> Tx Power Level Tuning .

4. Set Mode to Automatic and Edge to Off.

TX data type:

GMSK: Random

EDGE: PN-9

5. Set the spectrum analyzer for power level tuning:

Frequency Channel frequency

897.4MHz GSM900

1747.8MHz GSM1800

1880MHz GSM1900

Span 0 Hz

Sweep time 2 ms

Trigger Video triggering (-10 dBm)

Resolution BW 3 MHz

Video BW 3 MHz

Reference level offset cable attenuation + module jig attenuation

Reference level 33 dBm

A power meter with a peak power detector can be also used. Remember to take the attenuations in the

account!

RM-13/33

Nokia Customer Care RF Troubleshooting and Tuning

Page 7–14 Company Confidential 9240218 (Issue 1)