Nokia NHM-7 Series Troubleshooting Manual page 36

NHM-7
Troubleshooting and Tuning Instructions
Measuring with an oscilloscope on "RX_I" or "RX_Q" this picture should be
seen on a working GSM900 or GSM1800 receiver:
Signal amplitude is 700 mVpp, DC offset 1.35 V and
Signal amplitude is 700 mVpp, DC offset 1.35 V and frequency 67 kHz. If this
signal is not seen, continue to the next page.
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