Nokia RD40 Manual page 46

Nokia RD40 Modification:
Page 3 of 13
Step 2.
The frequency ofRx and Tx oscillators are in the original RD40 are to low
For coverins the 70cm amateur radio band.
The above picture give's the point's where a solder connection must be done
to adjust the oscillator's to a higher frequency.
Step 3.
To switch the Tx oscillator in the transceiver mode on a modification of
the power supply circuit of the Tx oscillator is described in the following picture.
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