Motorola GP1280 Series, Basic Service Manual

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Specifications - Professional GP300 Series Radios 6-9
*Availability subject to the laws and regulations of individual countries.
Transmitter VHF UHF1/UHF2
*Frequencies - Full Bandsplit VHF 136-174 MHz
UHF1 403-470 MHz
UHF2 450-527 MHz
Channel Spacing 12.5/20/25 kHz
Frequency Stability
(-30°C to +60°C, +25° Ref.)
0.00025%
Power
Low: 1W
High: 5W
Low: 1W
High: 4W
Spurs/Harmonics
-36 dBm <1 GHz
-30 dBm >1 GHz
FM Hum & Noise -40 dB typical
Audio Response (300 - 3000 Hz) +1 to -3 dB
Audio Distortion <5% typical
Receiver VHF UHF1/UHF2
*Frequencies - Full Bandsplit VHF 136-174 MHz
UHF1 403-470 MHz
UHF2 450-527 MHz
Channel Spacing 12.5/20/25 kHz
Sensitivity (12 dB SINAD) EIA 0.35 µV typical
Intermodulation ETS -65 dB
Adjacent Channel Selectivity
60 dB @ 12.5 kHz
70 dB @ 25 kHz
Spurious Rejection -70 dB
Rated Audio 0.5W
Image Rejection -70 dB
Frequency Stability
(-30°C to +60°C, +25° Ref.)
0.00025%