Motorola GM328 Service Manual page 283

Technical Specifications
*Frequencies - Full Bandsplit
Channel Spacing
Frequency Stability
(-30°C to +60°C, +25° Ref.)
Power
Modulation Limiting
FM Hum & Noise
Conducted/Radiated Emission
Adjacent Channel Power
Audio Response (300 - 3000Hz)
Audio Distortion
@1000Hz, 60%
Rated Maximum Deviation
*Frequencies - Full Bandsplit
Channel Spacing
Sensitivity (12 dB SINAD)
Intermodulation
Adjacent Channel Selectivity
Spurious Rejection
Rated Audio
Audio Distortion @ Rated Audio
Hum & Noise
Audio Response (300 - 3000Hz @ 20kHz)
Conducted Spurious Emission (ETS)
*Availability subject to the laws and regulations of individual countries.
Transmitter
Receiver
Low Band
Low Band 1 29.7-36.0 MHz
Low Band 2 36.0-42.0 MHz
Low Band 3 42.0-50.0 MHz
12.5/20/30 kHz
±5 ppm
40-60W
±2.5 @ 12.5 kHz
±5.0 @ 20/30 kHz
-40 dB @ 12.5kHz
-45 dB @ 20/30kHz
-26 dBm <1 GHz
-60 dB @ 12.5 kHz
-70 dB @ 20/30 kHz
+1 to -3 dB
<3% typical
Low Band
Low Band 1 29.7-36.0 MHz
Low Band 2 36.0-42.0 MHz
Low Band 3 42.0-50.0 MHz
12.5/20/30 kHz
0.25 µV (0.22 µV typical)
>80 dB
Base Mode: >70dB
(1-25W model only)
65 dB @ 12.5 kHz
80 dB @ 20/30 kHz
70 dB @ 12.5 kHz
80 dB @ 20/30 kHz
7.5W and 13W External
<3% typical
-40 dB @ 12.5 kHz
-45 dB @ 20/30 kHz
+1 to -3 dB
-57 dBm <1 GHz
-47 dBm >1 GHz
1-3