motorola GM338

motorola GM338 analog mobile base station 25W radio
Frequency range: VHF 136-174MHz; UHF 403-470MHz
Memory channel: 128 channels
Dimensions: 186mm x 179mm x 59mm
Weight: 1400 grams
Channel Spacing: 12.5/20/25 kHz
Power output: 1 - 25W; 25 - 45W
Power supply: 13.2V DC (10.8 - 15.6 Vdc) vehicle negative ground
Communication range: about 10-20 kilometers
Sealing: pass the rain test to reach IP54
Dust: Meet MIL-STD 810-C, D&E and TIA/EIA 603

Transmitter Specifications
Modulation Limits: ± 2.5kHz @12.5kHz; ± 4.0kHz @20kHz; ± 5.0kHz @25kHz
FM Hum & Noise: - 40dB @ 12.5kHz; - 45dB @ 20/25kHz
Conducted/Radiated Emissions: - 36dBm < 1 GHz; - 30dBm < 1 GHz
Adjacent Channel Power: -60dB @ 12.5kHz; -70dBm @ 20/25kHz

Receiver Specifications
Intermodulation (EIA): 78 decibels; 75 decibels (UHF)
Adjacent Channel Selectivity: - 40dB @ 12.5kHz; - 45dB @ 20/25kHz
Audio Response (300 to 3000Hz): +1,3dB