GM-3688 VHF UHF Cheap Mobile Radio Intercom
Specification:
1. Frequency Range:146-174 ,438-470MHz
2. Channel:64
3. Channel Step:12.5/25KHz
2. Channel:64
3. Channel Step:12.5/25KHz
4. Output Power:25w
5. Signaling-Quick call ll,DTMF,part of the MDC1200
6. Emergency call feature
7. U.S.military standards-the U.S.military standard 810C,D and E
8. Weight: 2kg
9. Dimensions:44*169*118mm
5. Signaling-Quick call ll,DTMF,part of the MDC1200
6. Emergency call feature
7. U.S.military standards-the U.S.military standard 810C,D and E
8. Weight: 2kg
9. Dimensions:44*169*118mm
| Model | GM-3688 | |
| general | ||
| Frequency band | VHF | UHF |
| Frequency range | 146-174MHZ | 438-470MHZ |
| Channel capacity | 64 | |
| Operating voltage | 7.2VDC | |
| Antenna impedance | 50Ω | |
| Channel spacing | 12.5KHz/25KHz | |
| Working temperature | 30°-+60° | |
| Frequency stability | ±2.5ppm | |
| Dimension(without antenna) | 44*169*118MM | |
| Weight(with battery) | 1.01KG | |
| compatible with American military standard (MIL-STD-810C/D/E) | ||
| Transmitter | ||
| Modulation type | P3E | |
| Modulation distortion | <5%(300-3000Hz) | |
| Max Freq deviation | <5KHz | |
| FM noise | ≤45dB | |
| Receiver | ||
| Sensitivity | 0.16µ | |
| Selectivity | 55dB | |
| Adjacent channel selectivity | ≥65dB | |
| Noise respond | ≥60dB | |
| FM noise | 45dB | |
| Modulation type | 16koF3E | |
| Audio power output | 500mw when distortion less than 10% | |
| Audio distortion | <5% | |
Warranty: 1 year
Delivery: 1-3 days after payment

