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MD-785GH
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Conformity MIL-STD-810 C/D/E/F et IP54.
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| General Data | |
| Frequency range | VHF: 136 – 174 MHz UHF: 400 – 470 MHz |
| Supported operation modes |
DMR Tier II in reference to ETSI TS 102 361-1/2/3 |
| Channel capacity | 1024 |
| Zone Capacity | 64 (with max. 16 channels each) |
| Channel spacing (analog) | 12.5 / 20 / 25 kHz |
| Channel spacing (digital) | 12.5 kHz |
| Operating voltage | 13.6 ±15 % VDC |
| Max. power consumption (in stand by) | ≤ 0.6 A |
| Max. power consumption (during reception) | ≤ 2.0 A |
| Max. power consumption (during transmission) | 5 W: ≤ 5 A 25 W: ≤ 8 A 45 W / 50 W: ≤ 12 A |
| Frequency stability | ±1.5 ppm |
| Antenna impedance | 50 Ω |
| Dimensions (H × W × D) | 174 x 60 x 200 mm |
| Weight | 1.7 kg |
| LCD display | 220 x 176 pixels, 262,000 colours, 2.0 inches, 4 lines |
| Transmitter | |
| Transmitting power | VHF: 5 / 25 W UHF: 5 / 25 W |
| Modulation | 11KΦF3E at 12.5 kHz 14KΦF3E at 20 kHz 16KΦF3E at 25 kHz |
| 4FSK digital modulation | 12.5 kHz (data only): 7K6ΦFXD 12.5 kHz (data and voice): 7K6ΦFXW |
| Interfering signals and harmonics | -36 dBm < 1 GHz -30 dBm > 1 GHz |
| Modulation limiting | ±2.5 kHz at 12.5 kHz ±4.0 kHz at 20 kHz ±5.0 kHz at 25 kHz |
| Noise suppression | 40 dB at 12.5 kHz 43 dB at 20 kHz 45 dB at 25 kHz |
| Adjacent channel selectivity | 60 dB at 12.5 kHz 70 dB at 20/25 kHz |
| Audio sensitivity | +1 to -3 dB |
| Nominal audio distortion | ≤ 3% |
| Digital vocoder type | AMBE++ |
| Receiver | |
| Sensitivity (analog) | 0.3 μV (12 dB SINAD) 0.22 μV (Typical) (12 dB SINAD) 0.4 μV (20 dB SINAD) |
| Sensitivity (digital) | 0.3 μV / BER 5% |
| Adjacent channel selectivity TIA-603 ETSI |
65 dB at 12.5 kHz / 75 dB at 20 and 25 kHz 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz |
| Intermodulation TIA-603 ETSI |
75 dB at 12.5/20/25 kHz 70 dB at 12.5/20/25 kHz |
| Spurious response rejection TIA-603 ETSI |
75 dB at 12.5/20/25 kHz 75 dB at 12.5/20/25 kHz |
| Hum and noise | 40 dB at 12.5 kHz 43 dB at 20 kHz 45 dB at 25 kHz |
| Nominal audio power output | Internally, 3 W at 20 Ω Externally, 7.5 W at 8 Ω |
| Nominal audio distortion | ≤ 3 % |
| Audio sensitivity | +1 to -3 dB |
| Conducted spurious emission | -57 dBm |
| Ambient data | |
| Operating temperature range | -30 °C to +60 °C |
| Storage temperature range | -40 °C to +85 °C |
| Protection against dust and moisture | IP54 |
| Shock and vibration resistance | MIL-STD-810 C/D/E/F/G |
| Relative humidity | MIL-STD-810 C/D/E/F/G |
| GPS (MD785G only) | |
| Time to first fix (TTFF) cold start | < 1 minute |
| Time to first fix (TTFF) warm start | < 10 seconds |
| Horizontal accuracy | < 10 meters |
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