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Hytera HM788
Hytera HM788 merupakan generasi terbaru Radio Mobile Digital (DMR) yang dirancang untuk komunikasi profesional, dimana beberapa fiturnya termasuk layar warna, GPS, konektivitas Bluetooth, perekam suara dan pesan teks, Pemasangan fleksibel sesuai kondisi tempat pemasangan, dengan bagian kepala yang dapat dilepas dan terpisah dari body sejauh 40 meter.
| General | |
| Frequency Range | UHF: 350-470 MHz |
| VHF: 136-174 MHz | |
| Channel Capacity | 1024 |
| Operating Voltage | +13.6v ± 15% |
| Dimensions(W×H×D) | 61.5 x 177 x 179 mm |
| Weight | 1520g |
| Display | 2.4 inch LDC display |
| Receiver | |
| Sensitivity | Analogue: 0.18µV (12dB SINAD) |
| Analogue: 0.16µV (12dB SINAD) (typical) | |
| Digital: 0.18µV / BER 5% | |
| Selectivity | TIA-603: 60dB @12.5kHz / 70dB @20/25kHz |
| ETSI: 60 dB @12.5kHz / 70dB @20/25kHz | |
| Inter-modulation | TIA-603: 70dB @12.5/20/25kHz |
| ETSI: 70dB @12.5/20/25kHz | |
| Spurious Response Rejection | TIA-603: 70dB @12.5/20/25kHz |
| ETSI: 70dB @12.5/20/25kHz | |
| Blocking | TIA-603: 80 dB |
| ETSI: 84 dB | |
| Hum and Noise | 40dB @12.5kHz; 43dB @20kHz; 45dB @25kHz |
| Related Audio Power Output | internal (20 Ohm load): 3W |
| external (8 Ohm load): 7.5W | |
| Max Audio Power Output | internal (20 Ohm load): 8W |
| external (8 Ohm load): 20W | |
| Rated Audio Distortion | <3% |
| Audio Response | +1 to -3 dB |
| Conducted Spurious Emission | < -57 dBm |
| Transmitter | |
| RF Power Output | Low Power UHF: 1-25W; VHF: 5-25W |
| High Power UHF: 1-45W; VHF: 5-50W | |
| FM Modulation | 11K0F3E @12.5kHz |
| 14K0F3E @20kHz | |
| 16K0F3E @25kHz | |
| 4FSK Digital Modulation | 12.5kHz data only: 7K60FXD |
| 12.5kHz data and voice: 7K60FXW | |
| Conducted/Radiated Emission | -36dBm @<1GHz; -30dBm @>1GHz |
| Modulation Limiting | ±2.5kHz @12.5kHz; ±4.0kHz @20kHz; ±5.0kHz @25kHz |
| FM Hum and Noise | 40dB @12.5kHz; 43dB @20kHz; 45dB @25kHz |
| Adjacent Channel Power | 60dB @12.5kHz; 70dB @20/25kHz |
| Audio Response | +1 to -3 dB |
| Audio Distortion | <3% |
| Digital Vocoder Type | AMBE+2 |
| Digital protocol | ETSI-TS102 361-1,-2,-3,-4 |
| Environmental Specifications | |
| Dust & Water Intrusion | IP54 |
| Location Service | GNSS |
| GPS, GPS+GLONASS, GPS+BDS | |
| TTFF (time to first fix) cold start | < 1 minute |
| TTFF (time to first fix) hot start | < 10 seconds |
| Horizontal accuracy | < 5 meters |
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