Lisheng Digital Walkie talkie M5
Serial Number
Our IP68 waterproof DMR radios are designed to meet the highest standards of durability and reliability. The radios are IP68 rated, fully dustproof and can with stand immersion in 1.5 meters of water for 30 minutes. This means you can rely on these radios to stay connected, even in the most challenging conditions.
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Description
General Data
| Specification / Parameter | Details |
|---|---|
| Frequency Range | VHF: 136-174 MHz | UHF: 400-470 MHz |
| Channel Capacity | 512 |
| Zone Capacity | 64 |
| Channel Spacing | 25 / 20 / 12.5 KHz |
| Operating Voltage | 7.4V |
| Battery | 3000mAh Li-ion Battery |
| Battery Life (5/5/90) | Analog/Digital: 12-16 Hrs / 16-24 Hrs (Digital: Above 24 Hours) |
| Frequency Stability | ±0.5ppm |
| Antenna Impedance | 50Ω |
| Dimensions (H×W×D) | 115 x 54 x 27mm (M4) / 115 x 54 x 30mm (M5) |
| Weight | 260g (M4) / 280g (M5) |
| LCD Display | 1.54” OLED |
Receiver
| Specification / Parameter | Details |
|---|---|
| Sensitivity (Analog) | 0.22μV (12dB SINAD) / 0.3μV (20dB SINAD) |
| Sensitivity (Digital) | 0.22μV / BER 5% |
| Selectivity (TIA-603 / ETSI) | 60dB @ 12.5kHz / 70dB @ 20/25kHz |
| Intermodulation | 70dB @ 12.5/20/25kHz | ETSI: 65dB |
| S/N Ratio | 40dB @ 12.5kHz / 43dB @ 20kHz / 45dB @ 25kHz |
| Rated Audio Power Output | 1.5W |
| Audio Distortion | ≤3% |
| Audio Response | +1 ~ -3dB |
| Conducted Spurious Emission | <-57dBm |
Transmitter
| Specification / Parameter | Details |
|---|---|
| RF Power Output | VHF: 5W (High) / 1W (Low) | UHF: 4W (High) / 1W (Low) |
| FM Modulation | 11KΦF3E @ 12.5kHz | 14KΦF3E @ 20kHz | 16KΦF3E @ 25kHz |
| 4FSK Digital Modulation | 12.5kHz Data: 7K60FXD | Data & Voice: 7K60FXW |
| Conducted/Radiated Emission | -36dBm < 1GHz / -30dBm > 1GHz |
| Modulation Limiting | ±2.5kHz @ 12.5kHz | ±4.0kHz @ 20kHz | ±5.0kHz @ 25kHz |
| FM Noise | 40dB @ 12.5kHz / 43dB @ 20kHz / 45dB @ 25kHz |
| Adjacent Channel Power | 60dB @ 12.5kHz / 70dB @ 20/25kHz |
| Audio Distortion | ≤3% |
| Digital Vocoder Type | AMBE3000++ |
| Digital Protocol | ETSI-TS102 361-1, -2, -3 |
Environmental Specifications
| Specification / Parameter | Details |
|---|---|
| Operating Temperature | -30℃ ~ +60℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| ESD | IEC 61000-4-2 (Level 4) ±8kV (Contact) ±15kV (Air) |
| U.S. Military Standard | MIL-STD-810 C/D/E/F/G |
| Dust & Water Protection | IP68 Waterproof |
| Humidity, Shock & Vibration | MIL-STD-810 C/D/E/F/G Standard |
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