VHF / UHF / 800 MHZ MULTIPROTOCOL
ANALOGUE / DIGITAL RADIOS
ANALOGUE FM – NXDN – DMR
- Designed to operate under an NXDN or DMR digital, and FM analog protocols
- NXDN Conventional and Type-C & Gen2 Trunking
- DMR Tier II & Site Roaming
- DMR Tier III Trunking
- Mixed Digital & FM Analog Operation
- 7-color LED indicator
- External and Internal Speaker Switching
- Audio Output Power (4 Watts at 4 ohms)
- 512 CH/128 Zones
- Maximum of 1000 CH/Radio with option
- Paging Call / Emergency Call /Status/
Text Message / Remote Stun/Kill/Check
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Description
SPECIFICATIONS
| GENERAL | NX-3720 | NX-3820 | |
|---|---|---|---|
| Frequency Range | 136-174 MHz | Type 1: 450 – 520 MHz | |
| Type 2: 400 – 470 MHz | |||
| Max. Channels per Radio | Up to 1000 channels with option | ||
| Number of Channels | 512 | ||
| Number of Zones | 128 | ||
| Channel Spacing | Analog | 12.5/15/25 */30 *kHz | 12.5/25 *kHz |
| Digital | 6.25/12.5 kHz | ||
| Power Supply | 13.6 V DC +-15 % | ||
| Current Drain | Standby | 0.45 A | |
| RX | 2.3 A | ||
| TX | 12 A | ||
| Operating Temperature | -30°C to +60°C | ||
| Frequency Stability | +- 1.0 ppm | ||
| Antenna Impedance | 50 Ohms | ||
| Dimensions (W x H x D) Radio with Control Head * Projections not included |
160 x 43 x 160 mm | ||
| Weight (net) *2 | 1.2 kg | ||
| Sensitivity | NXDN 6.25 kHz Digital, 3 % BER | 0.20 μV | |
| NXDN 12.5 kHz Digital, 3 % BER | 0.25 μV | ||
| DMR 12.5 kHz Digital, 5 % BER | 0.30 μV | ||
| DMR 12.5 kHz Digital, 1 % BER | 0.45 μV | ||
| Analog, 12 dB SINAD | 0.25 μV | ||
| Selectivity | Analog @ 12.5 kHz | 70 dB | |
| Analog @ 25 kHz | 80 dB | ||
| Intermodulation | 70 dB | ||
| Spurious Rejection | 80 dB | ||
| Audio Distortion | 2% | ||
| Audio Output | 4 W/4 Ohms | ||
| TRANSMITTER | NX-3720 | NX-3820 | |
| RF Power Output （H / M / L) | 50 W/30 W/5 W | 45 W/30 W/5 W | |
| Spurious Emission | -73 dB | -75 dB | |
| FM Hum & Noise | Analog @ 25 kHz | 45 dB | |
| Analog @ 12.5 kHz | 40 dB | ||
| Audio Distortion | 2% | ||
| Digital Protocol | ETSI TS 102 361-1, -2, -3 | ||
| Emission Designator | 16K0F3E *1, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W, 7K60FXD, 7K60FXE, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D | ||
KENWOOD NX-3920G / 3921G specs are similar to NX-3720/3820. Some differencies:
| Specification | NX-3920G | NX-3921G |
|---|---|---|
| Frequency Range | TX/RX : 851 – 870 MHz TX : 806 – 825 MHz |
TX/RX : 935 – 941 MHZ TX : 896 – 902 MHz |
| Receiver Selectivity | Analogue @ 12.5 KHz 60 dB Analogue @ 25 Khz : 70 dB |
Analogue @ 12.5 KHz 60 dB Analogue @ 25 Khz : 70 dB |
| RF Power Output (High / Mid / Low) |
15 W / 5 W | 15 W / 5 W |
| Spurious Emissions | – 70 dB | – 70 dB |
NX3720/3820 Brochure |
NX-3920/3921 Brochure |
