NEXEDGE NX-3820 450-520MHz 45w UHF NX-3720 136-174MHz VHF Digital Two Way Radio Mobile Radio Base Station
Main features
Wideband UHF Powerhouse
400–520 MHz range with 5/25/45 W steps keeps the same unit punching 50 W on a mining hauler and dropping to 5 W inside RF-restricted depots.
400–520 MHz range with 5/25/45 W steps keeps the same unit punching 50 W on a mining hauler and dropping to 5 W inside RF-restricted depots.
NXDN Mobile Radio Channel Efficiency
True 6.25 kHz FDMA squeezes two voice paths into one licence slot, doubling capacity for marathon logistics or security patrols without extra fees.
True 6.25 kHz FDMA squeezes two voice paths into one licence slot, doubling capacity for marathon logistics or security patrols without extra fees.
Built-in GPS and Bluetooth
FleetSync plus GPS logs every PTT with time and location; Bluetooth headsets keep ambulance drivers hands-free and compliant.
FleetSync plus GPS logs every PTT with time and location; Bluetooth headsets keep ambulance drivers hands-free and compliant.
Detachable Control Head
Dash-mount the display while the RF deck hides in the trunk—trimming install time on a 200-bus fleet to under forty minutes per vehicle.
Dash-mount the display while the RF deck hides in the trunk—trimming install time on a 200-bus fleet to under forty minutes per vehicle.
Over-the-Air Programming
Push firmware, frequencies and encryption keys from the office; 120 units updated city-wide before the shift rolled out.
Push firmware, frequencies and encryption keys from the office; 120 units updated city-wide before the shift rolled out.
Rugged Audio for Real Work
4 W external speaker and DSP noise cancellation let concrete mixers hear dispatch over 95 dB ambient—proof that this kenwood nx3820 is built for job-site noise, not the showroom.
4 W external speaker and DSP noise cancellation let concrete mixers hear dispatch over 95 dB ambient—proof that this kenwood nx3820 is built for job-site noise, not the showroom.
Other functions
- NXDN Type-C & Gen2 Trunked
- NXDN Conventional
- 6.25 & 12.5 kHz Channels
- All Group Call
- Over-the-Air Alias (OAA)
- Over-the-Air Programming (OTAP)
- Complies with ETSI DMR Tier II standards
- Two-slot TDMA in 12.5 kHz channels
- Call Interruption
- Dual-slot Direct Mode
- ARC4 Encryption
NX-3820 accessories
- 1*NX-3820 Mobile radio
- 1*Handheld MIC
- 1*Bracket
- 1*MIC stand
- 1*Parts
- 1*Power cord
- 1*Manual
-
Specification
| GENERAL | |
| Frequency Range | 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 kHz Digital: 6.25 / 12.5 kHz |
| Operating Voltage | 13.6 V DC ±15 % |
| Current Drain | 0.45 A / 2.3 A / 12 A |
| Operating Temperature | -22 °F to +140 °F (-30 °C to +60 °C) |
| Frequency Stability | ±1.0 ppm |
| Antenna Impedance | 50 Ω |
| Dimensions (W×H×D) | 6.30×1.69×6.30 in (160×43×160 mm) |
| Weight (net) | 2.65 lb (1.2 kg) |
| FCC ID | K44479200 |
| IC Certification | 282F-479200 |
| RECEIVER | |
| Sensitivity | NXDN 6.25 kHz: 0.20 µV NXDN 12.5 kHz: 0.25 µV DMR 12.5 kHz (5 %BER): 0.30 µV DMR 12.5 kHz (1 %BER): 0.45 µV Analog 12 dB SINAD: 0.25 µV |
| Selectivity | 70 dB / 80 dB |
| Intermodulation | 70 dB |
| Spurious Rejection | 80 dB |
| Audio Distortion | 2 % |
| Audio Output | 4 W / 4 Ω |
| TRANSMITTER | |
| RF Power Output | 50 W / 30 W / 5 W |
| Spurious Emission | -73 dB |
| FM Hum & Noise | 45 dB / 40 dB |
| Audio Distortion | 2 % |
| Digital Protocol | ETSI TS 102 361-1,-2,-3 |
| Emission Designator | 16K0F3E, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W, 7K60FXD, 7K60FXE, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D |
Features:
- NXDN Type-C & Gen2 Trunked
- NXDN Conventional
- 6.25 & 12.5 kHz Channels
- All Group Call
- Over-the-Air Alias (OAA)
- Over-the-Air Programming (OTAP)
- Complies with ETSI DMR Tier II standards
- Two-slot TDMA in 12.5 kHz channels
- Call Interruption
- Dual-slot Direct Mode
- ARC4 Encryption
| GENERAL | Nx-3720HG | Nx-3820HG |
| Frequency Range | 136-174MHz | 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 | |
| Analog Channel Spacing Digital |
12.5/15/25*130*kHz | 12.5/25*kHz |
| 6.25/12.5kHz | 6.25/12.5kHz | |
| perating Voltage | 13.6VDC+/-15% | |
| Standby current Drain RX Tx |
0.45A | |
| 2.3A | ||
| 12A | ||
| perating Temperature | -22°Fto +140°F(-30Cto+60°C) | |
| Frequency Stability | ±1.0 ppm (-22°Fto +140°F) | |
| Antenna lmpedance | 50 Ohms | |
| Dimensions (WxHxD) Radio with Control Head *Projections not included |
6.30 x 1.69 x6.30 in (160 x43x 160 mm) | |
