Kenwood NX-3720/3820

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Kenwood’s NX-3720HG/3820HG mobile radio series—including the NX-3720HG (VHF) and NX-3820HG (UHF)—is designed to provide advanced digital and analog communications for public safety, utilities, transportation, and commercial users who require flexible multi-protocol operation and dependable mobile performance. As part of Kenwood’s NX-3000 series, the NX-3720/3820 platform supports NXDN®, DMR, and analog FM operation, enabling organizations to migrate between technologies while maintaining interoperability and protecting infrastructure investments. These radios combine high-power mobile operation, advanced audio processing, extensive channel capacity, and customizable controls in a rugged platform designed for demanding vehicle environments. With optional trunking capabilities, integrated GPS and Bluetooth® functionality on HG models, and support for advanced encryption and data applications, the NX-3720/3820 series is engineered to meet the operational needs of professional and mission-critical users. Designed to meet MIL-STD 810 C/D/E/F/G standards and IP54/55 environmental protection ratings, these radios deliver reliable communications performance in challenging conditions.

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Key Features​

• High-power mobile operation:

  • NX-3720HG: up to 50W VHF output

  • NX-3820HG: up to 45W UHF output

• Supports NXDN®, DMR, and analog FM operation

• NXDN® conventional and trunked operation

• DMR Tier II conventional and Tier III trunking support

• Mixed analog and digital operation

• Large multi-line backlit LCD display

• Programmable front-panel keys and controls

• 7-color LED indicator

• Up to 1,000 channels and 128 zones

• DSP-based digital audio processing

• Built-in GPS receiver

• Built-in Bluetooth® functionality

• 4W internal speaker audio output

• Voice announcement capability

• Emergency and lone worker functionality

• Remote stun, kill, and radio check capabilities

• Software-based encryption support including DES and AES options

• Dual-priority and multi-zone scan functions

• 15-pin accessory connector for external device integration

• Optional remote mount and dual-control head configurations

• MIL-STD 810 C/D/E/F/G compliant

• IP54/55 dust and water resistance ratings

 

Additional Features

• NXDN® 6.25 kHz and 12.5 kHz digital operation

• DMR Tier II and Tier III operation

• Analog conventional operation

• FleetSync®, MDC-1200, DTMF, 2-tone, and 5-tone signaling support

• Group and individual calling

• Status messaging and text messaging support

• Over-the-air alias functionality

• Optional over-the-air programming support

• Voice inversion scrambling included

• Optional digital encryption licensing

• Horn alert and ignition sense capability

• Bluetooth® headset and accessory support

• External speaker support

• Wide operating temperature range for demanding environments

• Compatible with a wide range of Kenwood microphones, speakers, mounting hardware, and mobile accessories

• Compact mobile chassis for vehicle and fixed installations

 

Downloads​

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Kenwood NX-3720/NX-3820 Specification Sheet

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