Relm KNG VHF P25 Handheld Radio

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P25 Conventional and Trunking Operation

Meet the KNG Series digital portable radio. The one radio that works as long and as hard as you do – in the same mission critical situations as you do. Compliant with APCO Project 25 specifications, the KNG Series assures uninterrupted interoperability across frequencies, different groups of responders and variation in terrain. The Relm KNG series portable radios come in versions with Limited and Full Keypad, ready for P25 conventional and/or P25 trunking operation. It conforms to the standard specifications for TIA/EIA TSB-102, CAAB, Digital C4FM Transceiver performance and provides interoperability with other P25 equipment for public safety applications.
These Relm KNG Public Safety portables provide optional AES and DES encryption for secure conversation as well as support for P25 OTAP (Over-The-Air-Programming) and OTAR (Over-The-Air Re-keying) for changing programming and encryption keys over the air.

The KNG Series also includes: KNG-P400 / P500 (UHF Models).
The KNG Series also includes: KNG-P800 (800MHz Models).

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1-6 Watts RF Power Output

Extend the radio’s reach with up to 6 Watts of signal clarity. High and low settings are programmable by channel for power efficiency.

2048 Channels, Dynamic Grouping

Custom-tailored user groups can be programmed into the KNG by radio users and can also be field changed or reprogrammed whenever necessary.

100 Programmable Quick Call ID’s

Connect with select radio users easily and ASAP through RELM’s Quick Call function.

Busy Channel Selections

Designed to indicate and prevent interference on active channels.

Channel/Priority/Dual Mode/Group Scan

Find an available channel for communications: scan by channel, priority channel, or scan by groups, one group at a time. Dual Mode Scan allows you to simultaneously scan conventional and trunked radio systems.

Problem Prevention Features

The Keypad lock prevents you from accidentally hitting a button that may activate functions unintentionally.

Birdie Free

Only RELM Wireless goes the extra mile to create a truly birdie free radio, which means there are no blacked out frequencies on our portable.

DVSI AMBE+2 Version 1.60 Vocoder

The version 1.60 Vocoder provides improved RF performance in a variety of degraded signal conditions. It also provides enhanced audio signal conditioning which improves system performance in the presence of background noise.

Text Messaging

Users sending text messages receive an acknowledgement that deliver of the message was successful. Text Messages can be sent radio-to-radio or can be repeated through fixed network equipment.

Superior Audio Quality

The KNG comes equipped with a 1.6” diameter speaker, giving you the loudest and clearest sound with the least distortion.

Long Battery Life

The KNG works as long as you do, putting in 12+ hours of reliable communication everyday. Upgrade to the KAA0101, a compact 3600 mAH battery and boost your battery life to 16+ hours.

Custom Programming

Our intuitive menu system and feature set is fully customized to fit your everyday needs.

Waterproof IP67 Rating

Dust tight and waterproof - the KNG Portable is especially designed to withstand 30 minutes of water immersion at 1 meter depth.


The KNG Portable has gone through rigorous testing and meets or exceeds military requirements.

APCO Project 25

The KNG Portable meets or exceeds APCO P25 standards.

Large LCD Display

Day or night, get all the information at a glance with our bright 13 character, 5 line LCD Display.

Field or USB Programmable

Ease of use. The KNG can be programmed via USB port on virtually any PC.

Talk Around

This feature allows you to bypass or “talk around” a repeater for a direct connection.

Emergency Signaling

KNG series radios support emergency calls and emergency alarms at the touch of the orange button.


P25 Trunking

The KNG 9600 Baud Trunking option gives you the ability to communicate without hassle and without complication. Compatible with competitor Trunking systems, RELM Wireless Trunking is P25 compliant and loaded with features, such as encryption and many unit-to-unit specializations. Best of all you get RELM’s ease of use. Using our intuitive software, modifying your KNG Trunking features will be simple.

AES/DES/OFB Encryption

AES and DES (Digital Encryption Standard) allows you to communicate with other radios that have the specific key programmed. RELM’s AES/DES Encryption is NIST certified, validated FIPS 140-2 Type III encryption with a 256 key load.

Wireless Tactical OTAR

With RELM’s Wireless Tactical OTAR (WTO), you are provided with the flexibility to upgrade encryption keys wirelessly and effortlessly without ancillary equipment, infrastructure or key management facilities. WTO operates radio-to-radio and is completely contained in the KNG radio units, which means no additional equipment is required beyond initialization.


Over-the-air re-keying is an easy solution to efficiently change encryption keys. Completed almost effortlessly, encryption keys are changed over the air with a touch of a button.


RELM Wireless Over-the-air-programming gives you the ability to reprogram a unit from a central console to anywhere within your coverage area. It allows for you to make the necessary changes to a remote radio without the hassle of extra personnel, wasted time, and additional equipment.

Multicast Vote Scan

Multicast Vote Scan capable KNG Series radios automatically select the best site to operate from in a wide area system. Channels in the multicast conventional system are added to the scar list and designated as “voted” channels. The KNG Radio scans all voted channels and selects the channel with the best signal.



  • KNG-P150ST2 - P25 Conventional Only | 136-174 MHz | 512 Channels | Limited Keypad
  • KNG-P150S - P25 Conventional Only | 136-174 MHz | 512 Channels | Full Keypad
  • KNG-P150T2 - P25 Conventional and Trunking (optional) | 136-174 MHz | 2048 Channels | Limited Keypad
  • KNG-P150 - P25 Conventional and Trunking (optional) | 136-174 MHz | 2048 Channels | Full Keypad
  • KNG-P150CMD - P25 Conventional and Trunking (optional) | 136-174 MHz | 2048 Channels | Full Keypad | Specialized Command Groups
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Compatible with
  • Any VHF P25 Digital Radio

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