KNG-M800R 763-870 MHz

  • Install the radio where you have room (under the seat/in the trunk) and put the remote control head unit (sold separately) where you need it.
  • Dual head compatible! Now you can install a remote head unit in the front and back of a crew cab truck or any two locations within reach of the separation cable
  • Included external speaker provides loud and clear audio
  • APCO P25 digital compliance
  • Field upgradeable
  • Highly flexible USB or mobile programming options (software sold separately)
  • 50 Watts of transmitting power

KNG Mobile Radio | P25 Digital Portable Two-way Radios

Meet the BK Radio KNG Series Mobile, the industry’s first mobile radio with a touch screen display. The KNG Series Mobile offers exceptional features in a standard size package for both mid and high power applications. Offered in four frequency bands and two power options, 50 or 100 watt, the Bendix King KNG Series Mobile is smart and easy to customize to fit your everyday needs.


5000 Channels, Dynamic Zoning

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

USB or Mobile Programmability

Program the KNG Mobile out in the field in minutes using an easy to use customize-able menu system, or simply plug in your laptop via USB port on the front of the unit.

Mixed-mode Operation

Whether analog or digital, communicate effortlessly to either mode with RELM’s Mixed-mode feature.

Talk Around

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

Channel/Priority/Group Scan

Find an available channel for communications: scan channel, priority channel, or scan by zones, one zone at a time.

Custom Menu System

Our intuitive menu system gives you full control. Fully customize the menu to fit your everyday needs.


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

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.

Alpha-numeric Touch Screen Display

The first of its kind, the KNG Mobile’s innovative color TFT touch screen display solves many issues seen in existing mobile radio control heads. Day or night, get all the information you need right at your fingertips.

Small Package High and Mid Power

Only the KNG Mobile offers 50 Watt and 110 (VHF) Watt power in a same size package - small and compact to fit neatly in your dashboard.

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 this mobile.

256 Programmable Quick Call ID’s

Designed to prevent other radio communications and interference on channels being used.

Problem Prevention Features

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

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.

Emergency Signaling

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


High Power (110 Watt)

The KNG mobile high power option is designed for the same package size as the 50 Watt - no external fixture - and can be software enabled in the field for when you need it most. 110 Watts of RF output will further the range of the mobile and increase its capability. The high power option is only available for the VHF KNG-M150 model.


Know where you and your team are at any given moment with the RELM Wireless GPS option (P25 Tier 1 Location Services Compliant). Longitude and latitude coordinates will give your exact location, or the location of another KNG, anywhere in the world, saving valuable time when calling for backup in emergency situations.

Remote Head

(This option must be purchased in addition to a KNG Series Mobile if you don't have one already)
No more room in your dash? Opt for the remote mount kit. With the remote mount option, you get a fully functional touch screen mobile face which allows for ease of use while in the cab of your vehicle. This kit comes complete with mounting hardware and cables.

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.


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.

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.


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.

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.

More Information
Long Name KNG-M800R Digital P25 APCO, Remote Mount, 763-870 MHz, 5000 Channels - RELM BK Mobile Radio
Product Name KNG-M800R 763-870 MHz
Manufacturer BK Technologies
This Product Replaces The Following SKUs No
# of Channels 5000
Mounting Type Remote Mount
Grade Public Safety
Technology APCO P25 Digital
Transmit Power 35 Watt
Screen Type Color LCD
Buttons On Faceplate None
Microphone Options Standard, DTMF Keypad, Handheld Control Head, Desktop
Programming Options Clone, Keypad (direct entry), PC Computer
Trunking Optional
GPS Enabled GPS Optional
Encryption AES/DES Optional
Explosive Environment Rating Not Rated

Radio, Install Kit, External Speaker, Operators Manual



Frequency Range 763-870 MHz
Channels 5000
Zones (up to) 5000
Operating Voltage 12 VDC (Nominal), Negative Ground
Channel Spacing 12.5/25 and 15/30 kHz
Channel Increments 1.25/3.125 kHz
Operating Temperature -30 °C to +60 °C
Dimensions (W x D x H) 7.25″ x 9.25″ x 2.25″
Weight w/ Battery 6.5 lbs.
Standby Current Draw 150 mA


Sensitivity -121 dBm
P25 Sensitivity: 5% BER -121 dBm
Adjacent Channel Rejection 80 (70) dB
P25 Adjacent Channel Rejection 60 dB
Spurious and Images 80 dB
Intermodulation Rejection 78 dB
Audio Distortion at 5W 2 %
Current Draw 2A


RF Power (Watts) 10 – 50
50 – 100
Frequency Stability 1.5 ppm
Audio Distortion 3 %
FM Hum and Noise 50 (45) dB
Spurious and Harmonics 75 dB
Current Draw 15 A
25 A
Emission Designators 11K0F3E, 16K0F1E,8K0F3E, 8K0F1E

Note: Narrowband specifications are denoted in parenthesis.

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