DMH5992X VHF 136-174 MHz

  • Bendix King DMH5992X Dash Mount Digital Mobile Radio
  • P25 APCO Compliant
  • 400 Channel, 50 Watt
  • VHF 136-174 MHZ
  • Radio Only, Accessories Sold Separately
The DMH Dash Mount Digital Mobile Radio from RELM Wireless is software driven, which enables built-in versatility, flexibility, intelligence, and the potential for future enhancements. Field programmable and loaded with features, the DMH is easy to use and easy to customize. 
Radio does not include accessories, scroll down below the description to add the desired accessories.


  • APCO Project 25
  • 136 – 174 MHz VHF
  • 400 channels, 500 user groups, 16 channels per group
  • Superior audio quality and clarity
  • 15 – 50 watts programmable RF power
  • DES/AES encryption options
  • Digital, analog, and mixed-mode operations on each channel plus Automatic Mode Detection
  • Cloning technology transfers information from one radio to another automatically
  • FLASH Technology enables future enhancements without hardware changes, instead adding software capabilities quickly and easily.
  • Ultra-secure multi-level password programming protection
  • User-Selectable Code Guards
  • User Selectable Network Access Codes
  • High Visibility VFD Display
  • Dual Priority Scan
  • Talkback Scan
  • Nuisance Channel Delete
  • Transmit Time-Out-Timer
  • Soft Switch Programming
  • Tone Code Guard (CTCSS)
  • Digital Code Guard (CDCSS)
  • Network Access Codes
  • DTMF Encode
  • Talk Group IDs
  • Streamlined Unit-to-Unit Call-Back
  • Emergency Transmission Mode
  • Field-programmable for easy customization in any location/situation

More Information
Long Name DMH5992X Digital, Dash Mount, VHF 136-174 MHZ, 400 Channels, 50 Watt, P25 APCO - RELM BK Mobile Radio
Product Name DMH5992X VHF 136-174 MHz
Manufacturer BK Technologies
This Product Replaces The Following SKUs GMH5992XP
# of Channels 400
Mounting Type Dash Mount
Grade Public Safety
Technology APCO P25 Digital
Transmit Power 50 Watts
Screen Type LCD
Buttons On Faceplate Programmable Buttons
Microphone Options Standard, DTMF Keypad, Desktop
Programming Options Clone, Keypad (direct entry), PC Computer
Trunking No
GPS Enabled No
Encryption AES/DES Optional
Explosive Environment Rating Not Rated

Radio, Operators Manual



Channels 400
Frequency Range 136 – 174MHz
Alphanumeric Display Vacuum Fluorescent
DTMF Encode With LAA0290 Microphone
Standby Current Drain 500 mA
Receive Current Drain 1.0 Amps
Transmit Current Drain 16.0 Amps
Operating Temperature -30°C to +60°C
Size (W x D x H in.) 6 x 9.38 x 2.12 in.
Weight 5 lbs.
Stability +/- 2.5 PPM
Channel Spacing 25/30 and 12.5/15 KHz
Channel Increments 2.5/6.25 KHz
Antenna 50 Ohm Mini UHF Connector


Sensitivity: 12db SINAD -118 dBm
Selectivity 75 dB (wide) / 70 dB (narrow)
Spurious including Image 80 dB
Intermodulation 75 dB (wide)
63 dB (narrow)
Audio Output @ 5% Distortion 4 Watts
Audio Load 3.2 Ohms


RF Power Output 15 to 50 Watts
Spurious and Harmonics 80 dB
Hum and Noise 50 dB
Audio Distortion 3 %
Modulation 16K0F3E, 11K0F3E
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