Images are for illustration only.

Product Features

The Motorola DP4400 is Motorola's flagship non-display DMR digital two way radios.

Non-GPS version. If you'd like the GPS version, please see the Motorola DP4401.

  • VHF (136-174MHz); UHF1 (403-527MHz)
  • 16 channels
  • Large, Textured Push-to-talk Button
  • 3 Prgrammable Buttons
  • Tri-colour Status LED
  • Programmable Emergency Button
  • Remote Monitor
  • Programmable Channel Scanning
  • Privacy Features
  • VOX Capability
  • Transmit Interrupt
  • Lone Worker
  • Analogue Mode Compatible
  • 5 Tone Signalling
  • Intelligent Audio

Detailed Information

Motorola DP4400 is the industry standard non-display DMR digital two way radio.

Model Table

Model CodeRadioBandPowerFrequency
MDH56JDC9JA1AN DP4400 VHF 5W/1W 136-174MHz
MDH56RDC9JA1AN DP4400 UHF 4W/1W 403-527MHz

Motorola DP4000 Series Line Up
Each of the radios in the Motorola DP4000 series is available as the "standard version" and "GPS/Bluetooth version". The way to identify these is that the standard version is identified by a zero at the end and the GPS version has a 1 at the end. For example, DP4400 is the standard version and the DP4401 is the GPS/Bluetooth version. See this table for the complete line up.
No Display, No Keypad Full Display, Limited Keypad Full Display, Full Keypad
DP4400 DP4401 DP4600 DP4601 DP4800 DP4801
IMPORTANT: It's important to note that the DP4000 series is now discontinued in favour of the DP4000e series which offers advanced features. Please contact us on 0345 0 955 955 or email us to check remaining stock availability before you order.
DP4400e DP4401e DP4600e DP4601e DP4800e DP4801e
- GPS & Bluetooth - GPS & Bluetooth - GPS & Bluetooth

Motorola DP4400 is a digital business radio designed for tough working environments. Building on the success of the now discontinued DP3400, the DP4400 takes things to a whole new level.

32 channels

The Motorola DP4400 has a 16-position channel switch on the top panel. However, multiple zones can be selected. That DP4400 supports up to 32 channels accross multiple zones. This does not impact the number of voice groups.

Tri-colour LED

The Tri-colour status LED can allows the DP4400 to notify the user of many different statuses. A description of the status LED colour meanings are available in the manual, which can be downloaded at the bottom of this page.

Emergency Button

The DP4400 emergency button can be programmed to send a mixture of different emergency calls or signals. Please let us know if you require the emergency feature acivating on the DP4400.

Large, textured push-to-talk

See the diagram below. The DP4400 has a very large and textured PTT (push to talk) button. This means that even in the lowest light situations the user can easily find the PTT button. Furthermore, the PTT button has a definitive and evident click to feedback to the user that the PTT has been activated.

VOX Capability

The DP4400 has voice ativation functionality that can be switched on or off at the point of programming. If you would like any voice activated features switching on, please let us know when ordering.

Transmit Interrupt

The transmit interrupt feature is included with the DP4400 by default. However, it must be activated by Radiotronics at itme of programming. If you would like transmit interrupt activated features switching on, please let us know when ordering.

Motorola DP4400 Features

  • VHF (136-174MHz); UHF1 (403-527MHz)
  • 32 channels
  • Large, textured push-to-talk button for ease of use 3 programmable buttons to improve ease-of-use and increase operator efficiency
  • Tri-colour LED for clear visual feedback on radio operating status
  • Emergency button to help ensure rapid response to critical incidents
  • Quick, easy-to-use Group, Individual and All-call capability
  • Digital Phone Patch capability
  • Sophisticated Emergency Calls help ensure employee safety
  • PTT ID helps improve communications efficiency and system discipline
  • Remote Monitor features help ensure employee safety and enable fast assessment of remote user status
  • Elegant channel scanning schemes help ensure calls are received first time every time
  • Privacy Features
  • VOX Capability
  • Transmit Interrupt
  • Lone Worker
  • Analogue Mode Compatible
  • 5 Tone Signalling
  • Option Board Capability
  • Intelligent Audio allowing the radio volume to automatically adjust to compensate for background noise.
  • IP57 environmental sealing helps ensure continued operation in tough working conditions
  • IP Site Connect (Conventional Multiple Site Coverage)
  • Capacity Plus (Single Site Trunking)
  • Linked Capacity Plus (Multi Site Trunking)

It's important to note that there are some self-quieting frequencies that should be avoided. These are: VHF: 139.2±10kHz, 141.6±10kHz, 143.36±10kHz, 148.48±10kHz, 148.8±10kHz, 149.025±10kHz, 150.525±10kHz, 151±10kHz, 151.74±10kHz, 152.575±10kHz, 153.6±10kHz, 154.625±10kHz, 156.675±10kHz, 158.4±10kHz, 158.72±10kHz, 163.2±10kHz, 168±10kHz, 172.8±10kHz; and UHF: 403.200, 408.000±10kHz, 412.800, 422.400, 431.615, 432.000±10kHz, 441.600, 444.000±10kHz, 449.550±5kHz, 451.200, 456.000±10kHz, 460.800, 468.735, 470.400, 480.000±10kHz, 494.400, 499.200, 504.000±10kHz, 508.800, 518.400

Wide Range of Features

The DP4400 has some all the features you'd expect from a professional grade two way radio.

Large Textured PTT

The DP4400 has a very large textured PTT button.

DP Connector

The DP4400 has shares the DP3400 DP connector.

Easy Battery On & Off

The DP4400 allows you to easily slip on or off the battery for quick battery swap over.

Volume & Power Switch

The DP4400 has a an integrated/combined volume and power on/off switch.

Easy Antenna Connector

The DP4400 has an easy to remove antenna connection allowing quick and easy antenna replacement.


Ofcom Licence Options

All licensed radios require a licence issued by Ofcom. Radiotronics can facilitate that and make the application on your behalf. Below are the licence options.

Ofcom Licence Options
Simple UK Simple Site Suppliers Light Technically Assigned
Security / Construction Hospitality / Bars etc. Hire Companies Large Buildings
£75 for 5 years £75 for 5 years £75 for 5 years From £100/yr
3 shared assigned channels that can be used anywhere in the UK. Any of our handheld two way radios can be programmed to SImple UK. Up to 15 shared channels that can only be used at your premises. Any of our handheld two way radios can be programmed to SImple Site. Up to 15 shared channels that can be used for rental companies anywhere in the UK. Unique channels technically assigned only to you. Used for repeater based systems.
A note on licensed frequencies. The Ofcom licence you hold or buy denotes the frequency your radios will operate on. If you already have some radios and you would like your new radios programmed the work together, please select technically assigned, and email us your ofcom licence details to If in doubt, please call us on 0345 0 955 955.

Technical Information

SKU DP4400
Accessory Connector DP - Motorola DP4400
Display Non-display
Analogue or Digital Digital
Band (VHF or UHF) UHF, VHF
Emergency Button Yes
Channels 32
Capacity Plus Yes (Built In)
Link Capacity Plus Yes (Built In)
Signalling Type CTCSS, DCS, DMR
MPT1327 Yes (Optional Extra)
Voice Activated Yes
Lone Worker Yes (Built In)
Man Down Yes (Optional Extra)
Transmit Interrupt Yes (Built In)
Remote Monitor Yes (Built In)
Ingress Protection IP57
Type / Group Handheld Radio
Weight 240.0000
Brand Motorola
Model DP4400
Manufacturer Part Number DP4400
Replaces DP3400

Motorola DP4400 Accessories

Here are just some of the accessories available for the Motorola DP4400. For the full list of accessories, pleae see our dedicated Motorola DP4400 accessories category.

Motorola PMNN4412AR
Motorola PMNN4416BR Lithium 1600mAh DP2400/DP4400 Battery
Motorola PMNN4407AR Lithium 1600mAh DP2400/DP4400 IMPRES Battery
Motorola PMNN4448AR 2800mAh Li-Ion DP4400 IMRPES Battery
Motorola PMNN4409 2250mAh DP4400 Li-Ion Battery
Motorola PMAE4079A 403-527MHz UHF Antenna for DP4000 Series
Motorola WPLN4254B DP Series IMPRES Single Charger
Motorola PS000037A02 UK PSU for Charging Pods
Motorola NNTN8274A "Core" DP2400, DP3400 & DP4400 Single Charger
Motorola WPLN4214B DP4400 6 Way Charger
Radiotronics Universal Rack Charger Platform
Motorola NNTN8117 DP4400 Core Charger Pod
Motorola DP4400 & DP3400 12-Way Charger
Radiotronics CH6 6-Way Universal Two Way Radio Charger
Radiotronics IMPRES Rack Charger Platform
Genuine Motorola IMPRES 6-Way Charger PC Interface Cable (NNTN7677A)
Motorola IMPRES Battery Management Software Download & Licence (HKVN4037A)
Motorola NTN5243A Shoulder Strap
Motorola PMLN4651 DP2/DP3/DP4 2" Belt Clip
Motorola PMLN7008 DP2/DP4 2.5" Belt Clip
Motorola HLN9985A Waterproof Two Way Radio Bag
Motorola 1.75" Two Way Radio Leather Belt Only
Motorola HLN6602A Universal Nylon Two Way Radio Chest Pack
Motorola RLN4570A Break-Away Chest Pack
Motorola RLN4815 Universal Utility & Two Way Radio Belt
Motorola / Hyera / Icom / Kenwood Two Way Radio Shipping Case
Radiotronics VAATDP4 DP4400 Covert Earpiece
Radiotronics VADSDP4 DP4400 D-Shape Earpiece
Motorola NNTN8459A Covert Acoustic Tube DP4400 Earpiece
Motorola MOTOTRBO v13 & v14 Software Download
Motorola PMKN4012B DP4400 USB Programming Cable
Motorola DP4400, DP4600 & DP4800 USB Programming Cable (Value)
Motorola PMLN5691 DP4400 Front Cover Housing
Motorola DP4400/e & DP4401/e 3" Fixed Belt Loop Nylon Case
Motorola DP4400/e & DP4401/e 3" Fixed Belt Loop Leather Case
Motorola DP4400/e & DP4401/e 3" Swivel Belt Loop Leather Case
Motorola DP4400/e & DP4401/e 2.5" Swivel Belt Loop Leather Case
Motorola DP3400 & DP4400 to 2-Pin Audio Adapter
Motorola PMLN7560A Covert Earpiece for Microphones
Motorola MDRLN4941A Covert Earpiece for Microphones
Motorola PMLN7396 Listen Only D-Shape Earpiece for Microphones


Below is a list of downloads for the Motorola DP4400. If you would like further information on the Motorola DP4400 please call 0345 0 955 955.

Listed in / compatible with