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Our DN400 4G LTE Wi-Fi PoC radios combine the best of traditional PTT (push-to-talk) with national cellular network operation for best-in-class performance.

Supplied with your choice of slim or high-capacity battery and drop-in charger as standard, our DN series delivers 3 watts of crystal-clear audio quality and volumes exceeding radios twice their size. 

Removing the need for costly radio licensing and potential channel interference from other radio users, Entel’s PoC (push-to-talk over cellular) DN400 radios are ready to use with a SIM on a fair use policy.

The Smartphone App, Radio GatewayPC Dispatcher and Android Dispatcher options offer you further flexibility whilst the ergonomic design, ultra-tactile buttons are suitable for gloved-hand use and its superior IP68 construction ensures these robust and compact commercial-grade radios are ready to support your operational needs. Just charge and go.


  • Hosted Tier III+ data centre, fully redundant
  • AES 256 encryption 
  • As standard: Emergency Button, Lone-Worker & Man-Down with GPS location
  • IP68 Submersible (2m, 4 hours) 
  • Configurable from simple to sophisticated 
  • Wi-Fi, Bluetooth and GPS as standard
  • 3 watt loudest & best clarity audio - in class 
  • GPS tracking
  • Channel interrupt
  • MCPTT (contact us for more information)

See the brochure for a complete list of features.

DN495 Emergency Features

Youtube Video


Practically Unlimited Range
DN400 radios deliver instantaneous PTT calling over national cellular and Wi-Fi networks. Entel’s multi-network unsteered roaming SIM offers the very best network access and coverage.

Cost Effective
With no need for your own expensive infrastructure, Entel’s simple pricing options are especially attractive when compared to traditional two-way radio systems.

IP68 Commercial Grade Construction
Exceeding MIL-STD 810C/D/E/F/G and IP68 2 metres, 4 hours submersible, DN400 radios undergo rigorous lifecycle testing and are designed to deliver many years of trouble-free use, even in the most demanding of environments.

Emergency Features
As standard: DN400 supports Emergency button, Lone-Worker and Man-Down, with automatic transmission of the radio's GPS location.

Drop-In Charger
DN400 radios are supplied with a rapid, drop-in charger as standard.

High Contrast OLED
DN400’s OLED display provides exceptional readability in all conditions. The display shows important information such as the selected channel, who’s calling, contact list, signal strength, battery charge etc.

17-Hour Battery Endurance
From a single charge, DN400 radios deliver a market-leading battery endurance time of up to 17 hours.

Rugged Accessory Socket
DN400’s rugged locking accessory socket is submersible even with its cover removed, whilst gold-plated contacts minimise any risk of damage from corrosion. Plus, all Entel’s accessories also incorporate gold-plated contacts, a robust plug and high-grade cable.

Ultra-Compact and Loud!
DN400 radios are the most robust, compact commercial Grade LTE radios available today. Despite their compact size they produce outstanding audio clarity and volume levels, exceeding radios twice their size.

From covert earpieces to bone conductive and Bluetooth options, optimise your experience with our specialist range of high-quality accessories. A full list of accessories is available upon request.


Simple to Advanced
DN400 radio configuration options to suit your needs – from simple push-to-talk (PTT) to incorporating its advanced two-way radio system features.

No Limitations
The DN400 enables your workforce to make a virtually unlimited number of simultaneous calls.

No License, No Interference!
Operating on national cellular and Wi-Fi networks, we have removed the need for costly radio licenses and risk of channel interference.

Ready To Go
DN400 radios are supplied preconfigured and ready for use. Just unpack, charge and go!

Instantaneous Updates
DN400 radios are instantly updated and programmed over the air (OTA), regardless of location.

Entel’s simple and flexible pricing options can be adapted to your business needs. There are no heavy up-front infrastructure or ongoing site / line rental, IP link or license costs to worry about.

Cross Platform Communications
DN400 radios form part of a solution that can unify your mobile communications. Other products in the range include a PC Dispatcher App, Smartphone App & Radio Gateway (allowing connection with existing radio systems). Everyone can talk together at the press of a button.

Comprehensive Maintenance
In addition to the standard 2 year manufacturer warranty, Entel’s optional 3 or 5 year comprehensive maintenance service also covers accidental damage.

Presence Check
If required, DN400 radios can be configured to indicate which users are online.

Lowest Call Latency
Entel’s radios, apps, servers and SIM's have all been optimised to deliver call latency times equivalent to DMR radio systems.

Rapid Deployment
DN400 radios can be set up and deployed in just a few hours. Perfect for applications such as highways maintenance, last-minute event hire, logistics, etc.

GPS and Bluetooth
DN400 radios can be configured to send their location for both management and safety purposes. This information can be displayed and managed via the PC Dispatchers map. Bluetooth supports Entel’s range of Bluetooth audio accessories.


Secure and Resilient Communications
Entel’s service utilises AES-256 encryption to ensure the highest level of privacy and data security, plus our servers are locally hosted, e.g. Entel’s EU server is hosted in a UK Tier 1 data centre with further remote back up servers.


Emergency Features
DN400 supports an Emergency button, Lone-Worker and Man-Down features with automatic transmission of the radio's precise location.

Frequencies, Standards & Approvals

Frequency Bands DN495 - EMEA, Korea, Thailand, India
LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B38/B40
GSM: 850/900/1800/1900MHz
2.4G/5.8G 802.11 a/b/g/n*
Other band variants available on request
* 5.8GHz variant on request
Wi-Fi 2.4GHz / 5.8GHz 802.11 a/b/g/n*
* 5.8GHz variant on request
Bluetooth BT2.1+EDR / 3.0 / 4.1LE
Satellite positioning GPS / GLONASS / BeiDou (BDS)
Encryption AES256
Dust & Liquid protection IP68 (2 metres for 4 hours fully submersible)
Shock & Vibration, Drop test, Packing test MIL-STD-810 C/D/E/F/G
ESD IEC 61000-4-2
Approvals Visit: www.entel.co.uk/red


Channel capacity Virtually unlimited
Contact list >1000
Audio Output 3-Watts RMS (internal & external speaker)
Microphone Echo cancellation & Noise reduction
Dimensions 97mm X 59.5mm X 33mm (with CNB420E battery)
97mm X 59.5mm X 37mm (with CNB450E battery)
Weight 243g (with CNB420E battery)
267g (with CNB450E battery)
Battery, Capacity / Chemistry / Endurance (5/5/90) CNB420E - 1350mAh - Li-Ion - 11 Hours*
CNB450E - 2000mAh - Li-Ion - 17 Hours*
*with GPS & Bluetooth off
SIM Card slot Nano (4FF) Entel’s SIM is internal to the radio
Operating Temperature -20 to +60°C
Storage Temperature -30 to +75°C

As standard the DN Series portable is supplied with:
■ CNB450E 2000mAh Lithium-Ion battery pack
■ CSAHX Single pod Rapid mains charger
■ Spring loaded rear clip
■ High efficiency antenna
■ Quick start user guide
■ 24 months manufacturers warranty**

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