Entel built the industrial-grade DTEx DMR Digital Series to exacting standards. This ATEX-certified portable delivers remarkably loud and clear audio, and ultra-tactile buttons and high torque controls allow the DTEx to be operated even with gloved hands.
The DTEx Series sets the benchmark for next-generation onboard radios with a market-leading IP68 submersible rating (2 meters 4 hours). You can depend on the DTEx to withstand daily use in extreme and hostile environments at sea.
To ensure your workforce receives consistently reliable and intelligible communications, we have developed an extensive range of certified and approved audio accessories for the DTEx Series, including remote speaker microphones, bone conductive skull mics and ear defender headsets. Please see our accessories section for a complete listing.
KEY FEATURES
Analogue only
All Marine VHF channels (INT, USA, CAN)
Display marine channel number & channel name
IP68 Submersible (2m, 4 hours)
Compliant to MILSTD construction 810C/D/E/F/G
Easy to read, high contract white on black OLED display
Exceptionally loud & best clarity audio - in class
Salt Water anti-corrosion chassis coating
Programmable buttons
Gold plated accessory connector
Locking accessory connector
Accessory audio tailoring optimises audio for each accessory
Memory scan
Programmable switch on logo
Drag and drop end user programmer, no need to visit site
Channels - The DT844 is pre-programmed with all International, USA and Canadian channels, you can also program an additional 16 private channels.
Environmental protection to IP68 (2 Meters for 4 hours) - The DT844 offers the highest submersibility rating of any manufacturer. This protects against corrosion, withstanding total immersion in water to a depth of 2 meters for 4 hours to protect against the likely hazards encountered in extremely wet environments.
Robust accessory socket – DT844 accessory socket has been specifically designed so that when an accessory is secured to the portable, the connection can withstand any amount of punishment; from dropping to careless misuse. The rugged, multi-pin interface and Micro-USB socket are both submersible and gold-plated to minimize any risk of damage and protect against corrosion. To ensure the integrity of IS protection levels any accessory connected to the handset automatically undergoes a validation process to safeguard against non-compliant accessories being used. All DT844 accessories incorporate a robust locking connector to further safeguard the safety of the user.
High contrast white on black OLED display – the DT844 model benefits from a high contrast white on black OLED display that delivers superior readability in varying light conditions adding to the DT844’s intuitive user interface.
Li-ion battery technology & improved talk time – DT844 radios are supplied with the latest intelligent Lithium-ion battery technology as standard. One key advantage of Lithium-ion battery technology is the way it eliminates ‘memory effect’, meaning that there is no need to fully discharge your battery before recharging. As a result of this, you are assured of a full charge each and every time you take your Entel battery from its charger.
Superior Audio - DT844 portables deliver loud & crisp audio no matter what environment you are in. All of the DT844's range of accessories incorporate a robust locking plug and high-grade cable and benefit from Entel’s proprietary “Smart Speech Tailoring” technology. This automatically detects the type of accessory connected and optimizes the audio accordingly to deliver the very best performance.
Convenience
Simple onboard reprogramming app - With our free, unique and simple to use PC app, you can easily re-program a DT844 radio whilst still onboard. The user friendly app makes it easy to drag and drop a new programming file from an email to your DT844 radio(s).
This is a simple and seamless process that can be carried out by non-technical personnel.
Keylock - To avoid accidental operation, your radio's keys & controls can be locked.
Programmable channel monitor button - If you have channel protection enabled on your DT844 portable, all signals other than your own networks will be filtered out. This can be temporarily disabled allowing you to monitor all signals on your channel.
Audio Accessories & BA Support - Entel also offer an extensive range of accessories including Draegor BA, most popular for Fire Fighters is the CXR bone conductive throat and skull microphones which eliminate ambient noise, further enhanced by DT844's speech tailoring technology delivering intelligible communications first time, every time
Memory scan – enables the radios user to create / change their own channel scan list.
Safety
ATEX IIB Approved - The DT844 ATEX certified portables meet IIB T4 - the most stringent ATEX ratings as per EU directive 2014/34/EU.
General
Frequency Range VHF 156-163MHz
Channels INT/USA/CAN mode plus private
Channel Spacing Analogue 25 KHz
Battery CNB950EV2 1800mAh Lithium-ion
Weight 435g
Overall Dimensions (HxWxD) 138mm x 60mm x 38mm
Frequency Stability ±0.5ppm
Operating Voltage 7.4v
Programmable Buttons 3
Battery Endurance (5/5/90) Analogue mode 10 hours
Battery care information: Visit entel.co.uk/battery_care
Transmitter
Output Power 3.9W (High) / 1W (Low)
Modulation Limiting ±5.0KHz
FM Hum and Noise >-40dB
Unwanted Emissions <2nW up to 1GHz, <20nW from 1GHz to 2GHz
Adjacent Channel Power >70dBc
Audio Response (FM) 300Hz to 3KHz -6dB/Octave
Audio Distortion <5%
FM Modulation 16K0F3E
Receiver
Analogue Sensitivity -120dBm (0.2uV) for 12dB SINAD
Intermodulation response rejection >68dB
Adjacent Channel Selectivity >70dB
Spurious Response Rejection >70dB
Audio Output Power 1 Watt
Audio Distortion 5%
Hum and Noise >-40dB
Audio Response 300Hz to 3KHz -6dB/Octave
Conducted Spurious Emissions <2nW up to 1GHz, <20nW from 1GHz to 2GHz
Environmental
Ex Protection ATEX II 2G Ex ib IIB T4 Gb
Operating Temperature -20°C to +40°C
Storage Temperature -40°C to +85°C
Thermal Shock, Humidity, Shock & Vibration, Packing Test, Drop Test Compliant MIL-STD810 C/D/E/F/G
Water Ingress IP68 2 metres, 4 hours submersible
Manufacturer:
Entel UK Limited
320 Centennial Avenue
Centennial Park, Elstree
Borehamwood, Herts
WD6 3TJ United Kingdom
Country of origin: Philipines
