DT844FF
The MED-approved industrial grade DTEx Fire Fighter Series meets the latest standard implementation regulation MED/5.20 and European ATEX directive. Built without compromise, this portable delivers outstanding loud and clear audio. The ultra-tactile buttons and high torque controls allow the DTEx to be operated even with gloved hands, and the high-contrast OLED display is easy to read in low-light conditions.
The DTEx Fire Fighter Series sets the benchmark for next-generation MED-compliant firefighter radios with a market-leading IP68 submersible rating (2 meters 4 hours). You can depend on the DTEx to cope with everyday use in extreme and hostile environments.
We have a comprehensive selection of certified and approved audio accessories for the DTEx Fire Fighter Series, ensuring fire teams receive consistently reliable and intelligible communications. Our bone conductive throat and skull microphones perform outstandingly in high ambient noise environments and have become the industry standard for onboard firefighter teams.
KEY FEATURES
- Analogue only
- All Marine VHF channels (INT, USA, CAN, including new 4-digit channels)
- Display marine channel number & channel name
- IP68 Submersible (2m, 4 hours)
- Compliant to MILSTD construction 810C/D/E/F
- Exceptionally loud & best clarity audio - in class
- Programmable buttons
- Salt Water anti-corrosion chassis coating
- Gold plated accessory connector
- Locking accessory connector
- Accessory audio tailoring optimises audio for each accessory
- Easy to read, high contract white on black OLED display
- Memory Scan
- Programmable switch on logo
- Drag and drop programmer, can be done onboard
We are releasing new features all the time, if there is a feature you require that is not already listed above please give us a call.
General
Channels - The DT844FF VHF Marine can operate in either USA/INT/CAN modes or a simple custom channel line-up, for example; 6,16,15,17,69,72
Environmental protection to IP68 (2 Meters for 4 hours) - The DT844FF 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 – DT844FF 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 DT844FF accessories incorporate a robust locking connector to further safeguard the safety of the user.
High contrast white on black OLED display – the DT844FF model benefits from a high contrast white on black OLED display that delivers superior readability in varying light conditions adding to the DT844FF’s intuitive user interface.
Li-ion battery technology & improved talk time – DT844FF 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 - DT844FF portables deliver loud & crisp audio no matter what environment you are in. All of the DT844FF’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 on-board reprogramming app - With our free, unique and simple to use PC app, you can easily re-program a DT844FF radios whilst still onboard. The user friendly app makes it easy to drag and drop a new programming file from an email to your DT844FF 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.
Memory scan – enables the radios user to create / change their own channel scan list.
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 DT844FF’s speech tailoring technology delivering intelligible communications first time, every time
Safety
ATEX IIB T4 Approved - The DT844FF 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 | Marine INT/USA & CAN inc. new 4-digit CH |
Channel Spacing Analogue | 12.5KHz & 25KHz |
Battery | CNB950EV2 1800mAh Lithium-ion |
Overall Dimensions (HxWxD) | 138mm x 60mm x 38mm |
Frequency Stability | ±0.5ppm |
Operating Voltage | 7.4v |
Programmable Buttons | 3 |
Battery Endurance (5/5/90 - Analog Mode) | 10 hours |
Battery care information: | Visit entel.co.uk/battery_care |
Transmitter
Output Power | 3.9W High 1W Low |
Modulation Limiting | ±2.5KHz / ±5.0KHz |
FM Hum and Noise | >-40dB / >-45dB |
Unwanted Emissions | <2nW up to 1GHz, <20nW from 1GHz to 2GHz |
Adjacent Channel Power | >60dBc / >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 | >60dB / >70dB |
Spurious Response Rejection | >70dB |
Audio Output Power | 1 Watt |
Audio Distortion | 5% |
Hum and Noise | >-40dB / >-45dB |
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-STD-810 C/D/E/F |
Dust & Liquid Ingress | IP68 (2m 4h Submersible) |
As standard the DT Series portable is supplied with:
- Rechargeable Li-ion battery pack
- Emergency one-shot battery pack - For DT844FF & DT885FF only
- Drop in charger
- Spring loaded belt clip
- High efficiency antenna
- Quick start user guide
Featured Products
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CXR5/DT9
Bone conductive skull microphone
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CXR16/DT9
Bone conductive throat microphone
-
CNB950EV2
1800mAh rechargeable Lithium-Ion battery pack
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CLB850FF
CLB850FF ATEX approved primary battery pack
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CMP/DT9
Rugged submersible remote speaker microphone
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C-C550/DT
SAVOX C-C550 Remote Speaker Microphone, approved for use with DT800 and DT900 Series ATEX radios.
-
CHPD/DT9
Double ear-cup ear defender headset with headband, c/w PTT-E/DT9
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CHPHD/DT9
Double ear-cup ear defender headset with hardhat fixings, c/w PTT-E/DT9
-
CHPHS/DT9
Single ear-cup ear defender headset with hardhat fixings, c/w PTT-E/DT9
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CLCDT5
Heavy duty leather case and strap with belt loop for the DTEx series hand portable radio
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CSBHT
Six pod intelligent rapid charger, 110-240V. Specify 2-pin or 3-pin plug
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EA12/DT9
Earpiece microphone & PTT
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EHP/DT9
Listen only earpiece - Not currently available
-
PTT-E/DT9
Spare heavy duty waterproof push-to-talk for CHP accessories.
-
PTT-C/DT9
Spare heavy duty waterproof push-to-talk for CXR accessories.
-
CSAHT
Single pod rapid charger, 110-240v, specify 2-pin or 3-pin plug
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CCAHT-230
Single pod trickle charger, specify 2-pin or 3-pin plug
-
CAT420/156
VHF 156MHz antenna