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Entel
IECEx-certified marine VHF handheld for hazardous areas, with 4W output, IP68 waterproofing and 13.5 hours of battery life.
Technical
| Frequency Range | VHF 156-163MHz |
|---|---|
| Channels | INT/USA/CAN mode plus private |
| Channel Spacing Analogue | 12.5kHz & 25kHz |
| Battery | CNB550EV2 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 | 13.5 hours |
| Output Power | 4 W (High) / 1 W (Low) |
| Modulation Limiting | ±2.5kHz / ±5.0kHz |
| FM Hum and Noise (Transmitter) | >-40dB / >-45dB |
| Unwanted Emissions | <2nW up to 1GHz, <20nW from 1GHz to 2GHz |
| Adjacent Channel Power | >60dBc / >70dBc |
| Audio Response (FM) (Transmitter) | 300Hz to 3kHz -6dB/Octave |
| Audio Distortion (Transmitter) | <5% |
| FM Modulation | 16K0F3E |
| 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 (Receiver) | 5% |
| Hum and Noise (Receiver) | >-40dB / >-45dB |
| Audio Response (Receiver) | 300Hz to 3kHz -6dB/Octave |
| Conducted Spurious Emissions | <2nW up to 1GHz, <20nW from 1GHz to 2GHz |
| Ex Protection | IECEx 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 |
| Water Ingress | IP68 2 metres, 4 hours submersible |
Overview
The Entel DT544 is a marine VHF handheld covering 156-163MHz across International, USA and Canadian marine channels plus private channels, certified IECEx Ex ib IIB T4 Gb for hazardous gas atmospheres. It transmits at 4W high power (1W low) from a CNB550EV2 1800mAh lithium-ion battery, rated for 13.5 hours in analogue mode on a 5/5/90 duty cycle. It is rated IP68 (2 metres, 4 hours) and built to MIL-STD-810 C/D/E/F, operating across -20 to +40 degrees C.
Questions
The DT544 transmits at 4 Watts on high power and 1 Watt on low power.
Yes. The DT544 carries IECEx certification (Ex ib IIB T4 Gb) rather than ATEX, so check which standard your site requires before ordering.
The DT544 ships with a CNB550EV2 1800mAh lithium-ion battery and is rated for 13.5 hours on a standard 5/5/90 duty cycle in analogue mode.
Yes. It carries an IP68 rating, tested to 2 metres' submersion for 4 hours.
Related
Key Features: Analogue & DMR Modes 99 Channels, 1 Zone IP68 Submersible (2m, 4 hours) Compliant to MILSTD construction 810C/D/E/F/G Easy to read, high contract white on black OLED display Display channel number & frequency Exceptionally loud & best clarity…
IECEx-certified marine VHF handheld for hazardous areas, with 16 channels, 4W output, IP68 waterproofing and 13.5 hours of battery life.
IECEx-certified UHF DMR handheld for hazardous areas, with 16 channels, 2W output, IP68 waterproofing and up to 19.5 hours of battery life.
IECEx-certified UHF DMR handheld for hazardous areas, with 99 channels, 2W output, IP68 waterproofing and up to 19.5 hours of battery life.
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