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HT 640

Product catalog summary

Overview: The HT640 by Entel is a robust and reliable submersible transceiver designed for challenging environments, particularly at sea. It offers high performance with a focus on durability and ease of use.

Specifications: The HT640 operates within a frequency range of 156.000 to 163.275 MHz and supports all international, USA, and Canadian channels. It features a 7.4 VDC operating voltage and a temperature range of -20°C to +50°C. The device has a standby current drain of 60mA and a transmit current drain of 1.5A on high power.

Power and Battery: The transceiver delivers 5 watts of RF power on high and 1 watt on low, with a 15-hour duty cycle using the CNB640E 7.4v, 1800mAh lithium-ion battery. The battery technology avoids memory effect and retains charge longer than traditional batteries.

Durability: Conforming to IP68 standards, the HT640 can withstand immersion in water up to 5 meters for 60 minutes. It meets MIL STD 810C/D/E ratings for resistance to shock, vibration, and corrosion.

Features: The HT640 includes a built-in voice scrambler for secure communications, a battery life indicator, and VOX for hands-free operation. It supports ultra-fast MEM® scanning and can store 36 private channels.

Audio and Ergonomics: The device uses compander noise reduction technology for superior audio quality. It is designed with large rubber armoured controls for easy handling, even with gloves.

Accessories: The HT640 comes with a range of accessories including a flexible antenna, charger pod, mains adaptor, and various earpieces and microphones for different operational needs.

Technical Performance: The transceiver offers a sensitivity of -119dBm, intermodulation of >68dB, and audio output power of 500mW. It maintains a high signal-to-noise ratio and selectivity, ensuring clear communication.

Catalog excerpts

HT640 features Powerful Delivers a full five watts RF power on high power, switchable to one watt low power should you wish to conserve battery life. Submersible At Entel we pride ourselves on engineering our transceivers to the highest specification necessary to protect against the likely hazards encountered in any field of operation.This is why our HT Series conforms to European Standard IP68 – withstanding total immersion in water to a depth of 5 metres for 60 minutes - giving you total protection and peace of mind. Battery Life Indicator Continually monitors battery state for your safety...

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CSB640E Six pod intelligent rapid charger, I 10-230v EPT40/640 Bone conductive earpiece microphone MSPO1/640 Crash helmet earpiece mie CXW640 Antenna adaptor for external aerial connection EHP640 Covert style earpiece For the latest range of accessories visit www.entel.co.uk

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technical specifications Frequency range Private channels Operating voltage Temperature rang Current drain: All currently allocated International, 296g (with battery and aerial) Frequency stability Maximum deviation Spurious emissions Signal to noise ratio Channel spacing 5 Watt (high) I Watt (low) Supplied Accessories Flexible antenna Spring loaded belt eli User manual United Kingdom Email: [email protected] Spurious response Audio output power 500mW (<5% distortion) Spurious emissions Your local professional dealer

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All Entel catalogs and brochures

Archived catalogs

User Guide
24 Pages
HT Series 2.0
4 Pages