Entel HT644 Handheld VHF

Entel HT644 Handheld VHF

Superseding the multi award winning HT series 1.0 was a challenging task considering its success with the fire & rescue services, major blue-chip petrochem organisations, as well as shipping companies worldwide. The HT Series 2.0 HT644 marine portables build upon this success.

Utilising the latest intelligent Lithium-Ion battery technology, these marine portables give you the option of displaying a battery cycle count each and every time you power-on your radio. For your convenience it will even alert you to imminent battery life expiration.
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Submersible to IP68 (5 metres for 1 hour)

Entel is the first manufacturer to offer the superior IP68 specification, whereby we ourselves determine at what depth and for how long our equipment must remain waterproof. Not content with just the standard IP67 entry-level (1 metre for 30 minutes) Entel's IP68 HT series is certified as waterproof-submersible to an unprecedented depth of 5 metres for 60 minutes.

Aware that the smallest tolerances of case size and material variation alone could compromise your radio's waterproof integrity, uniquely, each individual Entel portable is tested on a custom-built air pressure test-jig to ensure it meets the exacting high standards we have set for ourselves.

Meeting MIL-STD 810C/D/E/F commercial grade construction for tough, enduring performance, the Entel's HT and HX series 2.0 portables conform to stringent standards, enabling them to withstand the everyday rigours of shock, vibration and the corrosive effects of dust and moisture, ensuring many years of trouble free use in the most hostile environments.

1800mAh Li-Ion battery

All Entel portables come with the latest intelligent Lithium-Ion battery technology as standard. Whichever model you choose, these batteries will count the number of completed charge cycles, which on LCD variants, if dealer enabled, can be displayed when you power-on your radio.

For your convenience it will even alert you to imminent battery life expiration. Another advantage of Lithium-Ion battery technology is the way it maximizes duty cycles, while the elimination of memory effect means there is no need to fully discharge the cells before recharging. Therefore you are assured a full duty cycle each and every time you take your radio from its charger.
All INT, USA and CAN channels

The HT644 are supplied preprogrammed with all INT, USA and CAN channels.

A completely redesigned accessory connector, when secured to the portable, is designed to withstand any amount of punishment from dropping to careless misuse. Furthermore, the securing bolt incorporates a shearing point to protect the connector. LCD display


LCD display variants offer more information and versatility. For example, the entry level with LCD will display channel names, battery charge count, receive signal strength indicator etc.

The 7-key keypad gives you direct access to functions such as channel scanning, weather channels and channel 16.
Clone data from one radio to another

Low battery warning

When you do eventually use almost all the charge in your battery your radio will conveniently let you know it is time to change or recharge your battery.

As standard the HT644 is supplied with:
CNB750E - 7.4v, 1800mAh rechargeable Lithium-Ion battery pack
Trickle charger
CBH750 - Spring loaded belt clip
High efficiency helical antenna
User manual

Frequency Range 156 - 163.275MHz (HT644)
Channels INT, USA, CAN
Channel Spacing 12.5 kHz / 25 kHz
Communication Method Simplex / semi duplex
Antenna Impedance 50 ohm
Antenna Whip / stubby
Battery Type 1800 mAh Li-Ion battery pack
Power Supply Voltage 7.4V DC
Current Drain (nominal) TBA
Duty Cycle (5/5/90) TBA
Microphone Internal condenser microphone
Operating Temperature -20° to +55°
Size (mm) 59.5(W) x 130(H) x 37(D)
W = 59.5 (62 including protrusions)
H = 130 (145 inc knobs)
D = 37mm (41 including battery protrusions)

Weight 277g with battery and aerial

Power Output HIGH – 5W, LOW - 1W
Modulation 8K0F3E/16K0F3E
Oscillator Method PLL
Frequency Stability < ±0.00025% (±2PPM)
Maximum Deviation ±2.5 kHz(Narrow)/ ±5 kHz(Wide)
Audio Distortion < 5% (1 kHz 60%)
Spurious Emission -68 [dBc]
Hum & Noise -40 [dB]

Receiver Type Double Super Heterodyne type
Sensitivity -0.25uV (12dB SINAD)
Frequency Stability ±0.00025%(±2PPM)
Spurious Rejection -60 dB
Adjacent Channel Selectivity -60 dB (Narrow) , -70 dB (Wide)
Distortion < 3% Typical
Hum & Noise -40 dB
Audio Output 1W
Speaker Size 38 mm

Price: £128.99 (inc vat) - £109.78 (exc vat)

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