Entel HT644 Marine Portable Radio

Suppiler: Entel
Key Features

The HT644 has been designed specifically for those requiring a no compromise marine portable. From the rugged ergonomic design that fits comfortably in your hand, to the exceptionally loud audio, the HT644 Series 2 portable easily outclasses the competition. The HT644 Series 2 portable is built to MIL-STD 810C/D/E/F for tough enduring performance and in addition and is fully Submersible to IP68 (2 meters depth for 4 hours)

FEATURES

  • 2000mAh Li-Ion battery
  • Robust accessory socket
  • Channels – the HT644 portable provides all INT, USA & CAN Marine channels.
  • Keylock – to avoid accidental operation your radios keys & controls can be locked by the user or, if set, automatically by the radio.
  • VOX hands free (with audio accessory)
  • Scan – the HT644 Series portable has the facility to scan for an active channel. When the channel is found, the radio will automatically select the channel for you.
  • Environmental protection to IP68 (2 Meters for 4 hours)
  • The practical HT644 Series 2.0 portable enjoys an IP68 (2 Meters for 4 hours) rated construction, which means that they are dust protected and fully Submersible.
  • Meeting MIL-STD 810C/D/E/F and providing commercial grade construction for tough, enduring performance.
  • Entel’s HT644 Series 2.0 portable conforms to stringent standards, enabling it to withstand the everyday rigours of shock, vibration and the corrosive effects of dust and moisture, ensuring many years of trouble free use.
  • RRP £179.00

 

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SKU: HT644

Description

HT644 Specifications

 

General

Frequency Range 156 – 163.275MHz
Channels All INT, USA & CAN Marine Channels
Channel Spacing 25 kHz
Communication Method Simplex / semi duplex
Antenna Impedance 50 ohm
Antenna Whip / stubby
Battery Type 2000 mAh Li-Ion battery pack
Power Supply Voltage 7.4V DC
Current Drain (nominal) 40mA
Duty Cycle (5/5/90) 12.5 hours
Microphone Internal condenser microphone
Operating Temperature -20° to +55°C
Construction MIL-STD 810C/D/E/F
IP Rating IP68 (2 meters depth for 4 hours)
Size (mm) 59.5(W) x 130(H) x 37(D)
Weight 277g with battery and aerial

Transmitter

Power Output High – 5W / Low – 1W
Modulation 8K0G3E/16K0G3E
Oscillator Method PLL
Frequency Stability 2.5PPM
Maximum Deviation ±5 kHz
Audio Distortion < 5% (1 kHz 60%)
Spurious Emission -68 [dBc]
Hum & Noise -40 [dB]

Receiver

Receiver Type Double Super Heterodyne type
Sensitivity -0.25uV (12dB SINAD)
Frequency Stability 2.5PPM
Spurious Rejection -60 dB
Adjacent Channel Selectivity -60 dB (Narrow) , -70 dB (Wide)
Distortion < 5% (1 kHz 60%)
Hum & Noise -40 dB
Audio Output 1W