• HT644-Waterproof Marine Radio

HT644-Waterproof Marine Radio

Entel HT644 Walkie Talkie

Waterproof Marine Radio

IP68 Waterproof 

VHF 156 - 163.275MHz


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The first time you handle Entel HT644 Series 2.0 portable you will be impressed by its superior build quality. 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).

Entel’s HT644 Series 2 portable will exceed the expectations of even the most experienced radio user.


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.


MILSTD 810C/D/E/F
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.


2000mAh Li-Ion battery
The HT644 Series 2.0 portable is 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 there is no need to fully discharge your battery before recharging. Therefore you are assured a full charge each and every time you take your Entel battery from its charger.


Robust accessory socket
The 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. Furthermore, the securing bolt incorporates a shearing point to protect the connector.


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)
When using an Entel VOX enabled audio accessory, your HT644 portable can operate totally hands free. All you need to do is talk and the HT644 portable will automatically transmit for you.


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.


General
Frequency Range156 - 163.275MHz
ChannelsAll INT, USA & CAN Marine Channels
Channel Spacing25 kHz
Communication MethodSimplex / semi duplex
Antenna Impedance50 ohm
AntennaWhip / stubby
Battery Type2000 mAh Li-Ion battery pack
Power Supply Voltage7.4V DC
Current Drain (nominal)40mA
Duty Cycle (5/5/90)12.5 hours
MicrophoneInternal condenser microphone
Operating Temperature-20° to +55°C
ConstructionMIL-STD 810C/D/E/F
IP RatingIP68 (2 meters depth for 4 hours)
Size (mm)59.5(W) x 130(H) x 37(D)
Weight277g with battery and aerial


Transmitter

Power OutputHigh – 5W / Low - 1W
Modulation8K0G3E/16K0G3E
Oscillator MethodPLL
Frequency Stability2.5PPM
Maximum Deviation±5 kHz
Audio Distortion< 5% (1 kHz 60%)
Spurious Emission-68 [dBc]
Hum & Noise-40 [dB]


Receiver

Receiver TypeDouble Super Heterodyne type
Sensitivity-0.25uV (12dB SINAD)
Frequency Stability2.5PPM
Spurious Rejection-60 dB
Adjacent Channel Selectivity-60 dB (Narrow) , -70 dB (Wide)
Distortion< 5% (1 kHz 60%)
Hum & Noise-40 dB
Audio Output1W



  • Q:What are the advantages of the Ocean one walkie-talkie?

    A: 1, Ocean one walkie-talkie is a marine radio brand, specialized production and sales of maritime radio, high professional 2, anti-salt fog anti-corrosion material, in line with the marine environment. 3, Ocean one walkie-talkie through the European ATEX explosion-proof certification, IP68 waterproof certification, CE certification, FCC certification, RoHS certification. 4. Stable performance and reliable quality. The Ocean one brand walkie-talkie includes a waterproof walkie-talkie and an explosion-proof walkie-talkie. The waterproof walkie-talkie has an IP68 rating and can float in the water. The explosion-proof walkie-talkie level reaches the IIB T4 explosion-proof level. 5, the price is reasonable, there is a competitive advantage. 6, Ocean one radio is HZH own production and sales of the brand, you can be agents of our products, becoming Ocean one walkie-talkie agent You can send us an email to info@hzhmarine.com to contact us.

  • Q:Can I represent the walkie-talkie of HZH?

    A: Yes, you can become the agent of HZH's Ocean one walkie-talkie. You can send us an email to info@hzhmarine.com to contact us.

  • Q:Which brand walkie-talkies does HZH sell?

    A: HZH sales of walkie-talkie brands are Ocean one, Entel, Standard Horizon, Motorola, ICOM and so on. The Ocean one walkie-talkie is a brand that HZH has produced and sold. Entel, Standard Horizon, Motorola, ICOM are the agent brands of HZH. You can send us an email to info@hzhmarine.com to contact us.

Contact

  • Guangzhou Head Office
  • NO.268 Maogang Road Huanpu Guangzhou China
  • Branch Office
  • No.681 Dongtang Road Pudong Shanghai China
  • No. 93 Huanghe dong Road Huangdao Qingdao China
  • +86 20 8236 9196
  • +86 138 2648 6745
  • info@hzhmarine.com

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