Entel HT649 P2 GMDSS MED-certified VHF Marine radio
The HT649 GMDSS is a survival craft radio
certified under the Marine Equipment Directive (MED), featuring the Wheel
Mark for compliance with EU-registered vessels, as well as adherence to the
UK’s Merchant Shipping (Marine Equipment) Regulations 2016. It is engineered
to operate reliably in the harshest maritime environments, meeting the
stringent environmental requirements for GMDSS radios. HT649 P2 –
package of radio with primary one-shot emergency battery, rechargeable Li-ion
battery and drop-in charger.
Package 2 – freq. 156 – 163.275MHz MED GMDSS
The HT649 GMDSS is a survival craft radio certified under the Marine
Equipment Directive (MED), featuring the Wheel Mark for compliance with
EU-registered vessels, as well as adherence to the UK’s Merchant Shipping
(Marine Equipment) Regulations 2016. It is engineered to operate reliably in
the harshest maritime environments, meeting the stringent environmental
requirements for GMDSS radios.
When handling the Entel HT649 GMDSS, you’ll notice the exceptional build
quality. Its rugged, ergonomic design fits comfortably in the hand, and it
delivers exceptionally loud audio output. Additionally, it boasts a
market-leading IP68 rating, meaning it is fully submersible up to 2 meters
for 4 hours.
Key Features
Environmental Protection: The HT649 Series 2.0 GMDSS is rated IP68,
offering protection from dust and full submersion in water (2 meters for up
to 4 hours).
Durability: Compliant with MIL-STD 810C/D/E/F/G standards, the radio’s
commercial-grade construction ensures resilience against shock, vibration,
and the corrosive effects of dust and moisture, guaranteeing long-term,
reliable use.
Battery Options: The standard Primary Lithium one-shot emergency battery
offers a 4-year shelf life, ensuring it’s ready when you need it most. For
extended use, an optional 2200mAh Secondary Li-ion rechargeable battery is
available, offering no ‘memory effect,’ so you can recharge without needing
to fully discharge.
Robust Accessory Socket: The specially designed accessory socket can
withstand rough handling and protects the connector with a shearing bolt to
prevent damage.
Channels: The HT649 supports all International, USA, and Canadian Marine
channels, making it versatile for a range of maritime communication needs.
Convenience Features
Keylock Function: To prevent accidental activation, the radio’s keys and
controls can be locked by the user or automatically by the device.
Scan Feature: The device can scan for active channels, automatically
selecting the most relevant one for you.
HT649 P2 – package of radio with primary one-shot emergency battery,
rechargeable Li-ion battery and drop-in charger.
Technical Specifications
Frequency Range: 156 – 163.275 MHz
Channels: 19 INT, USA & CAN Marine Channels
Channel Spacing: 25 kHz
Communication Method: Simplex / semi-duplex
Antenna Impedance: 50 ohm, Whip/Stubby antenna
Battery Type: Primary – Lithium metal; Secondary – 2200 mAh Lithium-ion
Operating Voltage: 7.6V
Current Drain (nominal): 40mA
Duty Cycle: 17.5 hours (5/5/90)
Microphone: Internal condenser microphone
Operating Temperature: -20° to +55°C
MIL-STD Compliance: MIL-STD 810C/D/E/F/G
IP Rating: IP68 (2 meters depth for 4 hours)
Dimensions: 59.5mm(W) x 130mm(H) x 37mm(D)
Weight: 277g (including battery and aerial)
Transmitter Specifications
Power Output: 1.3W
Frequency Stability: ± 1.5ppm
Modulation Limiting: ± 5.0kHz
FM Hum & Noise: > -40dB
Unwanted Emissions: <0.25µW up to 1GHz; <1µW from 1GHz to 2GHz
Adjacent Channel Power: 70dBc
Audio Response: 300Hz to 3kHz -6dB/Octave
Audio Distortion: 6dBµ for 20dB Sinad
Intermodulation Response: >68dB
Adjacent Channel Selectivity: >70dB
Spurious Rejection: >70dB
Rated Audio Power: 0.5W
Audio Distortion: -40dB
Audio Response: 300Hz to 3kHz -6dB/Octave
Spurious Emissions: <2nW up to 1GHz; <20nW from 1GHz to 2GHz
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