Entel HT649 P2 GMDSS MED-certified VHF Marine radio

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: < 5%
• FM Modulation: 16K0F3E

Receiver Specifications

• Frequency Stability: ± 0.5ppm
• Sensitivity: >6dBµ for 20dB Sinad
• Intermodulation Response: >68dB
• Adjacent Channel Selectivity: >70dB
• Spurious Rejection: >70dB
• Rated Audio Power: 0.5W
• Audio Distortion: < 5%
• Hum & Noise: > -40dB
• Audio Response: 300Hz to 3kHz -6dB/Octave
• Spurious Emissions: <2nW up to 1GHz; <20nW from 1GHz to 2GHz