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| Technical details | |
| Producer: | Entel UK Limited (UK) |
HT649 GMDSS portable is MED certified and carries the essential Wheel Mark logo. For those requiring a full featured GMDSS portable, with high visibility back-lit LCD, the HT649 is the most advanced GMDSS portable available.
From an established generation of commercial grade products the HT Series 2.0 is designed to endure any emergency situation in the most hostile marine environment. Not just compliant with MIL-STD 810C/D/E/F, the HT Series GMDSS also exceeds the MED's IP67 submersibility requirement (1m – 30 minutes) Our GMDSS portables are uniquely approved to IP68 (5m – 1 hour).
Submersible to IP68 (5 metres for 1 hour)
MILSTD 810C/D/E/F
2000mAh Li-Ion battery
Flash upgradeable to add future features
19 channels
Robust accessory socket
7-key entry model
Voice annunciation (option)
Bluetooth™ wireless communications (option)
Clone data from one radio to another
Low battery warning
VOX hands free (with audio accessory)
Battery charge count
Photo: Entel
General
Frequency Range 156 - 163.275MHz (HT649)
Channels International, Canadian & USA
Channel Spacing 25 kHz
Communication Method Simplex
Antenna Impedance 50 ohm
Antenna Helical
Battery Type 2000 mAh Lithium battery pack
Power Supply Voltage 7.4V DC
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
Transmitter
Power Output 1.3W
Modulation 16K0G3E
Oscillator Method PLL
Frequency Stability < ±0.00025% (±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 ±0.00025%(±2PPM)
Spurious Rejection -60 dB
Adjacent Channel Selectivity -70 dB
Distortion < 3% Typical
Hum & Noise -40 dB
Audio Output 1W
Speaker Size 38 mm
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