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HT Series

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HT649
HT系列GMDSS不仅符合MIL-STD 810C/D/E/F,还具备了IP68防水标准。
产品介绍

General

Frequency Range156 - 163.275MHz
Channels19 INT, USA & CAN Marine Channels
Channel Spacing25 kHz
Communication MethodSimplex / semi duplex
Antenna Impedance50 ohm
AntennaWhip / stubby
Battery TypePrimary – Lithium metal
Secondary - 2200 mAh Lithium-ion
Operating Voltage7.6V
Current Drain (nominal)40mA
Secondary Duty Cycle (5/5/90)17.5 hours
MicrophoneInternal condenser microphone
Operating Temperature-20° to +55°C
ConstructionCompliant MIL-STD 810C/D/E/F/G
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 Output1.3W
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 Power70dBc
Audio Response (FM)300Hz to 3KHz -6dB/Octave
Audio Distortion< 5%
FM Modulation16K0F3E

Receiver

Frequency Stability± 0.5ppm
Analogue Sensitivity>6dBµ for 20dB Sinad
Intermodulation Response>68dB
Adjacent Channel Selectivity>70dB
Spurious Rejection>70dB
Rated Audio Power0.5W
Audio Distortion< 5%
Hum & Noise>-40dB
Audio Response300Hz to 3KHz -6dB/Octave
Conducted Spurious Emissions<2nW up to 1GHz, <20nW from 1GHz to 2GHz
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