VHF DSC (Class-A)

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Details

VHF DSC (Class-A)

(1) Main function

1.General call
2.DSC SystemDSC 70 Channel Watch
Distress call
Distress acknowledgement call
Distress relay call
Individual call
Position request call
Position to send call
Individual acknowledgement call

Group Call
All ships call
Sea area call
Semi-automatic telephone service
3.Collision Avoidance alarm display
4.All US, International and Canadian , 10 Weather Channel
5.Priority scan
6.Dual-Watch
7.Tri-Watch
8.Received signal strength indication
9.FM (88-108MHZ) Radio receiver
10.Timing alarm clock
11.Extend speaker louder function
12.User-program channel group
13.64 waypoints stored
14.Navigation function
15.Automatically record incoming messages
Distress messages: 32
Other messages: 32
Collision Avoidance alarm messages: 72

(2).Technical Specifications

1.Overall Specifications
Frequency RangeTx156.025-157.425MHz
Rx156.025-163.275MHz
Modulation methodFM16K0G3EDSC16K0G2B
Receiving systemSuperheterodyne double conversion
Frequency tolerance±10ppm-20+60
Power Supply voltageDC13.8V±15%
Antenna impedance50Ω
Output impedance:(Audio
Input impedance:(Microphone2KΩ
DimensionsW220×H110×D109
weight1350g±2%

2.Transmitter Specifications

Output power: 25W / 1W
Modulation limit:≤ ±5KHz
Modulation sensitivity17mV±10mV
Audio distortion≤ 7%
Adjacent Channel Selectivity≥70dB
Spurious emissions≤ -53dB
Residual modulation≥40dB
Tx Current consumptionHigh power ≤ 6.0A , Low power ≤ 1.5ADC13.8V

3.Receiver Specifications

Reference sensitivity:≤ 0.25uV(12dB SINAD)
Squelch sensitivity:≤ 0.15uV
Modulation receiver bandwidth:≥ 2×5KHz
Deep squelch blocking threshold:≥ 5KHz
Adjacent channel selectivity:≥ 65dB
Intermodulation rejection ratio:≥ 58dB
spurious response:≥65dB
Audio output power:≥ 2W(8Ω)
Audio distortion:≤ 7%
GPS Output format:NMEA0183(2.0 or 3.01)
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