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VHF DSC (Class-A)

  • China (Mainland)

  • Deyuan

  • export packing


1.DSC system(DSC 70 channel watch)
2. Class A standard
3. Output power: 25w/1w
4. High quality


VHF DSC (Class-A)

(1) Main function

1.General call 
2.DSC System(DSC 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 
8.Received signal strength indication 
9.FM (88-108MHZ) Radio receiver 
10.Timing alarm cloc
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 Range:Tx:156.025-157.425MHz 
Modulation method:FM(16K0G3E)DSC(16K0G2B) 
Receiving system:Superheterodyne double conversion 
Frequency tolerance:±10ppm(-20+60) 
Power Supply voltage:DC13.8V(±15%) 
Antenna impedance:50Ω 
Output impedance:(Audio)8Ω 
Input impedance:(Microphone)2KΩ 


2.Transmitter Specifications

Output power: 25W / 1W 
Modulation limit:≤ ±5KHz 
Modulation sensitivity:17mV±10mV 
Audio distortion:≤ 7% 
Adjacent Channel Selectivity:≥70dB 
Spurious emissions:≤ -53dB 
Residual modulation:≥40dB
Tx Current consumption:High power ≤ 6.0A , Low power ≤ 1.5A(DC13.8V) 


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)