(1).Main function

1.General voice calls 
2.4Channel watch(221,231,236,238Channel) 
3.Dual mode operation(300 baud rate ASK,1200 baud rateMSK) 
4.Distress call 
5.Individual Call 
6.Fast call 
7.Group Call 
8.Request vessel position report 
9.Timing and manually ship's position report 
10.HF/VHF telephone relay call feature 
11.Receiving all ship call, sea area call and weather warnings information 
12.Receives GPS positioning instructions 
13.GPS Navigation function 
14.AM radio receiver function 
15.Voice encryption capabilities (optional) 
16.Ship no. storage function 
17.Automatically record incoming messages 
18.Full channel scan 
19.Timing turn on the radio function 
20.Timing clock alarm function 
21.Low-voltage alarm function 
22.Memory channels 
23.Waypoint storage function