1. Electricity saved.
2. One fifth power of radio buoy, strict confidential, low risk of interference and stealing.
1. Use with Sel-Call Buoy: (1) Electricity save: one fifth power of Radio Buoy. (2) Strict confidential. (3) Low risk of interference and stealing.
2. 99 memories of Sel-Call Buoy.
3. This machine can transmit individually and switch with two SSB.
4. Easy to operate.