1. Indispensable to tuna purse seiners or long lines.
2. More than 300 KM (160 miles).
3. Super heterodyne crystal and control.
4. Metal packed "ALKALINE" Dry Cell GSB-1.
1. Frequency: 1650khz-4000khz(Tx).
2. Antenna power: 8 Watts.
3. Type of emission: A1A.
4. Call selection system: 4 tone signal series (mechanical filter).
5. Antenna: 3-stage fiber-glass antenna with loading coil.