Zastone M7 dual band 5W walkie talkie 136-174 400-480mhz 250 channels 2600mah battery hf transceiver ham radio

Zastone M7 dual band 5W walkie talkie 136-174 400-480mhz 250 channels 2600mah battery hf transceiver ham radio

• frequency range：
• power：
• channel：