5km interpoone walkie talkie
interpoone walkie talkie 1.power: 3w 2.effective distance:1-5 km 3.frequency:400-430 450-470MHZ
interpoone walkie talkie1.power: 3w2.effective distance:1-5 km3.frequency:400-430 450-470MHZ
5km interpoone walkie talkie