5km Interphone Walkie Talkie
5km Interphone Walkie Talkie 1.Power: 3W 2.Effective distance: 1~5 KM 3.Frequency: 400-430 450-470 MHZ
5km Interphone Walkie Talkie1.Power: 3W2.Effective distance: 1~5 KM3.Frequency: 400-430 450-470 MHZ
5km Interphone Walkie Talkie