1.repeater, base station ,transceiver KENWOOD TKR- 720/820radios/transceiver 2.Max talk range: 50km 1.repeater, base station ,transceiver KENWOOD TKR-720/8202.Frequency: M2136-150MHZ,M150-174MHZM4400-420MHZ,M450-470MHZ3.Channel: 14.Power: 50W / 20W 5.Power supply: 220V VC 50/60HZ6.Working temperature: -30 - 607.Size: 330 x 120 x 383 mm 8.Weight: 13kg 9.CTCSS10.LED display