VX-160V Vertex 136-174Mhz Compact Wireless Interphones Description:1.FrequencyRange:450-470MHz.2.Outputpower:1W/4W3.Channel:164.Channelstep:12.5/25KHz5.Built-inCTCSS/DCSencode/decode6.DTMFANI&Paging7.Multiscan8.Built-invoiceencryption9.BatterySave10.BusyChannelLockout(BCLO)11.Time-OutTimer(TOT)12.Digitalvoicestorageandrollingcodeencryptionoption13.CompatiblewithU.S.militarystandardMIL810C/D/Estandards14.TalkRange:3-5km15.Dimension:Dimensions:58*108.5*30(W*H*D)16.Weight:365g(includebattery)17.P.Cprogramming VX-160V Vertex 136-174Mhz Compact Wireless Interphones