... Network:EVDO( CDMA2000),WCDMAKD-DS102DTWired,2channel, D1KD-DS102DT-WWireless,2 channel, D1KD-DS102DT-3G2 channel, D1, support 3G Network ... p, impedance: 75Ω,Audio CompressionG.726, G711, ADPCMAudio Input1/2/4 channel, RCA port, liner input, Impedance:1KOhmsAudio Output1channel ... CDMA, GPRS mobile network. supports 802.11b/g protocol, 2.4GHz, maximum wireless distance can be 100 meters, Supports WEP,WPA ...