... .11b/g(WEP/WPA/WPA2 encryptionaa Standard H.264 video compression G.711 audio compression Support D1, Half D1, AST-9301DMain Features ... web server, support web browser configure update Support two-way audio Support snapshot, record, replay Support RS232 and RS485 (PTZ) interface ... (W) *148H) *120(D) WeightNW:0.65kg GW:1.12kg wireless WIFI IP Video Server whith 1 CH Model AST-9301D-W