... .bis, ATM ALL5, NAT, PPPoA, PPPoE, IP Camera Extender IP Network Camera Extender 1.OverviewFBDSL1000 series IP Camera Extender is a high quality ... the three interfaces in one device. Its transmission distance is extended to 4km by 1-pair twist pair at 2M speed ... pair wire, 10/100Mbps Ethernet & E1 & V.35 port, Standalone IP Network Camera Extender