Features: 1) Broadband phone adapter has 2 FXS port 2) Built-in DHCP / NAT router 3) Supports fax (T.38) 4) Compact and ultra-light weight 5) Superb sound quality and feature packed functionalities 6) Inexpensive: best choice for ITSP service bundles 7) Good for home and office use Specifications: 1) Model no.: GATE 103 2) Protocol: SIP only 3) LAN interface: 2 x RJ45 10 Base-T 4) RJ11 ports: 2 ports 5) Colors: white Outer packing: Dimensions (L x W x H): 10 x 9 x 2cm G.W.: 0.35kg