Features: 1) Broadband phone adapter, with FXO port function 2) Built-in DHCP / NAT router 3) Supports fax 4) Superb sound quality 5) Best choice for ITSP service 6) Protocol: SIP 7) LAN interface: 2 x RJ45, 10 base-T 8) RJ11 ports: 2 9) Color: white 10) Dimensions (L x W x H): 10 x 9 x 2cm 11) Standards: CE mark / FCC part 15 class A, B Outer packing: G.W.: 0.35kg