Specifications: 1) Model no.: GATE 300 2) Protocol: SIP, compatible with asterisk (IAX2) 3) LAN interface: 2 x RJ45 10/100Base-T 4) Color: grey 5) Dimensions (L x W x H): 14.6 x 8 x 3.2cm 6) Weight: 0.65kg (with packaging) 7) Regulation: CE mark / FCC part 15 class A, B