Features: 1) Model number: IPPH 204A (1 Ethernet port), IPPH 204B (2 Ethernet ports) 2) Protocol: SIP only 3) LAN interface: 1 or 2 (RJ45 10/100Base-T) 4) Colors: grey or black 5) Dimensions (L x W x H): 20 x 21 x 10cm 6) Weight: 1kg (with packaging) 7) Regulation: CE mark / FCC part 15 class A, B (pending / in-process)