Quad Band DBL 16 Channels Goip GSM Voip Gateway SIP Ip PBX Support SIM Bank Quad Band GSM 16 Gateway 16 channel GSM Voip gateway Goip The GSM Fixed Wireless Terminal 16 ports Gateway GoIP-16 is a 16 SIM Card Broadband Phone Gateway Multiple GoIP16 grouping mode, 	Provide one cellular channels for IP-PBX GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz Power: Input AC100V ~ 240V, output DC12V/2A +-10% , Power consumption: 32W maximum ,Network card: 100/10Base-T x2