VRGIII-21412-N 4 Ports 10/100Mbps RJ-45, 2 Ports VoIP FXS, and 1 Port 10/100Mbps RJ-45 or 100Mbps Fiber Optics Uplink VoIP Residential Gateway with IEEE802.11n WiFi

VRGIII-21412-N-RF 4 Ports 10/100Mbps RJ-45, 2 Ports VoIP FXS, and 1 Port 10/100Mbps RJ-45 or 100Mbps Fiber Optics Uplink VoIP Residential Gateway with IEEE802.11n WiFi and Optional CATV RF Receiver

VRGIII-21412SFP-CW-N 4 Ports 10/100Mbps RJ-45 and 2 Ports VoIP FXS and 1 Combo Uplink Port (10/100Mbps RJ-45 and 100Mbps SFP slot ) VoIP Residential Gateway with IEEE802.11n Wi-Fi

VRGIII-21412SFP-CW-N-RF 4 Ports 10/100Mbps RJ-45 and 2 Ports VoIP FXS and 1 Combo Uplink Port (10/100Mbps RJ-45 and 100Mbps SFP slot ) VoIP Residential Gateway with IEEE802.11n Wi-Fi and Optional CATV RF Receiver

VRGIII-31412-N 4 Ports 10/100/1000Mbps RJ-45, 2 Ports VoIP FXS, and 1 port 10/100/1000Mbps RJ-45 or 100/1000Mbps Fiber Optics Uplink VoIP Residential Gateway with IEEE802.11n WiFi

VRGIII-31412-N-RF 4 Ports 10/100/1000Mbps RJ-45, 2 Ports VoIP FXS, and 1 port 10/100/1000Mbps RJ-45 or 100/1000Mbps Fiber Optics Uplink VoIP Residential Gateway with IEEE802.11n WiFi and Optional CATV RF Receiver