1. Support: IEEE 802.11g, IEEE 802.11b, IEEE 802.3, IEEE 802.3u, IEEE 802.3x, CSMA / CA, CSMA / CD, TCP / IP, DHCP, ICMP ... is BCM6358-based b/g/n router, branded for/by Vodafone. 3 USB ports, one preconfigured for a 3G modem ... , outdoor 300 meters far3: Support: IEEE 802.11g, IEEE 802.11b, IEEE 802.3, IEEE 802.3u, IEEE 802.3x, CSMA / CA, CSMA / CD ... x 110mm x 32.5mm vodafone HG556a 3G wireless router