SR555AC, ADSL2, ADSL2+, VDSL, VDSL2 bonded FTTH modem / router, 802.11b / g / n / ac wireless access point, 4 x Gigabit Ethernet LAN, 1 x Gigabit Ethernet SmartPort (LAN or WAN), 1 x USB 2.0, 1 x USB 3.0, IPv6. Note: ADSL is compatible with all ISP's. VDSL is compatible with Bell and Telus residential VDSL standard and bonded VDSL services ONLY.