Netis DL4322D Wireless N300 ADSL2+ Modem Router, 2.4Ghz 300Mbps, 802.11b/g/n, Splitter, 5dBi High Gain Detachable Antenna High speed ADSL2+ modem, 4-port NAT router and wireless N access point in one device ADSL2/2+ standards ensuring high-speed Internet access up to 24Mbps downstream Excellent wireless N speed up to 300Mbps with 5 dBi detachable antenna Port mapping function ensuring wonderful IPTV experience Built-in firewall to safeguard home network from potential Internet attacks IPv6 supported for improved network usability and experience 4KV super lightning protection to avoid device damage caused by tough thunderstorms Ethernet WAN offers additional connectivity option for Cable or Fiber modem