Apple M8799LL/A AirPort Extreme Base Station with Modem and Antenna Port [OLD VERSION] Exchange files or play multiplayer games at data transfer rates of up to 54 Mbps Compatible with the industry-standard 802.11b wireless networking protocol Range of up to 50 feet at 54 Mbps and up to 150 feet at 11 Mbps Supports USB or Ethernet wireless printer sharing Includes built-in v.90 modem with an RJ-11 port and an external antenna port