Game Boy Advance Wireless Link Automatically finds other Wireless link units in range Supports up to 4 players per group Small, rugged design includes an integrated antenna Connects through standard link cable port for multiplayer games Operates on one of three channels in 2.4GHz ISM band Automatically finds other Wireless link units in range Supports up to 4 players per group Small, rugged design includes an integrated antenna Connects through standard link cable port for multiplayer games Operates on one of three channels in 2.4GHz ISM band