A wireless station that includes an access point apparatus detection section which detects a usable access point apparatus from among a plurality of access point apparatuses; an allowance area calculation section which calculates an allowance area according to received signal strength indicator, frequency, and frequency bandwidth of a radio wave transmitted by a rogue access point apparatus whose frequency bandwidth overlaps with that of the usable access point apparatus, as well as according to received signal strength indicator, frequency, and frequency bandwidth of a radio wave transmitted by the usable access point apparatus; and an access point apparatus selection section which selects one access point apparatus based on the allowance area.