Apparati, methods, and computer readable media for facilitating the quick and inexpensive conversion of a wired computer network into a wireless computer network. The resulting wireless network comprises at least two portable computers (21) adapted to communicate with each other via radio. At least one of said portable computers (21) comprises a wired protocol module (26) enabling the portable computer (21) to communicate using a wired protocol; a wireless adapter (36) for converting the wired protocol to a wireless protocol; and an antenna (17) coupled to the wireless adapter (36).