WLL RADIO SWITCHING DEVICE INCORPORATING WIRELESS PBX ADAPTER APPARATUS

摘要

PURPOSE: A WWL(Wireless Local Loop) radio switching device incorporating a wireless PBX adaptor apparatus is provided to eliminate the limitation of the number of subscribers to connect as a plurality of subscribers share with a few channels like the keyphone using a wireless portable phone for WWL radio interface unit. CONSTITUTION: A local subscriber domain(100) consists of a radio interface unit(20) and a plurality of wireless portable phones(51-5N). The radio interface unit(20) is equipped with 2 antennas(ANT1,ANT2) which can proceed radio communication with a radio port(3) and the wireless portable phones(51) respectively. The radio port(3) is connected to a plurality of local subscriber domains(100-10N).