61 d and 61 a respectively containing modules 50 d and 50 e respectively basic telephone service is retained by employing low pass filters lpf 21 d and 21 a in outlets 61 d and 61 a respectively the lpf 39 s are coupled to telephone connectors 12 d and 12 a respectively enabling connection of telephone devices this is illustrated by a telephone 13 a connected by connector 14 a to connector 12 a in outlet 61 a a dichter type data communication network is established by connecting data terminal equipment dte via a modem and hpf as illustrated by dte 24 b connected to dce 23 b which is coupled to hpf 22 b which is in turn directly coupled to telephone wiring 5 via connector 12 b in outlet 11 b the non wired part of network 60 is based on radio frequency transmission utilizing a pair of rf transceivers 53 fig5 as shown in fig6 dte 39 s 24 d and 24 a are coupled to rf transceivers 53 c and 53 b respectively in turn each such rf transceiver communicates with rf transceivers 53 d and 53 a respectively which are integrated within outlets 61 d and 61 a respectively integrating the wired and non wired segments of the network is accomplished by modules 50 d and 50 e each of which is illustrated by module 50 e in fig5 modules 50 d and 50 e are integrated within outlets 61 d and 61 a respectively each such module interfaces the wired segment of the network by a telephone modem each such modem contains a high pass filter.