... Sub phone,Base Station,PBX,Wireless Exts Board. 2.4G Wireless PBX System is based on the digital PBX System, which consists of ... /10D/10D-A,option)3) Mobile phone of 2.4G Digital wireless key phone(Called “Sub Phone”,such as WS824-V006H,Moto ... C601ZC)4) The landline of 2.4G Digital wireless key phone(Called“Base Station”,Such as WS824-V400B)Product ...