... , the device can produce a FXS line to allow a regular phone to be connected and used just like ... can connect with ordinary telephone set, PBX , VOIP Gateway, Billing meter etc. ;3) Dialing tone frequency:450hz;4) Employ Industrial ... I) Transmission: 1, 710 ~ 1, 785MHz Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz Phone interface: supply RJ-11 Phone InterfaceHanging voltage: 45VPicking ...