A COMMUNICATION APPARATUS, A COMMUNICATION ARRANGEMENT AND A COMMUNICATION METHOD

摘要

Apparatus for controlling push-to-talk communication over a professional mobile radio includes a control portion including a first optical transceiver portion for converting an optical downlink signal into an electrical downlink signal for presentation to a user and for converting an electrical uplink signal into an optical uplink signal for provision to a radio portion; one or more interface portions, each connected to the control portion by an optical link, each connectable to a respective radio portion by electrical connection, which radio portion enables communication via a respective wireless communication link over one or more communication channels, each interface portion including a second optical transceiver portion for converting a downlink signal received from the respective radio portion as an electrical signal into the optical downlink signal for provision to the control portion and for converting the optical uplink signal into an electrical uplink signal for provision to the respective radio portion.