The S108 is a passive GPS/GNSS Antenna Distribution System with one end input and 8 end outputs. Usually, the signals received by the active GPS receiving antenna are equally distributed to 8 outputs.
The S108 is a GPS splitter which do not need the power. It pickt up the power from the GPS Receivers, such as the BBU devices. The power supply of S108 is the RF DC power supply provided by the BBU equipment at the output port, usually it is a 5V DC. As long as one RF port has the RF DC power supply, it can work.
The S108 is a GPS antenna sharing device with one input and eight output. Its function and configuration are changeable. It can be used as slave or independent host in BBU room.