A central test radio frequency system for emergency lighting comprising a
set of emergency light units or emergency lamps (L1-L13) and a remote
control unit (CU) that manages the system's functionality, wherein each
of said emergency lamps (L1-L13) has a radio transmitter-receiver (MR),
which is able to communicate to each of said emergency lamps and to the
remote control unit (CU) via radio signals.