For precise time synchronisation of master clocks and almost any electronic device or computer capable to read-in the time/date information as DCF77 Time code (current loop, UTC). The GGPS4500 is constructed as an all in one device. That means antenna and receiver module are both located in the high quality outdoor case. UV-protected 4 wire cable for power supply and time code transmission. The miniaturised concept simplifies the mounting and commissioning of this new generation of satellite time signal receivers.