Navilock gps pda receivers have an md6 universal connector the connection assignment of this connector is identical for the u blox sony glonass and sirf chipsets to connect the gps receiver to a serial port you need this specific connection cable it is connected to the power supply with the ps2 socket of the notebook tablet pc or similar the ps2 connection is a pure power connection and does not route any data channels the data protocol is made available via the sub d9 connector