Connector details (Rear panel)
LEMO 2 pin connector part number FGG.0B.302.CLAD52Z
Antenna 1 and 2
SMA 3.3v feed to antennas. On the standard SPEEDBOX and the single antenna SPEEDBOX-INS only "RF 1" is connected. On the SPEEDBOX-RTK and the dual antenna SPEEDBOX-INS "RF 1" is connected to the master (rear) antenna and "RF 2" to the supplementary (front) antenna.
Both front and rear expansion ports have the same pinout, they are connected in parallel. 9 way D-type male connector. Only one of the expansion ports should be connected to at any one time - use either the front panel port or the rear panel port but not both simultaneously.