2x board with receiver, 1xRTK-Engine
REC-NN
2x board with receiver, 2x radiomodem module, 1xRTK-Engine
REC-2RF
2x board with receiver, 2x radiomodem module, 2x bluetooth module, 1xRTK-Engine
REC-2RF2BT
2x board with receiver, 2x bluetooth module, 1xRTK-Engine
REC-2BT
