FRONT PANEL
USB
 Connection to PC for configuration
REAR PANEL
Modem - Serial RTCM format output to receiver / radio modem
SIM Card Socket for SIM card for network access
4G Main
 Main antenna for network connection
4G Aux
 Optional antenna to improve reception for network connection
GPS GNSS antenna connection  - GPS, GLONASS, Galileo, BeiDou
Power Lemo connector for power input