Details about hardware, ratings, capabilities etc. can be found in the Users Manual. The following is a quick reference of the dice pin-outs.
DICE-CPU

DICE-WiFi

DICE-GNSS

DICE-USB

DICE-SD

DICE-RS485

DICE-RS232

DICE-LoRa

DICE-IoT

DICE-IO

DICE-iButton

DICE-ETH

DICE-2CAN

Further information:
Users Manual
Software Reference