Enable your UP board into a IoT gateway. 

With this module, you can add mini-PCI-express 3G/4G module and wifi+bluetooth module.

UP-3GHAT rev 0.2，UP 3G HAT with SIM Slot，include USB Cable

HM dedicated DC-DC step-down module (support 2S ~ 5S lithium polymer), DIY mobile power,
automotive power, communications equipment power supply,
all kinds of size and weight have a demanding occasion.