SIM800C GSM/GPRS Shield V2.0 [Discontinued] USB Style_Mini-USB Feather combines USB connectivity

Feather combines USB connectivity

There's access to all inputs and outputs so you can easily build out your BBB with accessories

at least for us

especially big stuff you need to heat up fast or that have a heat-sink attached

battery pack and recharger

SIM800C GSM/GPRS Shield V2.0 [Discontinued] USB Style_Mini-USB Feather combines USB connectivityWith popularization of the concept of the Internet of things (IoT), more and more people want to know and make their own IoT device. The common WiFi cannot satisfy the mobile application scenarios, while the emerging NB IoT network has a limited coverage area, so the most popular 2G network becomes one of the best choices at present. DFRobot has updated the former GSM GPRS expansion board, using the same series SIM800C GSM GPRS chip as Mobike, in