You may want to find something a bit easier...there was no instructions packaged with the one I received. I bought a sim That Is to work its a nano .... there is no info as to what programs that one could use to operate the 4g LTE. no videos on how to use this product. No videos on suggested use. Honestly my advice is pass on this company s Hat ....No Info for a NEWbee... "This stunts the Growth of New user" Read more

Fan is missing a screw and nut Read more

No instructions came with it we dont know where to plug in which GPIO should i used and trust me im not a newbie Read more

This board works exclusively over USB. If you are a beginner, this is how you get it working on Raspberry Pi with Raspbian in command line: sudo apt install python3 sudo apt install pip sudo apt install minicom //Look up your modem's documentation to use AT Commands sudo pip install nmcli sudo pip install mmcli sudo nmcli connection add save yes type gsm con-name apn sudo nmcli con up gsm Visit MMCLI documentation page for more on modem operation. sudo mmcli -m 0 enable SMS: sudo mmcli -m 0 --messaging-create-sms=number"RECIPIENTNUMBER",text="YOURMESSAGE" --(returns storedAddress)-- sudo mmcli -s --send sudo mmcli -m 0 --messaging-delete-sms=/org/freedesktop/ModemManager1/SMS/ sudo mmcli -m 0 --messaging-list-sms (add -J to output in JSON format) Read more

Many reviews call this out as not working or not having instructions, but this works brilliantly! It's up to you to find out the GPIO layout of YOUR board to know where to plug your leads for the fan. 60 seconds to lookup GPIO layout, plugged the fan it. Works great! Read more