There are inexpensive modules like the SX1278 that can handle this for you using LoRa modulation, but they haven’t been handy to use with an Arduino ... in other wireless technologies, we ...

Then, an Arduino board might be exactly what you ... The Rev3 does support wireless communication protocols like Wi-Fi and Bluetooth, though. However, additional components -- a Wi-Fi shield ...

Featuring 2.4 Ghz wireless communication, a 384×160 LCD, and a full QWERTY keyboard, schools paid around $100 each for them 2010. Now selling for as little as $5 on eBay, these Arduino ...