Any project that use RF communication on sub-1GHz bands like 315 MHz, 433 MHz, 868 MHz or 915 MHz (depending on your location, usege of some of these frequencies is prohibited in some countries).
Any project that use RF communication on sub-1GHz bands like 315 MHz, 433 MHz, 868 MHz or 915 MHz (depending on your location, usege of some of these frequencies is prohibited in some countries).
