The transmitter and receiver For the transmitter, he turned an Arduino Pro Micro into a USB sound card which he could plug into his laptop.

Mouser is stocking both chips and three evaluation kits, all of which come with an ATA8520D transceiver, temperature sensor, and 868 MHz antenna as well as SIGFOX ID and PAC code: ATA8520-EK1-E ...

AtmelCorporation (www.atmel.com) has combined an 8-bit AVR flash microcontroller with an RF transmitter in two new devices that target tire pressure monitoring systems.