SigFox
- ATA8520：Single Chip SIGFOX compliant 868 MHz Transmitter for EU (ETSI) uplink operation
- ATA8520D：Single Chip SIGFOX compliant 868 MHz Transceiver for EU (ETSI) up- and downlink operation
- ATA8520E：Single Chip SIGFOX™ compliant Dual Mode RF Transceiver for EU (ETSI) 868MHz and US (FCC) 902MHz operation, up- and downlink
