I have Designed a Sigfox device with Atmel ATA8520E & SKY65378-11 for LNA with 50 ohm Trace. I am struggling with Uplink & Downlink the signals from sigfox to Emulator. I am using SNEK emulator because i am from India we are not having sigfox base stations. In ATA8520E datasheet the uplink modulation is DBPSK & downlink GFSK. anyone can knows kindly share your Ideas.