AT86RF2xx supports high data rates in O-QPSK mode. This is a proprietary feature, so data rates > 0 are only supported by other AT86RF2xx devices. high_rate 0: 250 kbit/s (IEEE mode) high_rate 1: 500 kbit/s high_rate 2: 1000 kbit/s (compatible with at86rf215) high_rate 3: 2000 kbit/s