Bluetooth ® 5.1,IEEE802.15.4-2006,2.4GHztransceiver •-97dBmsensitivityin1MbpsBluetooth ® lowenergymode •-104dBmsensitivityin125kbpsBluetooth ® lowenergymode(longrange) •-20to+4dBmTXpower,configurablein4dBsteps •On-aircompatiblewithnRF52,nRF51,nRF24L,andnRF