The NRF51422-QFAB-T is an RF transceiver IC type TxRx + MCU. It has a package of tray and a standard package of 490. It has a mounting of SMD (SMT) and a frequency of 2.4GHz. The protocol is ANT and Bluetooth v4.0. The memory size is 128kB flash and 16kB RAM. The power output is 4dBm and the sensitivity is -96dBm. The data rate (max) is 2Mbps. The current - receiving ranges from 12.6mA ~ 13.4mA. The RF family/standard is Bluetooth, General ISM > 1GHz. The modulation is GFSK and the serial interfaces are I2C, SPI, and UART. The GPIO is 32 and the current - transmitting ranges from 5.5mA ~ 16mA. The voltage - supply ranges from 1.8V ~ 3.6V. The package/case is 48-VFQFN Exposed Pad. The MSL level is 2 (1 Year) and the HTSUS is 8542.39.0001.