Multiprotocol ANT / Bluetooth Low Energy (BLE) module , released by XunTong Technology. The modules designed with nRF51422-QFAA-R from NORDIC, high performance and ultra low power consumption, can easily be added in your design and accelerate your development process. nRF51422 is an ultra-low power 2.4 GHz wireless System on Chip (SoC) integrating the nRF51 series 2.4 GHz transceiver, a 32 bit ARM Features: Worldwide 2.4G ISM Band, 250 kpbs/1 Mbps/2 Mbps on-air data rate options ARM® Cortex™-M0 32 bit processor, 256 kB flash memory, 16 kB RAM. TX Power -20 to +4 dBm in 4 dB steps -90 dBm sensitivity in ANT mode -90 dBm sensitivity in Bluetooth® low energy mode 10.5 mA peak TX (0 dBm), 13 mA peak RX,RSSI (1 dBm resolution) Flexible real-time counter and Two 16 bit and one 24 bit timers with counter mode Rich set of digital interfaces including: SPI, 2-wire , and UART Programmable Peripheral Interconnect(PPI) 32.768 kHz crystal on board 8/9/10 bit ADC – 8 configurable channels AES encryption /decryption accelerator Minimum Size about 26mmX19mmX2mm with Antenna, 1.27mm pin pitch The module design with nRF51422-QFAA-R Specification: Applications： Personal Area Networks Health/fitness sensor and monitor devices Medical devices Key-fobs + wrist watches Remote control toys Home/industrial automation Environmental sensor networks Active RFID Personal Area Networks Health/fitness sensor and monitor devices Medical devices Key-fobs + wrist watch Remote control toysDatasheet Technical support：shenzhen@freqchina.com