ITEM NAME:HW-651 Bluetooth 4.0 Wireless Module BLE 4.0 NRF51822 Chip 2.4G ULP Board #JT1 Product Description Description: HW-651 2.4G Bluetooth 4.0 Wireless Module BLE 4.0 NRF51822 Chip ULP Digital Board Description: The NRF51822 is a multiprotocol, single-chip solution for ultra-low power wireless applications (ULP wireless applications). It integrates Nordic's latest technology wireless transmitters while supporting Bluetooth (R) low power and a 2.4 GHz protocol dedicated battery. Specification: Master Chip: NRF51822 Communication Distance: 30m/98.42ft (.The NRF51822 is a multiprotocol, single-chip solution for ultra-low power wireless applications (ULP wireless applications). Master Chip: NRF51822. It integrates Nordic's latest technology wireless transmitters while supporting Bluetooth (R) low power and a 2.4 GHz protocol dedicated battery.