The NRF24L01+ is a single chip 2.4GHz transceiver with an embedded base band protocol engine (Enhanced ShockBurstTM), suitable for ultra low power wireless applications. The NRF24L01+ is designed for operation in the world wide ISM frequency band at 2.400 - 2.4835GHz. You can operate and configure the nRF24L01+ through a Serial Peripheral Interface (SPI). The register map, which is accessible through the SPI, contains all configuration registers in the NRF24L01+ and is accessible in all operation modes of the chip