This module based on Nordic nRF24L01, highly integrated, ultra low power (ULP) 2Mbps RF transceiver for the 2.4GHz ISM (Industrial, Scientific and Medical) band. Nordic nRF24L01 integrates a complete 2.4GHz RF transceiver, RF synthesizer, and baseband logic including the Enhanced ShockBurst™ hardware protocol accelerator supporting a high-speed SPI interface for the application controller. 

Features:

• Worldwide license-free 2.4GHz ISM band operation
• 250kbps, 1Mbps and 2Mbps on-air data-rate options
• Enhanced ShockBurst™ hardware protocol accelerator
• Ultra low power consumption – months to years of battery lifetime

Specifications:

• Power supply : 1.9~3.6V
• IO port working voltage : 0~3.3v / 5v
• Transmitting rate : 7dB
• Receiving sensitivity : ≤ -90dB
• Transmission range : 250m in open area
• Dimension : 15x29mm