Color: Green - Material: FR-1 - Max.Working frequency: 2MBPA - Maximum operating speeds up to 2Mbps GFSK modulation efficiency anti-interference ability particularly suitable for industrial control applications. - 125 Channels multi-point communication and frequency hopping to meet the communication needs. - Built-in hardware CRC error detection multi-point communication address control. - Low-power 1.9 ~ 3.6V only 1uA on power down mode. - Built-in 2.4Ghz antenna - Available software to set the address only received local address when output data(Provide interrupt instruction) can be directly connected to a variety of micro-controllers software programming is very convenient. - Built-in voltage regulator - Standard DIP Pitch Interface for embedded applications User Manual: http://m5.img.dxcdn.com/CDDriver/CD/sku.NRF24L01_126467.pdf