ITEM NAME:4pcs NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module for Arduino New K9I9 4pcs NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module for Arduino New K9I9 100% Brand new and high quality. NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module Built-in hardware CRC error detection, Multipoint communication address control Maximum operating speeds up to 2Mbps, GFSK modulation efficiency, Anti-interference ability, particularly suitable for industrial control applications Standard DIP Pitch Interface for embedded applications. Low-power 1.9 ~ 3.6V, only 1uA on Power down mode. Built-in 2.4GHz antenna Package includes: 4 x NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module Size: Approx. 2.5 x 1.5 x 1cm (L*W*H) Material:ï ¼Å¸metalï ¼Å¸ 125 Channels, Multi-point communication and frequency hopping to meet the communication needs Available software to set the address, only received local Address when output data(Provide interrupt instruction), can be directly connected to a variety of minicontrollers, Software programming is very convenient. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..NRF24L01+ 2.4GHz Antenna Wireless Transceiver Module. Standard DIP Pitch Interface for embedded applications. Low-power 1.9 ~ 3.6V, only 1uA on Power down mode. Built-in 2.4GHz antenna.