This board features a reverse polarized SMA connector for maximum RF range. And there is PA and LNA circuit on board, with the external antenna it can reach long distance than the one without these parts.This module comes with the 2.4G antenna (2DB), with a 250Kbps transmission rate on open-air..
These RF modules are very popular among the Arduino tinkerers. The nRF24L01 is used on a wide variety of applications that require wireless control. They are transceivers which this means that each module can transmit and receive data.M177 NRF24L01+ 2.4GHz Antenna Wireless T..