RFMAX 6 Element 900 MHz Yagi Antenna, 11.1 dBi with N-Female ConnectorA09 Y11NF is a 6 element Yagi Antenna operating within 896 940 MHz frequency range. It is an excellent Antenna for 800 MHz ESMR and SMR or conventional application. The 6 element on A09 Y11NF provides excellent Performance and durability. For use with the 9XTend , 9XStream and XBee PRO XSC (900 MHz) product families. Compatible with Digi International ConnectPort X2, XBee SX RF, XBee PRO 900HP RF, and XTend 900MHz RF Modems.