RFMAX 4 Element 900 MHz Yagi Antenna, 8.1 dBi with N-Female ConnectorA09 Y8NF is a 4 element Yagi Antenna operating within 896 980 MHz frequency range. It is an excellent Antenna for 800 MHz ESMR and SMR or conventional ISM application. The 4 elements on A09 Y8NF provide excellent Performance and durability for Trunking, SCADA, alarm systems and telemetry. For use with DIGI 9XTend , 9XStream and XBee PRO XSC (900 MHz) product families. Compatible with Digi International ConnectPort X2, XBee SX RF, XBee PRO 900HP RF,