WBN-YG0709V12i43D is a 12dBi GAIN high performance LPDA YAGI antenna specifically designed for outdoor wireless networks which are used to improve GSM 900 and 3G 900 cellular signal reception. Use as part of GSM/3G cellular amplification system for outdoor installation in conditions of poor signal reception. This antenna features a 30cm coax lead terminated with an N-Female connector. Special order connectors are also available.