ALFA AOA-2458-59-TFL is a new high quality, low cost dual-band 5/9 dBi gain omnidirectional 2.4/5 GHz Wi-Fi antenna with N-female connector. The gain is 5 dBi for 2,4 GHz and 9 dBi for 5 GHz. The antenna has weatherproof fiber glass casing. This is a great antenna for boat or RV use.