Eightwood 2.4GHz 9dBi WiFi Antenna RP-SMA Plug Male Omni-Directional with Magnetic Base for Wireless Router Security IP Camera Type: Omni WLAN WiFi Antenna Frequency range:2.4GHz; Complaint with 802.11n/b/g; Gain:9dBi Connection: reverse polarity SMA male with female socket pin Antenna Height: 15 inch (exclude the height of the base); Extension cable type: RG174; Cable Length: 2.5meter / 8.2FT Strong magnetic base provide great convenience