Insten Wi-Fi Booster Antenna Compatible with D-link DWL520, Linksys WMP11, WET11, Netgear MA311, or D-link Aps, 2400-2483 MHz, 6ft NOTE: This antenna is only compatible with modems and routers with a 1/4 inch external antenna port. 5 X Range Extender-Extends up to 5 times the original range of your WiFi access in open space. Plug and Play-No extra pigtails needed. Comes with 6 feet pigtail with Reverse Polarity SMA termination. Plug directly into your D-link DWL520, Linksys WMP11, WET11, Netgear MA311, or D-link APs (anything that uses Reverse Polarity SMA). Manufactured in ISO-9001 compliant facilities. Fully tested with HP RF network analyser Frequency: 2400-2483 MHz.Gain: 7 dBi.Impedance: 50 Ohm.VSWR &lt; 1.5 Average.Maximum Input Power 50 W.Antenna Length 9 inch Directionality Omni.Polarization Vertical.Weight: 1.8 oz.Pigtail Length: 6 ft (72 in, 183 cm).Pigtail Connector Reverse Polarity SMA.No Extra Pigtails Needed!