Cisco HGA7S 7dBi network antenna

HGA7S HighGain Antenna for R-SMA Connectors Increase the range of your wireless network. Attach this high-gain antenna to your Cisco® Small Business wireless networking device, and increase both the effective strength of the outgoing signals and the receive sensitivity for incoming signals.
The added signal strength and sensitivity also improve the reliability of close-range communications, because every packet comes through loud and clear, reducing retransmissions due to errors caused by weak signal reception.
To install, just unscrew your current antenna and attach the Cisco HGA7S High-Gain Antennain its place. There are no drivers to install, and no modifications to your setup are necessary.
The Cisco HGA7S saves wiring costs and helps to build corporate wireless infrastructure by driving stronger signals into distant corners and hard-to-reach areas. And it's perfect for covering large areas in warehouse environments, public spaces, wireless hotspots, and outdoor venues - anywhere you need extra coverage for your wireless network.