http://www.factorydirect.ca/catalog/...p?pcode=BO0024

"Constructed of weather resistant metal, this 12-inch Super Cantenna
12dbi Wireless Booster Antenna will extend your wireless signal at
home, office, or any wireless hotspot.
It features 2.4 GHz frequency, 30-degree beam width, engineered for
maximum signal strength and distance, and is compatible with 802.11b/g
wireless networks. So, not only do you get the Super Cantenna 12dbi
Wireless Booster Antenna, you also get a 24-inch RPSMA RF cable, a
RPTNC
adapter and a mini tripod with extendable legs - all at a terrific
savings!

Features:

- 12-inch tube length
- Rugged weather resistant metal
- Compatible with 802.11b/g wireless networks
- Engineered for maximum signal strength and distance
- Linear polarization
- Mounting socket fits standard camera tripods and other
mounting hardware
- Mini tripod with extendable legs
- Weather resistant urethane laminate
- Gold plated low-loss conductor design
- RPSMA/RPTNC connectors
- Replaces an existing antenna

Specifications:
- 2.4 - 2.4835 GHz frequency
- 12 dBi gain
- 30-degree beam width (approximate)
- 50 Ohm impedance
- Less than 1.5:1 (average)"