Wilson 815326 Sleek 4G-A Amplifier Kit has been replaced with the new and improved 5 band version that works with all cell phone carriers such as AT&T, Verizon, Sprint, and T-Mobile.

Wilson 815326 signal amplifier is built into the cradle which securely holds your phone. The cradle antenna requires direct physical contact with the back of your cell phone. The cradle is mounted on your vehicle's vents and physically connected to a 4-inch external antenna with a 10-foot coaxial cable. Optional accessories are available to mount your Sleek on the dashboard or cup holder, as well as, to use your Sleek at home or office. 

This new tri-band cradle signal booster provides a Gain of up to 26dB and delivers more than 20 times the power of a typical cell phone. It is designed to keep your cellular device connected even in weak signal areas, minimizing occurence of dropped calls and improving data transfer rates.

The booster from Wilson amplifies your cellular signals in the 700 MHz, 800 MHz and 1900 MHz frequencies. It works with AT&T's 4G LTE network and other carriers that operate in those frequencies, and is designed for use in your vehicle. It also works with most 2G and 3G networks. It is easy to install the Wilson Sleek without tools.