Wireless Signal Boosters

griffin clearboost iphone case 040408 jpg

griffin clearboost iphone case 040408 jpg

Summary: €™re stuck in a very low or completely flat coverage area but if you move to areas that could give you two or three bars the ClearBoost will kick in with additional one or two bars  It’s said that the ClearBoost’s antenna is optimized to benefit an iPhone in 850MHz mode which is how AT T provides coverage to 90 of the United States So for an iPhone

Image Dimensions: 460 x 417

Image originally found here.