is there a signal repeater for at&t iPhone 4s

[the-architect]

i have 4 to 5 bar's outside and only 1 tops inside its driving me crazy a repeater would fix the problem but can't find one for 4g there some out there for 3g and some for the 4g ETL but not the plain 4g that I've been able to find anyway any help on how to fix this problem would be very appreciated

[Terryl]

Take a look here.


http://www.repeaterstore.com/news/iphone-4-reception-problems-and-att-signal-boosters/

[xayoz]

Smoothtalker will boost any 800/1900 mhz signal