Universal Generation X Cell Phone Antenna Booster Signal Enhancer for Iphone apple . The Universal Generation X Cell Phone Antenna Booster Signal Enhancer is a passive device designed to capture stray radiation in the body of the cell phone and to re-radiate the signal to improve the phones reception. The signal booster will work most efficiently when installed properly. When using the phone, try to avoid placing your hand over the area where the internal antenna is installed.There are no tools required for installation.FEATURES: Enables to reduce dropped calls and fading signals. To improves signal strength. Enhances sound quality. Can be used with any cell phone, PDA.INSTRUCTIONS:Simply place the antenna under your battery to add the equivalent of a 4' antenna to your phone or PDA.Compatible With Iphone iPhone 4 (GSM,AT&T) iPhone 4S iPhone 3GS iPhone 4 (CDMA) iPhone iPhone 3G
