Generation X Plus Smartphone Antenna Universal Generation X Cell Phone Antenna Booster Signal Enhancer for Samsung cell phone 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. 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. As Seen On TV. Enables to reduce dropped calls and fading signals.