Mobile X6 50dB is the highest power 50cB gain mobile booster on the market. It will keep you connected where other boosters fail. It boosts signal to all call phones and cellular devices within the boosters range simultaneously. This is a wireless booster that does not require a physical connection to the call phone or cellular data device. The smoothtalker Mobile X6 extreme power booster is the most technologically advanced wireless cellular booster made. It features proprietary "stealth tech technology" that prevents shutdowns from poor antenna placement and changing environment. This booster has 50dB of gain and provides coverage throughout yor car, truck, RV, boats and work trailers.