Cellphone Signal Booster Kit of Wilson Electronics Dual Band Mini Magnet Antenna and Cell Phone Antenna Adapter Cable for Samsung A900, D807, R510 Wafer, T509, T519, U740 Kit includes 2 items: Wilson Electronics Dual Band Mini Magnet Cellular Antenna and Cellular Antenna Adapter for A900, D807, R510 Wafer, T509, T519, U740 Wilson Electronics Dual Band Mini Magnet Antenna (301113) has a Frequency Range of 806-894 MHz / 1850-1990 MHz with FME Female connector. 10 times more signal than a cell phone used inside vehicle without an external antenna. Cellular Antenna Adapter (359921) has FME Male Connector with approximately 12" cable.