Profile: Wilson Electronics, Inc. specializes in the manufacture & sale of electronic equipment and supplies. We provide mobile amplifiers, mobile antennas, adapter cables, data card and in-building antennas. Our back plug antenna adapter plugs into the adapter port on the upper back portion of the phone. A rubber or plastic plug may need to be removed. The mobile wireless cellular single band 824-849 MHz amplifier works on all generations of CDMA, TDMA, GSM and high-speed data technologies. It allows multiple phones and cellular data cards to be used simultaneously.