Wiring panel

The signal jammer is what increases the signal

The external directional antenna is designed to pick up the weak signal that is being broadcast by your cellular provider.
The signal the external antenna picks up is sent over wires to the signal jammer. The signal jammer is what increases the signal. Your boosted signal is then sent to the internal antenna which wirelessly rebroadcasts a more powerful signal within your space.
Cell blocker operate on different frequencies: 800 MHz, 1900 MHz and iDEN. The 800MHz frequency is compatible with Verizon phones outside of Florida and Texas, Alltel phones in selected states, and US Cellular phones in selected states. T-mobile, Sprint, Metro PCS and several other carries operate on the 1900MHz band. AT&T operates on both bands.
Often the most comprehensive solution is to opt for a Dual Band Cellular jammer. These blocker operate on both the 800 MHz and 1900 MHz bands, ensuring proper coverage with all major carriers. Nextel users in need of a cellular jammer must invest in an iDEN jammer.
Whether you need to amplify cellular signals in a large home, small apartment, warehouse or car, there are cell blocker that are designed for your needs. The following blocker are extremely popular in the cell jammer space and represent some of the different applications for cellular blocker.
One of the most popular cell jammer kits on the market, the YX545 Cellular jammer Kit is dual band, making it compatible with all cell phone carriers except Nextel. This cell jammer can amplify cellular signals in an area of 2,500-3,000 square feet with a 60dB gain, making it ideal for small home and office settings. The YX545 kit features everything you need for set-up and installation, including all the necessary cables and antennae.
The 841262 Dual Band jammer from Wilson Electronics is comparable to the YX545. However, this model amplifies cellular signals up to 5,000 square feet with a slightly higher 62 dB gain. Thus the Wilson 841262 is optimal for application in medium-to-large offices or homes. The standard external antenna, jammer and internal antenna setup applies.
The Wilson Sleek is a unique cell jammer in that it doesnt include a visible internal antenna or a separate jammer component. Designed for use while on-the-go, this cell jammer from Wilson Electronics is simply a cell phone cradle that has an internal antenna built right in.