Cellular Phone Blocker

Cellular phone blockers may be used to jam both analog and digital signals relayed back and forth between handsets and base stations. More and more companies are moving from analog to digital for a variety of reasons both economic and functional. Users of digital technology, however, should not assume that just because they're possessed of more sophisticated equipment that they're now impervious to cellular phone blockers.

In the days of strictly analog transmissions, signals were carried on the AMPS standard, assigned to the cell phone industry by the FCC. This spectrum only ranged about 70 MHz in frequency length from end to end, which placed limits on both user traffic and call quality. Some 10 years later, digital technology came along that expanded this range and made it cheaper for carriers to maintain working signals.

Cellular Phone Blockers and Other Dangers in the Digital World

Before "true" digital technology took hold in the mobile industry, however, a hybrid standard called NAMPS was adopted that combined elements of digital and analog. This was still considered a chiefly analog technology, however, and as such, was easier to thwart with cellular phone blockers, which more readily cover small electromagnetic ranges than expansive ones. Nowadays, digital systems are exponentially more advanced than their analog ancestors, but many cellular phone blockers are just as sophisticated.

Along with blockers, there is another threat to the autonomy and privacy of cell phone users. While jammers (the people, not the devices) seek only to silence buzzing cell phones, thieves actively search for "ESN" and "MIN" numbers broadcast by your handset. With these, they may "clone" your phone and place calls from your account. It's worth noting, however, that analog users are far more susceptible to this than are digital subscribers.