A BlackBerry Bold Signal Booster can give you fewer dropped calls and a clearer signal where there is low cell phone reception. Paired with an antenna or other amplifier, the effect is magnified. There are many different types of boosters, with varying results. One is the sticker sold at berrybooster.com, which is just slapped onto the back of the above, right above the SIM card. http://berrybooster.com/index.html Others look like they came straight from the CIA toy factory, with large antenna and assorted chords, and other conspicuous pieces of hardware. http://shop.crackberry.com/blackberry-signal-boosters.htm The bigger signal boosting tools often run more than $100, and the dual-band amplifiers approach $500. The berrybooster.com sticker signal booster costs a mere $20.

There are several types of signal boosters for the BlackBerry on the market. Several are sold as standalone units, but many are paired with an amplifier or antenna in a kit for added clarity and reception. There are wired, wireless, desktop, and car signal boosters. Some in kits are building mounted or window mounted. Be sure any unit is compatible with the BlackBerry Bold (and not, for example, an earlier BlackBerry model, when you make your purchase.

The signal boosters are not inexpensive, so you want to compare different models before pulling the trigger on one. If you're signal problem is not too severe, it may be that one of the less expensive models gives you all the bars that you could possibly want.