by Jonathan Vatner | June 24, 2010

Signal boosterMeetings held in the bowels of convention centers or during retreats in remote areas often mean terrible cell-phone service for everyone. Bring along a zBoost, a signal amplifier, and calls and data will come in more reliably. Models, which start at $119, are available both for a single cell phone and for creating a roomful of good service. (800) 871-1612;