The Cell Ranger PORT is a USB powered dongle and aerial which boosts your mobile phone and data card signal in poor reception areas. It’s plug and play, just slot it in the USB socket and put the aerial near a window. They’re claiming it will add 2–3 bars to your signal and reduce or eliminate dropped calls (as long as the problems are caused by the incoming signal or downlink. If it’s an uplink issue, i.e. your phone isn’t sending properly, then you’re stuffed). The good news is that uplink problems are rare. Works with US carriers only. $149.99.
Cell Ranger products contain a microprocessor that actively analyzes the signals that your cell phone is receiving. By measuring and analyzing the cellular reception and signal conditions, it adjusts the amplification to ensure optimum signal for the users cell phone. By preventing oscillation effects, Cell Ranger ensures that units are carrier friendly.