Using the USB cellphone signal booster from Thinkgeek, you are able to improve incoming and outgoing cellphone voice and data calls within a 5 foot radius distance. The device is compatible with maximum US and Canada Carriers except the Nextel. The signal booster helps you to access 2-3 bars extra signal for any cellphone or 3G data card in order to prevent call drops.
You just need to place the wired antenna up to 15 feet distance away from the USB base unit in an area of marginal coverage distance.
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