Can be used with multiple cell phones and carriers at the same time
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4 1/8"L x 4 1/2"W x 1 1/4"H
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Please note, not for use with Nextel phones and this version of the cell booster is designed for cars and trucks. A minimum of 2 feet and a substantial metal wall or roof is required between the two antennas. Not for use with convertibles or open console boats.
Editorial Reviews:
Product Description Our powerful amplifier/repeater boosts your cell phone transmission and reception for greater coverage and clearer conversations with no physical connection to your cell phone. You'll get signal strength increases up to 40 dBi gain. How does it work? The inside antenna wirelessly connects to your cell phone and amplifies to amplify and repeat its transmissions to a cell tower via the outside antenna. Incoming signals are also boosted before repeated to your phone.
Customer Reviews:
Works Great. Gets Out Where Others Can't Get A SignalNovember 7, 2008 I bought this for my personal vehicle since we use the same model in our patrol vehicles here in a New Mexico town near Santa Fe. Without it there are many areas up in the canyons where you cannot get a signal but when you plug it in you get several bars. It won't work miracles in deep canyons where there is no signal but it will definitely help your reception in remote areas. It boosts cellular signals like AT&T and Verizon best, not quite as well for PCS. I have used direct connect amplifiers for many years but now most new phones don't have an external antenna port so this solves that problem. I added a larger 5 Db gain external antenna from Radio Shack and it adds a lot to the boost factor. The included antenna is OK but does not have a gain factor. On our patrol cars we use a full size antenna (2 feet tall) that is attached permanently to the roof and wired into the amplifier. I am very pleased.
It works, but it doesn't work miraclesMarch 27, 2007 1 out of 2 found this review helpful
We were evaluating this unit for use in our county squad cars, since we live in a semi-rural area, and cell coverage isn't 100 percent. We found that this unit works, but only if signal is present anyway. In other words, it isn't much better at receiving signal from the tower than is your phone - it helps a bit that the antenna is outside the car, but that is a limited improvement. If there is not cell signal present, this unit won't help.
That said, it makes a pretty big difference for transmitting. So, if you find that you can hear people but they can't hear you, this unit is probably for you. In our case, we were really trying to improve reception in the cars for mobile data applications, and it was a marginal improvement.
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