Do not waste your time or money on this product. I purchased the YX-300, hoping that it would boost the 1-2 bars that I received with my Verizon phone and Sprint 3G card a few bars. After installing it according to the instructions and getting a green light on the unit, I brought the phone within range. Nothing. Absolutely no increase in signal. I unplugged the power to see if there was any movement on my signal meter--there wasn't. I assumed that possibly the cell signal in my area was somehow not in the correct frequency range (info on the web suggested otherwise, but I wanted to give this product the benefit of the doubt). So, I got my laptop and Sprint card and put it through the same test. Again, absolutely no improvement in the signal. Next, I tried moving the antenna to a different location. In pulling the suction cups off the window, the cheap plastic that holds the cups to the antenna broke, leaving me with only one affixed cup. I hung the antenna on the outside of a second story window facing the cell phone tower and repeated the tests. Again, no improvement in the signal--no sign that anything was happening. Next move, call Wi-Ex. Left a voice mail message, and to their credit, I got a call back after a few hours. The tech asked me questions to ensure that I had installed it correctly, then tried to suggest that my glass windows were blocking the signal. However, he agreed that mounting the unit to the outside of the window and the fact that I was getting 2 bars inside the house without the unit killed that theory. He then told me to return it to the vendor. When I told him that the vendor wouldn't accept the unit once it is out of the clamshell and that I wanted Wi-Ex to stand behind its product and issue the refund, he told me they wouldn't. I have used repeaters for Wi-Fi signal and they work very well. This product, however, is simply smoke and mirrors. I hope this post saves a few folks from wasting their time and money as I did.

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