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It is great. My PCs sit on the floor underneath a desk. I bought two more and had the same results. Signal went up to "Very Good" and an occasional "Excellent". I got connectivity but it was "Low" to "Good". I bought ONE antenna to try it out.
The antenna elements don't look like ones with additional gain (fairly short). Our PC that uses a D-link DWA-552 draft-'N' wireless card has its three antennas very close together and extends out the bottom rear of the PC where other PC Cables drape down onto or near them. It's not an antenna that gets better range due to being directional.For us it worked great. The big advantage that worked for us is the ability to move it into a better location/orientation -- and it being spread out a bit further than the PC Card alternative. With the PC on the floor under a desk, the antennas are in a very poor location.The "signal strength" would register between 50 and 60 percent from our router not really that far away (but with multiple walls, desk wood, and shelves inbetween).Although the cable is only several feet long, using this device to move the antenna location away from the rear of the PC into a much better location a couple feet up a wall and a couple feet away from the PC resulted in constant signal strength of 100%. This increased throughput between 2x and 3x from what it was before and would stay there a bit more consistently in it's fight against signals from the neighbor's networks (at least two others are in range).The antenna itself is probably a little bit better than the PC card's in that the antennas are further apart, but this would likely not be an advantage when hooking to a router.
I connected the antenna to my router, ran the cable under my scanner and up through the back so the antenna sits on top of the scanner. Considering the router is on the other side of my apartment in my bedroom; some 60 feet away with a wall in between, it's great. This antenna does work. My signal went from "Low" and "Very Low" to "Very Good" on both my wireless N equipped PC and Laptop. I would recommend it. It's all in the way you position it. It's design leaves a little to be desired but, if you position it just right, it works.
That seemed to make all the difference - I tested two spots where I previously had trouble and there are no dropouts and faster transmission. I used this antenna to move WiFi transmission beyond a plaster wall and away from some other electronics.
the cable is about 5 feet too short to really be useful (its only about 3 feet long) and position the antenna in the optimal spot for improved signal receiption. diffenently get a little better signal but not by much.
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