When evaluating the performance of an indoor antenna like the Xtreme N 2.4GHz antenna, it's important to remember that the range and throughput of a wireless connection depends on many factors depend, including the number of obstacles, actual location reception, and the WiFi card itself. My house has many walls and doors separating the D-Link dir-655 router from my laptop. The distance between them is about 80 feet, hardly a small distance. I went up a notch (from very low to low) and doubled the speed (from 6.5 Mbps to 13 Mbps+) using an ASUS Eee 1000 netbook with a built-in 802.11n card. In the same position, a regular Dell Latitude laptop with an integrated 802.11g card gave me two bars (like ASUS) and 54 Mbps. I suspect the ASUS WiFi card has a rather limited range. So after the significant antenna alignment effort, there is some improvement with the internal Xtreme N 2.4GHz antenna in this particular position (where I'm sitting). Signal (3 bars+) with a much larger bandwidth. So the spot I'm sitting in is clearly not ideal for receiving WiFi. With two lanes, I can still surf the web without too many problems (i.e. interruptions). I should add that I tested the Hawking HiGain Indoor 15dBi Directional Antenna - HAI15SC with dir-655 router (the manufacturer told me it should work with N routers), but this antenna was less efficient than the Indoor Xtreme N -2.4GHz antenna. Conclusion: Don't expect too much from this antenna. This can help you improve your signal strength, but you won't suddenly go from one bar to five bars.
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