There are 2 reasons why I have a bad WiFi connection:. signal strength. Connection Quality After I replaced the standard small 3dBi antenna with this 9dBi Alpha, the signal strength improved very slightly, from about 30% to 40%. But the connection quality was still poor, resulting in very intermittent internet connections. If your internet connection seems fine one minute and drops out the next, you know you're having connection quality issues, not signal strength issues. The software that came with my Wi-Fi adapter also had a separate meter that measures the quality of the connection, which in my case fluctuated wildly from 30% to 70%. In this case, a large antenna will not help. Then I tried a small 3dBi antenna tied to the computer with a long cable. The result amazed me. The cable allowed me to raise the antenna by half a meter, which immediately solved the communication quality problem. I have a solid 90% to 100% on the link quality meter. The Internet connection never dropped again and the Internet speed still reached its maximum speed (3 Mbit/s), although the signal strength was still very low (only about 30%). This is why the magnetic base Alfa 9dBi cousin of this antenna has the best Amazon rating. Being able to move the antenna maybe just a few inches will probably help your connection better than a dBi gain.
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