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BEST antenna placement for a dual band router?

iamdarkyoshi
By iamdarkyoshi
in Networking
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So I have been screwing around with my E3000 router's wifi, and I can get pretty good speeds off of the 5ghz radio, but the 2.4ghz is not very good downstairs. I bodged on some external 2.4ghz antennas from an old router, and I got maybe a 2-5mbit/s increase in speed, but I want to go balls to the wall and do a proper antenna mod on mine. It is a 6 antenna router, but everyone seems to ignore the two smaller lower antennas on the lower section of the router. So I want to buy four 9DBi dual band antennas and put them on mine, but what is the optimal placement for antennas? If I have two 2.4ghz antennas and two 5ghz ones, and leave the two smaller internal ones alone, roughly where on the face of the router should they be mounted?

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The antennas should be as much distant from each other as possible. Also make sure there is no matal <30 cm within the antennas.

As for the array set up, the beam forming works best in the direction that is 90° to the antenna row.

 

 

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