router coverage

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sjais wrote:

Hi, I would like to know if an Orbi RBR20 router can cover a small house of 130 sqm on 3 floors.
Each floor is approx. 45m2. The internet box is centrally located on the ground floor.
Would it be fine to be used without a satellite knowing that my problem is more vertical than horinzontal

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There is probably more to this question than it seems.  The primary reason to purchase a "mesh" system is to have more than one Access Point.  Radio coverage is limited by regulators in every country (the FCC in the US).  With a fixed antenna power, almost every WiFi access point will have approximately the same coverage.  Multiple antennas (MIMO) can extend coverage, provided that the user device supports that technology.

"Vertical" is the Achilles heel of WiFi systems, as the antennas are designed for horizontal coverage rather than vertical coverage.

My suggestion is to borrow any WiFi access point (of any brand).  Set it up on the ground floor and then see if it produces good coverage on the upper floors.  It doesn't even need internet access to perform this test.

30 feet is recommended in between RBR and RBS to begin with depending upon building materials when wirelessly connected. https://kb.netgear.com/000036466/How-far-should-I-place-my-Orbi-satellite-from-my-Orbi-router