Orbi RBR40 / RBS20 slow wifi connection

What is the Mfr and model# of the ISP modem the NG router is connected too?

What is the size of your home? Sq Ft?
What is the distance between the router and satellite(s)? 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

What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?

Try enabling Beamforming and MIMO(MIMO may or maynot be needed) and WMM. Under Advanced Tab/Advanced Settings/Wireless Settings

Try disabling the following and see:
Armor, Circle, Daisy Chain, Fast Roaming, IPv6 and Set 20/40Mhz Coexistence to 40Mhz only. Save settings and reboot the router and satellite(s).

Has a factory reset and setup from scratch been performed since last FW update?

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jhorbi wrote:

Purchased RBR40 w/ 2 RBS20 sats in June, since have seen significant drops in wifi speed.  Using Spectrum 200 ISP getting 230 download and 23 upload from modem.  Speed Test gives me 15-25 down over wifi, this use to be significantly higher. Have updated FW to 2.3.5.34 with no change in speed.  Any suggestions????

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