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RBK 853 5gHz Wireless Backhaul Issues
About 30 days ago, my otherwise rock-solid Orbi 850 system (RBR + 2 RBS) began to slow way down. After some troubleshooting, I noticed the backhaul was using 2.4 gHz, not the dedicated 5 gHz band and...
Refurbished RBR850 arrived yesterday. Initialized it and replaced my old RBR with refurb about 1 hour ago. Used backup config file to set up refurb and re-synced sats. After about 10-15 minutes settling time the system came back to daisy-chain topology. 5 gHz backhaul (see screenshot) is working and speeds throughout property are back to historical numbers. (Over 3X faster than when 5 ghz backhaul stopped working).
Obviously, my original RBR had some sort of tx/rx problem in 5 gHz band. All is good...for now!
My house is 3000 sq ft with a 1000 sq ft attached garage/shop (temp controlled). The house has concrete block walls with stucco exterior and 2 x 4 firring with drywall interior (hock and trowel plaster finish). Not feasible to due wired backhaul due to needing multiple holes in concrete block.
Closest RBS is 35 ft with two interior walls between RBR and RBS1. Second RBS is in the garage about 75 ft from RBR and 40 ft from RBS 1 with two interior walls and 1 exterior wall between the RBSs.
The house has concrete block walls with stucco exterior and 2 x 4 firring with drywall interior (hock and trowel plaster finish).
This is going to be problematic at best. Concrete and steel will inhibit good wifi signals between the RBR and RBS and thus why the RBS are connecting at 2.4Ghz and not at 5Ghz. 5Ghz can not penetrate well or at all thru concrete.
Any chance the house and garage are on same power circuit? Something that could work for you to get RBS ethernet connected if you can't get thru the concrete, try some power line adapters.
Agree that the construction is an RF barrier but prior to this issue, I've had 5gHz backhaul working just fine in a daisy chain config. In fact my solar panel reporting device uses 5gHz to connect to my RBS in the garage. That solar reporting device is 40 ft away on the outside of a block wall. Never had an issue with that 5 gHz connection. Of course, it is very low bandwidth.