Orbi 753 unencrypted 5ghz network even though WPA2 security is turned on

Alright so here is the interesting result

1) did you suggested i.e first wireless sync, then connected directly via Lan patch

2) noticed security was off 2.4GHz, reapplied WPA2 on router, and that updated the security to WPA2 there

THen disconnected satellite, moved to other location behind a NG 105, first waiting to get wireless sync, then plugged in cable, does not detect wired connection on router, stays at 5G for backhaul

Figuring that both satellites were first synced via 5GHZ and security was ok on both satellites, I would try to switch to AP mode on router.

Did that, satellites came up as wired on ethernet backhaul but then lost WPA2 on 5GHz band on satellite

I have reverted for now to Router mode with backhaul over 5GHZ, since i don't like the security tradeoff of no WPA2 on 5GHZ on the satellites.

I guess the backhaul over ethernet is not as steady or perhaps it is my home wired network. Although, I am inclined to think not, since in AP mode, the satellites show up with wired ethernet backhaul almost instaneously..

Will see how the speeds line up over 5GHZ mode because wired connections were indeed beautiful but at least i won't get weird messages about connecting to the same SSID before in protected mode and then in open mode depending on where I am in the house..