2009 3/4HP Liftmaster (qty 2) both stopped receiving opening signals effectively

QTY-2  Liftmaster 3/4 hp openers installed new in 2009
used factory remotes effectively until now
used wireless exterior keypad (only 1) effectively until now
added 2012 Cadillac SRX Homelink remote in 3/2014 (no longer owned and erased 9/2023)
added 2023 Tundra Homelink remote in 11/2022
added 2023 SX90 Homelink remote in 9/2023

Exterior keypad started not working about a month ago to open the door (but still worked to close) assumed battery was low and that I'd "get around to it"

Got locked out and assumed that the breaker tripped for the garage doors because nothing was working.
Had to call a locksmith ($125) to get in the house since we don't carry keys (and have a generator in case the power goes out).

As it turned out the circuit didn't trip and:
Last night, 
-keypad would not open door 1, 
-both (wired) wall switches work,,
-SX90 would not open either door from outside, 
-Tundra would not open either door from outside,
-both factory remotes work from inside
-neither factory remotes would open door from outside,
-but both factory remotes work from outside IF you hold them up to garage door window "in view" of opener.
  
How do 2 units simultaneously lose "good" reception? Or can it be something else?


Any thoughts?

And (naturally) today, both vehicle Homelinks worked from outside.