One of the reasons I got this was to mount on the wall. It does not have mounting “keyholes” as described. No specifications are given for the ethernet ports on the surge protector, but using these between my cable modem and router limited the connection speed to 100m on ports capable of 1000m.
https://www.amazon.com/AmazonBasics-Rotating-6-Outlet-Protector-Joules/dp/B07HKJJFKH

