yes, it's mosty density. once you have to scroll in the ap-list there is a very good chance that you are contested on air-time because some neighbour is active

yes, it's mosty density. once you have to scroll in the ap-list there is a very good chance that you are contested on air-time because some neighbour is active on any given channel. [0] add to that interference from non-wifi or other unclean rf-equipment like babymonitors, wireless doorbells or bluetooth ... 2.4ghz is quite crowded, 5ghz is crippled by a wall... [0] https://en.wikipedia.org/wiki/Hidden_node_problem https://en.wikipedia.org/wiki/Hidden_node_problem