My Lan port showing 1000mbps But my Wlan shows only 100 mbps i alredy tried and changing my cable but there are no change. how i solve it please help.

I have a 240/20 Mbps internet connection. When I connect directly to the modem using the same cat5e cable, the ethernet connection is stablished at 1000 Mbps (1 Gbps) and the internet speed reaches 24