You might not like it, but this is what peak performance looks like.
Revisit your antennas, USB port, and adapter settings to fix poor Wi-Fi performance ...
I just did some testing and I'm again stunned that wireless equipment intended for home users to just plug it in and not need to know anything past that has this issue - the direction that you face ...
I am planning on getting broadband internet via wired and wireless (router) for my home (most likely DSL). There is a building nearby, about 850 meters (or about half a mile) straightline from my home ...