Hi all, looking for some advice regarding a USB Wi-Fi adapter that is baffling me somewhat.
I have a Startech USB433WACDB USB 2.0 mini adapter which uses the RTL8811AU chip. It is rated for 802.11ac 5GHz.
For some reason, it only seems to be able to see channels 36 to 48. Anything after channel 48 and it acts like there's nothing there. Connects and works OK if I set my AP 5GHz channel to 36/48, but unfortunately there's a couple of neighbouring APs using the same channels, so I need it on channel 52 or above, which are clear in my area.
The AP is an old BT HomeHub 4 which I have repurposed as a dumb AP. Other 5GHz Wi-Fi devices can connect to this on channels 52+ no problem, in fact it works very well with them so I don't believe its an issue with this. The AP firmware does in fact warn of the 10 minute delay when changing to channel 52+, but my other Wi-Fi devices see the new channel in as little as 1 minute. It doesn't show up on the Startech adapter even after waiting 10 minutes.
I'm using a home-built Windows 10 64-bit PC, but have also confirmed the same behaviour with the USB adapter plugged into a Lenovo Windows 10 64-bit laptop, so I don't think it's a Windows thing. Also tried the latest driver from Startech/Realtek (they both seem to match) and it makes no difference.
Any ideas? Is this somehow by design?
I have a Startech USB433WACDB USB 2.0 mini adapter which uses the RTL8811AU chip. It is rated for 802.11ac 5GHz.
For some reason, it only seems to be able to see channels 36 to 48. Anything after channel 48 and it acts like there's nothing there. Connects and works OK if I set my AP 5GHz channel to 36/48, but unfortunately there's a couple of neighbouring APs using the same channels, so I need it on channel 52 or above, which are clear in my area.
The AP is an old BT HomeHub 4 which I have repurposed as a dumb AP. Other 5GHz Wi-Fi devices can connect to this on channels 52+ no problem, in fact it works very well with them so I don't believe its an issue with this. The AP firmware does in fact warn of the 10 minute delay when changing to channel 52+, but my other Wi-Fi devices see the new channel in as little as 1 minute. It doesn't show up on the Startech adapter even after waiting 10 minutes.
I'm using a home-built Windows 10 64-bit PC, but have also confirmed the same behaviour with the USB adapter plugged into a Lenovo Windows 10 64-bit laptop, so I don't think it's a Windows thing. Also tried the latest driver from Startech/Realtek (they both seem to match) and it makes no difference.
Any ideas? Is this somehow by design?