@m__a23 Hi, welcome to our community. You may share more details, then we can understand your question better.

@jowilson Hi, welcome to our community. 1. What is the hardware and firmware of your Archer MR200? 2. Does your MR200 work as 3G/4G router or wireless router? 3. When your Mac connect to the router...

@Vintage-MR600 Hi, thanks for posting question here. Archer MR600 only support to work as wireless router mode and 3G/4G router mode. So it can not work as a repeater/range extender to connect to the...

@Gyunbie Hi, welcome to our community. It does not support OpenWRT.

@SweetP Hi, thanks for posting question here. When the internet drops, how about the DSL light on the router? If it is not stable, it is suggested to follow this guide to check. Or you may switch...

@Red_Hood Hi, thanks for your update~ I am afraid the adapter can not work properly, and it is suggested to contact your retailer or local support to confirm warranty~