Can't say anything about that except that I haven't had any problems with my extension so far. I had to contact Lynksys support for help adding it to my network as it wasn't clear in that part of the guide what type of light (on/blinking) should be visible when connected. All in all a decent unit for a restored product. I'm very glad I didn't pay full price for it too. We haven't had any service outages (unless the ISP had a problem). If the ISP has problems and service resumes it's good to just reset this extender as that's the only interruption we've experienced since our TiVo was connected to the CAT6 port on the bottom. The device connects very quickly and easily to our home network. We definitely notice the speed of the AC1900 as Netflix now reliably downloads movies within 3-5 seconds.
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