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I had some decent mini PCIE WiFi+Bluetooth combo cards from dead laptops, so I decided to get one of these adapters give shot. Everything works as expected. Wi-Fi and Bluetooth have a better signal than I got with the laptop the card came from. It's just a problem that I need to connect USB when the laptop can work with both WiFi and BT via mini PCIE interface. I was expecting one PCIE to convert to the other with little change, but I don't think it is.

Some parts were bent, tried to bend them back so they could be used, but even then it didn't work. At least it was cheap. I can't imagine it working even if it wasn't DOA.

I was hoping for a slightly stronger signal by replacing the standard antennas on my Linksys EA 6900 router. No signal improvement was measured with the RE7000 expander's built-in diagnostics, despite the much larger expander Size. So for me it was of no benefit. I'm not sure under what conditions this would happen or if the active electronics would somehow need to detect a different antenna, but at least the Linksys EA6900 either already had better antennas or didn't know what to do with them.