I have the NAD MDC BluOS 2 card added to my NAD M12 preamp. Each time I shut down down the preamp into standby and turn it back on I have to reconfigure the wifi settings for the BluOS to connect to my network. Additionally I had to add a wifi extender to my network that is only approx 5 feet away from the BluOS to get a connection. All my other devices (BR Player, TV, SONOS Connect) in the same location have no issues with signal strength and connections to my wifi router. I do have the USB extension attached to the BluOS card with the wifi dongle.
NAD M12 Firmware:
BluOS 2 Firmware
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