Just wanted to thank everyone in this thread for this great information. I've successfully got the LM940 running with a RBwAPGR-5HacD2HnD, RouterOS 6.47. As per the other posts I changed AT#USBSWITCH=1 AT#USBCFG=3 AT#FIRMWARE=1 I didn't need to change any RouterOS config other than the ARN. As far a...