While I do understand your reply and am aware of the potential causes of interference, it is unfathomable that the speed and performance would drop so significantly between Tuesday night and Wednesday night with no new devices introduced! 3 mbps ds is just not acceptable when paying for BLAST! 200. The only devices I run on the 2.4 band are those that do not support the 5.0 and they are the minority of what is in use in my home.
There has to be some other cause for the very sudden drop. I imagine I'll be having a Comcast tech come back out and re-test modem. When he was here last, we were getting ds of at least 40-50 mbps and, like I said, nothing has changed.
Let me know if you think of anything else I can test. Thanks.
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