Thanks for this! I will give it a try. Quick question: When I search on "GMC-300E", I get links to amazon for a "plus" version. Is that what you used?

https://www.amazon.com/GQ-GMC300EPlu.../dp/B00IN8TJYY

I looked on GQ's web page, and I couldn't find anything without "plus" in the name.

https://www.gqelectronicsllc.com/com...?idCategory=50

I want to make sure I get the right one.