That's the ticket. TY

Now, the other question. After I plug it in, how do I tell the Pi to use that instead? Will the internal wifi just auto-disable?

Thank you, but those are itty bitties. I did say, "with BIG antenna" it would look like this https://www.amazon.com/Cudy-1300Mbps-Adapter-Wireless-Compatible/dp/B07Q9KY4NT/ref=redir_mobile_desktop?ie=UTF8&aaxitk=SY4Kxa8jtZqbpbIQv7yosA&hsa_cr_id=4994525590301&ref_=sbx_be_s_sparkle_mcd_asin_0 or this ...

I just got a Pi4 and I love it. Retropie and Kodi are a dream. The only problem is the built-in wifi. The connection is terrible and keeps dropping. It can't even see that the wifi router *exists* at time. I would guess that's because the wifi antenna inside the pi is so tiny, is buried inside the m...

I want to build a Mame machine (Retropie). Must I use a Pi 4B or is a 3B good enough? How much RAM needed?
ty