[scoutt]

I wonder how all these maker sellers get along with Bluetooth SiG certification.

Edit: I mean, the product is presented very well. There was a clear investment in time and money. And because of that, this question was the first thing that came to my mind.

[kevinbowman]

They likely use off-the-shelf bluetooth modules which are already certified, and just talk some kind of higher-level protocol over it which sits above the SiG certification.

[scoutt]

Many think this is true (even I did) but it's not. You have to certify the product anyway, even if you use an off-the-shelf module.

The only difference is that you can "certify with test" and "certify without test" (and price changes, starting from 5K a pop). Even evaluation boards and for prototyping, so I guess a end-user keyboard has to be certified[1].

[1] https://softwareengineering.stackexchange.com/questions/1352...