[thmsths]

Unlike the FDK module, this module requires an external crystal oscillator, which makes me think that the total footprint ends up being larger.

[teleforce]

To be fair to Silicon Labs, they don't claim the smallest BLE module but FDK did exactly that [1].

[1] The world's smallest Bluetooth® Low Energy Module, the new model "HY0021":

https://www.fdk.com/whatsnew-e/release20241021-e.html