http://news.silabs.com/2016-11-08-Bluetooth-SiP-Module-from-Silicon-Labs-Offers-Worlds-Smallest-Footprint-for-IoT-End-Nodes

Please, take a look at the Soc version, only 3,33,10,5 ... Ok it is a Soc version ...

but unbelievable ....
BR
JP
Same question for WIFI bgn and bng/ac ... including a low power CortexM4F also ?