Device with Nordic nRF51822, muRata Type-1BD SiP (containing Broadcom BCM43362 WiFi silicon and STM32F405 microcontroller) plus ultra-low-power STM32L052. BLE and WiFi RF paths are shared with an RF switch (Skyworks SKY13370.)
Breakout for STM32 microcontroller in 64BGA (8x8 balls at 0.5mm pitch) to breadboard-friendly packaging.