Thought if someone was interested, I'd post what's onboard the Ares Nanos FP75 heli.
<fyi>
The stabilization is achieved through the InvenSense MPU6050 6-axis gyro. The heli talks to the Tx, and vice versa, by a Beken BK2423 2.4Ghz GFSK Transciever. All this is controlled by a Cortex M0516ZDN...