MS5803A Variometer Module
LSM303DLHC 3D digital linear acceleration
HMC5843/5883 Honeywell 3-Axis Digital Compass
Ti CC2567 ANT+, BT chip.
MediaTek GPS
CPU ( may also be Mediatek ARM core )
Fenix 2的区别只在于第一项没有A，MS5803
资料来源：Garmin国际论坛中名为Fenix/tactix chip sets的帖子，ZUKJEFF发布
