Which processor and transceivers are used in XBee/XBee-PRO ® DigiMesh 2.4 RF Modules ?

XBee & XBee Gateway XBee Programamble (S2C & 900 HP)
1

Which processor and transceivers are used in XBee/XBee-PRO ® DigiMesh 2.4 RF Modules ?

2

Freescale. Not sure about the transceivers.

3

Freescale MC13191.