Rob,
See http://www.ti.com/tool/cc1120-cc1190em915rd for the CC1120. App. Note AN110 and the schematic on that page for 915 MHz operation also applies for the CC1125.
To the best of my knowledge none of our third parties offer modules with high output power.
On our web site you will find reference design for CC1120+CC1190, which operates up to +27 dBm and CC1120+SKY65313 which operates up to +30 dBm
See: http://www.ti…
CC1190 can be used with CC1000, although I do not understand why you would do new development using CC1000. We have alternative radios to CC1000 that are better in terms of performance and cost.
We do not have a CC1000+CC1190 reference design. You need…