wideband Tranceivers (GSM - DCS - UMTS)

Hi,
I would like to know if you have some books, presentations on wideband Tranceivers for GSM DCS and UMTS.
what does mean co-siitng?

I need a description of a transceiver for GSM, DCS and UMTS

Hi,
No one can help! what's that ?

You can go to silicon lab website and get some datasheet. THey have some tranceivers that can cover four bands.

who has a phtographe of any 3G UE that show the transceiver of that UE?