Yup. The 3 satellites will be used for primary communication along with an X-band transmitter on the rover itself to talk to earth. Edit: Link (communications)

Yup. The 3 satellites will be used for primary communication along with an X-band transmitter on the rover itself to talk to earth. Edit: Link (communications): http://en.wikipedia.org/wiki/Curiosity_rover#Specifications http://en.wikipedia.org/wiki/Curiosity_rover#Specifications