You cannot use anybody elses remote for Tuner 2 on your 522 since it is only UHF. I recomend a MX-850 for your 811 and Tuner 1 on your 522. It is RF& IR, but the RF will not directly control RF equipment. You need the MRF-250 base to control the equipmnet in the other room.
CEDIA University Designer CAT Team Member CEDIA University Instructor CEDIA Registered Outreach Instructor