jt : " Turning on both Bolts shows an additive increase in signal which is now problematic. "
" In the mean time, has anybody run across this before ...? "
yes, it is RF interference, and we talk about it here quite a lot.
" And should a product that works in the 5ghz range be spewing out noise in the 500mhz range. "
maybe, maybe not, but they frequently do... the FCC (USA) does have some regulations regarding such "spurious emissions", but even with good RF design (quite a complicated topic itself) there are frequently RF emissions present at harmonic, sub-harmonic, and intermediate frequencies.
there are numerous other factors, including...
TV: " Also make sure they are using good shielded SDI cables, have had RF issues before from shitty cables. "
there are typically significant differences amongst cables, connectors, and adapters; and price can be a clue...
AVU: " Quality cable is a must. "
RPS: " I wonder what would happen if Zaxcom and Lectro and others built radio mics that affected the remote focus and HD monitoring? " these devices are not only sources, but also must contend with all the other stuff out there, including our's.