“Multichannel Video Distribution and Data Service (MVDDS) provides consumers with TV programming and Internet connectivity from terrestrial transmitters, under exacting technical arrangements that permit it to share the spectrum with satellites (Direct Broadcast Satellites Service).”
“MVDDS licensees may use spectrum in the 12.2 – 12.7 GHz band for any digital fixed non-broadcast service including one-way direct-to-home/office wireless service…”
The FCC Service Rules 47 C.F.R., Parts 1, 101.
There is larger spectrum in the 10.7 — 12.7 GHz band available internationally. The actual frequency range vary by country.