FCC Registration Number

FRN 0019092980

ULS licenses

Grant date	Call sign	Service	Status	Licensee
2021-04-22	WQNS343	IG	A	COMMERCIAL BUILDING SYSTEMS, INC.
2009-10-01	WQKV927	IG	T	COMMERCIAL BUILDING SYSTEMS, INC.

Request a background refresh from the FCC CORES public registration record. The page request does not contact the FCC directly.