[Code of Federal Regulations] [Title 47, Volume 2] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR22.383] [Page 45] TITLE 47--TELECOMMUNICATION COMMISSION (CONTINUED) PART 22_PUBLIC MOBILE SERVICES--Table of Contents Subpart C_Operational and Technical Requirements Sec. 22.383 In-building radiation systems. Licensees may install and operate in-building radiation systems without applying for authorization or notifying the FCC, provided that the locations of the in-building radiation systems are within the protected service area of the licensee's authorized transmitter(s) on the same channel or channel block.