[Code of Federal Regulations] [Title 47, Volume 2] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR24.131] [Page 140] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 24_PERSONAL COMMUNICATIONS SERVICES--Table of Contents Subpart D_Narrowband PCS Sec. 24.131 Authorized bandwidth. The authorized bandwidth of narrowband PCS channels will be 10 kHz for 12.5 kHz channels and 45 kHz for 50 kHz channels. For aggregated adjacent channels, a maximum authorized bandwidth of 5 kHz less than the total aggregated channel width is permitted.