[Code of Federal Regulations] [Title 47, Volume 1, Parts 0 to 19] [Revised as of October 1, 1999] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR18.303] [Page 733] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION PART 18--INDUSTRIAL, SCIENTIFIC, AND MEDICAL EQUIPMENT--Table of Contents Subpart C--Technical Standards Sec. 18.303 Prohibited frequency bands. Operation of ISM equipment within the following safety, search and rescue frequency bands is prohibited: 490-510 kHz, 2170-2194 kHz, 8354- 8374 kHz, 121.4-121.6 MHz, 156.7-156.9 MHz, and 242.8-243.2 MHz.