{"data":{"id":"us/47-cfr-18.303","jurisdiction":"us","citation":"47 CFR 18.303","heading":"Prohibited frequency bands.","body":"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.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER A—GENERAL","PART 18—INDUSTRIAL, SCIENTIFIC, AND MEDICAL EQUIPMENT","Subpart C—Technical Standards"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"3c7c13f7e547132f7ef4352faaeeb0de61cf2764b4d3b7c4d1797103d09e666d","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-18.301","next":"us/47-cfr-18.305"},"notice":"GroundRules: Original legal text. Not legal advice."}