{"data":{"id":"us/47-cfr-22.759","jurisdiction":"us","citation":"47 CFR 22.759","heading":"Power limit for BETRS.","body":"The effective radiated power of central office and rural subscriber station transmitters used in basic exchange telephone radio systems must not exceed the limits in this section.\n(a) Maximum ERP. The effective radiated power (ERP) of central office and rural subscriber station transmitters in BETRS must not exceed the applicable limits in this paragraph under any circumstances.\nFrequency range (MHz) Maximum ERP (watts)\n152-153 1400\n157-159 150\n454-455 3500\n459-460 150\n(b) Height-power limit. The ERP of central office stations in BETRS must not exceed the amount calculated as follows:\nERPw = 557,418 ÷ hm2\nwhere ERPw is the effective radiated power in Watts\nhm is the average (eight cardinal radial) antenna height above average terrain in meters","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER B—COMMON CARRIER SERVICES","PART 22—PUBLIC MOBILE SERVICES","Subpart F—Rural Radiotelephone Service"],"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":"a29d6bba6814152c44b7442340205ee8e345943ce5ed31f5752f3b5b70d64f17","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-22.757","next":"us/47-cfr-22.801"},"notice":"GroundRules: Original legal text. Not legal advice."}