CFR › Title 47 › Part 80 › §80.85447 CFR §80.854Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe radiotelephone installation includes:(a)A radiotelephone transmitter;(b)A receiver as specified in § 80.858(a);(c)A main source of energy;(d)A reserve source of energy, when required by § 80.860(a);(e)An antenna system.