(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.
47 C.F.R. §80.854
51 FR 31213, Sept. 2, 1986, as amended at 76 FR 67615, Nov. 2, 2011