47 CFR § 95.719
RCRS replacement parts
February 16, 2021
The operator of an RCRS transmitter may replace parts of an RCRS transmitter as indicated in this section. All other internal maintenance and repairs must be carried out in accordance with §95.319.
(a) A damaged antenna may be replaced by another antenna of the same or a compatible similar type.
(b) Batteries in the RCRS transmitter may be replaced with batteries of a type specified by the manufacturer.
(c) To change plug-in modules which were certified as part of the RCRS transmitter.