Only the holder of the grant of authorization of the particular certificated CB transmitter may make the modifications permitted under the provisions for certification (see part 2 of this chapter.) No grantee shall make any of the following modifications to the transmitter without prior written permission from the FCC (Federal Communications Commission):
(a) The addition of any accessory or device not specified in the application for certification and authorized by the FCC in granting the certification;
(b) The addition of any switch, control or external connection;
(c) Any modification to provide for additional transmitting frequencies, increased modulation level, a different form of modulation, or increased TP (RF transmitter power expressed in W (watts), either mean power (TP averaged over at least 30 cycles of the lowest modulating frequency, typically 0.1 seconds at maximum power) or peak envelope power (TP averaged during 1 RF cycle at the highest crest of the modulation envelope), as measured at the transmitter output antenna terminals.)
[53 FR 36789, Sept. 22, 1988, as amended at 63 FR 36610, July 7, 1998]
Title 47 published on 2013-10-01
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