Sec. 95.655  Frequency capability.

    (a) No transmitter will be type accepted for use in the CB service 
if it is equipped with a frequency capability not listed in Sec. 95.625, 
and no transmitter will be type accepted for use in the GMRS if it is 
equipped with a frequency capability not listed in Sec. 95.621, unless 
such transmitter is also type accepted for use in another radio service 
for which the frequency is authorized and for which type acceptance is 
also required. (Transmitters with frequency capability for the Amateur 
Radio Services, Military Affiliate Radio System and Civil Air Patrol 
will not be type accepted.)
    (b) All frequency determining circuitry (including crystals) and 
programming controls in each CB transmitter and in each GMRS transmitter 
must be internal to the transmitter and must not be accessible from the 
exterior of the transmitter operating panel or from the exterior of the 
transmitter enclosure.
    (c) No add-on device, whether internal or external, the function of 
which is to extend the transmitting frequency capability of a CB 
transmitter beyond its original capability, shall be manufactured, sold 
or attached to any CB station transmitter.
[ 53 FR 47718 , Nov. 25, 1988. Redesignated at  61 FR 28769 , June 6, 1996, 
and further redesignated at  61 FR 46567 , Sept. 4, 1996]

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       Additional Type Acceptance Requirements for CB Transmitters