47 C.F.R. § 95.651 Crystal control required.
Title 47 - Telecommunication
All transmitters used in the Personal Radio Services must be crystal controlled, except an R/C station that transmits in the 26–27 MHz frequency band, a FRS unit, a LPRS unit, a MURS unit, a MICS transmitter, or a WMTS unit. [65 FR 60878, Oct. 13, 2000]
Title 47: Telecommunication
PART 95—PERSONAL RADIO SERVICES
Subpart E—Technical Regulations
Certification Requirements
§ 95.651 Crystal control required.