47 C.F.R. § 76.610
The provisions of §§ 76.605(d) , 76.611 , 76.612 , 76.613 , 76.614 , 76.616 , 76.617 , 76.1803 and 76.1804 are applicable to all MVPDs (cable and non-cable) transmitting analog carriers or other signal components carried at an average power level equal to or greater than 100 microwatts across a 25 kHz bandwidth in any 160 microsecond period or transmitting digital carriers or other signal components at an average power level of 75.85 microwatts across a 25 kHz bandwidth in any 160 microsecond period at any point in the cable distribution system in the frequency bands 108-137 and 225-400 MHz for any purpose. Exception: Non-cable MVPDs serving less than 1000 subscribers and less than 1,000 units do not have to comply with § 76.1803 .
47 C.F.R. §76.610