The R/C Service is a private, one-way, short distance non-voice  communications service for the operation of devices at remote locations.

Links of interest
FCC Part 95 - Personal Radio Services Information

Radio Control Frequencies
26.9950	27.0450	27.0950	27.1450	27.1950
27.2550	72.0100	72.0300	72.0500	72.0700
72.0900	72.1100	72.1300	72.1500	72.1700
72.1900	72.2100	72.2300	72.2500	72.2700
72.2900	72.3100	72.3300	72.3500	72.3700
72.3900	72.4100	72.4300	72.4500	72.4700
72.4900	72.5100	72.5300	72.5500	72.5700
72.5900	72.6100	72.6300	72.6500	72.6700
72.6900	72.7100	72.7300	72.7500	72.7700
72.7900	72.8100	72.8300	72.8500	72.8700
72.8900	72.9100	72.9300	72.9500	72.9700
72.9900	75.4100	75.4300	75.4500	75.4700
75.4900	75.5100	75.5300	75.5500	75.5700
75.5900	75.6100	75.6300	75.6500	75.6700
75.6900	75.7100	75.7300	75.7500	75.7700
75.7900	75.8100	75.8300	75.8500	75.8700
75.8900	75.9100	75.9300	75.9500	75.9700
75.9900