C-band

1. Loosely, the group of microwave frequencies from 4 GHz to 6 GHz used in satellite communications.
2. The band of satellite downlink frequencies between
3. 7 and
4. 2 GHz. Note 1: For federal procurement purposes, the radio frequency band(s) must be specified using the upper and lower limits of the band, per 47 CFR
30
0. Note 2: Letter designators of radio frequency bands are imprecise, and in the international community are deprecated and obsolete.