C band

The portion of the microwave radio spectrum in the ranges of 3.7–4.2 GHz and 5.924–6.425 GHz, as specified by the ITU-T.Applications include satellite and terrestrial microwave systems. See also electromagnetic spectrum, ITU-T, microwave, and satellite.

• CBDS (Connectionless Broadband Data Service)
• CBR (Constant Bit Rate)
• CCIR (Comité consultatif international des Radiocommunications)
• CCITT (Comité consultatif international télégraphique et téléphonique)
• CCK (Complementary Code Keying)
• CCLC (Common Carrier Line Charge)
• CCPA (Cable Communications Policy Act of 1984)
• CCS
• CCS7 (Common Channel Signaling System 7)
• ccTLD (country code Top Level Domain)
• CCTV (Closed Circuit TeleVision)
• cd
• CDDI (Copper Distributed Data Interface)
• CDG
• CDMA2000 (Code Division Multiple Access 2000)
• CDMA (Code Division Multiple Access)
• CDMA Digital Cellular (Code Division Multiple Access Digital Cellular)
• CDMA Digital Cellular (Code Division Multiple Access Digital Cellular)
• cdmaOne (code division multiple access One)
• cdmaOne (code division multiple access One)
• CDPD (Cellular Digital Packet Data)
• CDR (Call Detail Record).
• CDSU (Channel Data Service Unit)
• CDV (Cell Delay Variation)
• CDVT (Cell Delay Variation Tolerance)