[ GLOSSARY DEFINITION ] Connectivity n77 A 3.3-4.2 GHz 5G band (C-band). Also known as: Band n77 Full Definition & Technical Explanation n77 — A 3.3-4.2 GHz 5G band (C-band).This connectivity term is part of the CompareTech technical dictionary and helps you read specifications, comparisons, and benchmark data across its device database.See also: EV-DO C-band. Related Technical Terms C-band The 3.7-4.2 GHz spectrum used for mid-band 5G. Connectivity EV-DO An evolution of CDMA 2000 1x for data. Connectivity ← All Glossary Terms How We Score → ← Previous Term Next Term →