CPC Subgroup
H04L 27/183 Full Title
Modulated-carrier systems > Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence)
Search Classifications
Search for IPC and CPC classification codes or keywords
H04L 27/183 Modulated-carrier systems > Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence)