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PCE
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DIFF Subgroup
H04B 1/401

for selecting or indicating operating mode

Introduced: January 2015

Full Title

Full titles differ between systems:

IPC:

Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission > Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving > Circuits > for selecting or indicating operating mode

CPC:

Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission > Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving > Circuits > for selecting or indicating operating mode

No child classifications to compare. This is a leaf node in both IPC and CPC.