How many channels does a transponder have?

A communications satellite’s transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas. It is mainly used in satellite communication to transfer the received signals .

A typical satellite has up to 32 K u-band or 24 C-band transponders, or more for K u/C hybrid satellites . Typical transponders each have a bandwidth between 27 and 50 MHz.

Each satellite transponder can carry 2 channels of regular (analog) TV programs, or 6 channels of digital TV programs .