The Blonder Tongue HDE-4S-QAM (MPEG-2 HD Encoder- 4xHD-SDI/4xComponent- 4xQAM) accepts up to four (4) high-definition (HD) programs from any of the following inputs: 4xHD-SDI, and 4xComponent. MPEG-2 encoded outputs are available in the following formats simultaneously: 4xQAM, 1xGigE (1000Base-T Ethernet), and 4xASI.