The WISI Inca Networks GT 23 W module is part of the Tangram product portfolio and provides the conversion from IP signals to QAM channels (digital TV programs). GT 23 W supports a numerous of IP inputs with SPTS VBR/CBR and MPTS CBR, multiplexing and demultiplexing, PSI/SI regeneration, content encryption and can modulate up to 8 QAM channels with different standards  (DVB-C/J.83 Annex A, B, C). Tangram is a very high density and highly flexible solution for all kinds of networks. The WISI Tangram chassis uses a fully redundant concept (n+1, 1+1).