WyreStorm NHD-140-TX NetworkHD 100 Series AV over IP H.264 Quad Encoder (NEW) The NHD-140-TX is a 4 input to 4 network stream device encoder compatible with the NetworkHD 100 and 200 Series, an ultra low bandwidth H.264 AV over IP solution for distribution of point-to-point, one-to-many and many-to-many over a managed network. With its standards-based approach to video encoding, fast and simple system configuration and robust feature set, it provides the best value in networked video distribution.