A TV-studio-use wireless HDTV camera, which is called "a millimeter-wave mobile camera", is being developed. In this development, High-Definition TV picture transmission with high quality, low latency and high link reliability is required. This time, Millimeter-wave Mobile Camera which can transmit High-Definition TV picture within 1 frame (33msecs) latency was developed and used on 59^<th> NHK Red and White Year-end Song Festival which was held in NHK hall on December 31^<st>, 2008. It was the first time to be used in TV program.