good image quality, easy to use .I chose this apparatus with a Audible beeps for reception of satellite, for use in motorhome May he averre it is impossible to adjust with parabol is because the system time is too long réponce .Grasse sat a needle pointer and Audible beeps ten euros mounted in parallel with the antenna and interuptor this becomes possible and very facile.Je wonder why demodulators have this big problem , just check the camping forums because for realizing.