DS EN 300632:2005 Transmission And Multiplexing (Tm) - Fixed Radio Link Equipment For The Transmission Of Analogue Video Signals Operating In The Frequency Bands 24,25 Ghz To 29,50 Ghz And 31,0 Ghz To 31,8 Ghz Describes the minimum technical requirements for terrestrial analogue radio relay systems operating in bands in the frequency range 24,25 GHz to 29,5 GHz and 31,0 GHz to 31,8 GHz.