1. 4* hdmi in, 1*asi in, 1*rf in 2.Rf cofdm dvb-t out (2 adjacent carriers output) 3.Iu chassis/portable chassis , LCD&NMS management. Dvb-t modulator section Standard En300744 Fft mode 2k, 8k Bandwidth 6m, 7m, 8m Constellation Qpsk, 16qam, 64qam Guard interval 1/4, 1/8, 1/16, 1/32 Fec 1/2, 2/3, 3/4, 5/6, 7/8 Mer ¡ý42db Rf frequency 30~960mhz, 1khz step Rf output level -30~ -10dbm(81~97 dbµv), 0.1db step