ISDB exciter RF agile 50MHz-860MHz with step 1Hz; Powerful Linear&Non-linear correction; High performance. ISDB exciterMain Feature: Fully compliant with ISDB-T and ISDB-TB standard Very high modulation performance (MER, RF stability, shoulder level, low phase noise) Support 1k , 2k, 4k FFT modes Guard Interval: 1/4, 1/8, 1/16, 1/32 FEC: 1/2, 2/3, 3/4, 5/6, 7/8 Constellation: DQPSK, QPSK, 16QAM, ...