FILTERS COMBINERS COMPONENTS ISM MORE… Digital Mask Requirements You are here: Home / Filters / Digital Mask Requirements DVB-T Breakpoints Non Critical ≤ 5 W Non Critical ≤ 10 W Non Critical Critical C.F ±4.2 MHz, Mask / Filter -33 dBc / 0 dB -36 dBc / 0 dB -40 dBc / 4 dB -50 dBc / 14 dB C.F ±6 MHz, Mask / Filter -45 dBc / 9 dB -48 dBc / 12 dB -52 dBc / 16 dB -62 dBc / 26 dB C.F ±12 MHz, Mask / Filter -70 dBc / 34 dB -73 dBc / 37 dB -77 dBc / 41 dB -87 dBc / 51 dB Tunings 4-Pole T-4P.06 (T2), T-4P.01 (T) 5-Pole T-5P.06 (T2), T-5P.01 (T) 4-Pole A.N.T. T-4A.05 (T2), T-4A.01 (T) 6-Pole XLine T-6X.07 (T2), T-6X.01 (T) 7-Pole XLine T-7X.06 (T2), T-7X.01 (T) 6-Pole DualCross T-6D.13 (T2), T-6D.01 (T) 8-Pole DualCross T-8D.06 (T2), T-8D.01 (T) Notes ATSC Breakpoints Simple Stringent Full Service Increased Attenuation UHD Korean C.F ±3.5 MHz, Mask / Filt. -35 dBc / 0 dB -36 dBc / 0 dB -36 dBc / 0 dB – / 15 dB -51.4 dBC / 15.4 dB (1) C.F ±6 MHz, Mask / Filt. -42 dBc / 6 dB -65 dBc / 29 dB -65 dBc / 29 dB – / 45 dB -94.4 dBC / 58.4 dB (2) C.F ±9 MHz, Mask / Filt. -60 dBc / 24 dB -65 dBc / 29 dB -99 dBc / 63 dB – / 63 dB -94.4 dBC / 58.4 dB (3) Tunings 4-Pole T-4P.04 (3.0/1.0) 5-Pole T-5P.04 (3.0/1.0) T-5P.04* (3.0/1.0) 6-Pole T-6E.04 (3.0/1.0) T-6E.04* (3.0/1.0) 4-Pole A.N.T. T-4A.04 (3.0/1.0) T-4A.04* (3.0/1.0) 6-Pole XLine T-6X.04 (3.0/1.0) T-6X.04* (3.0/1.0) 7-Pole XLine T-7X.04 (3.0/1.0) 6-Pole DualCross T-6D.16 (3.0), T-6D.05 (1.0) 8-Pole DualCross T-8D.05 (3.0/1.0) T-8D.10 (3.0) Notes ISDB-T Breakpoints Non Critical Sub Critical Critical C.F ±3.15 MHz, Mask / Filter -36 dBc / 0 dB -43 dBc / 7 dB -50 dBc / 14 dB C.F ±4.5 MHz, Mask / Filter -53 dBc / 17 dB -60 dBc / 24 dB -67 dBc / 31 dB C.F ±9 MHz, Mask / Filter -83 dBc / 47 dB -90 dBc / 54 dB -97 dBc / 61 dB Tunings 4-Pole A.N.T. T-4A.?? 5-Pole T-5P.05* 6-Pole XLine T-6X.05* 7-Pole XLine T-7X.05 T-7X.05* 6-Pole DualCross T-6D.14 T-6D.14* 8-Pole DualCross T-8D.04 Notes DAB Breakpoints Case 1 (Critical) Case 2 (Uncritical) Case 3 Case 4 C.F ±0.97 MHz, Mask / Filter -45 dBc / 10 dB -30 dBc / 0 dB -45 dBc / 10 dB -52 dBc / 17 dB C.F ±1.75 MHz, Mask / Filter -80 dBc / 45 dB -50 dBc / 15 dB -80 dBc / 45 dB -83 dBc / 48 dB C.F ±2.22 MHz, Mask / Filter -80 dBc / 45 dB -61 dBc / 26 dB -100 dBc / 65 dB -100 dBc / 65 dB C.F ±3 MHz, Mask / Filter -80 dBc / 45 dB -80 dBc / 45 dB -100 dBc / 65 dB -100 dBc / 65 dB Tunings 7-Pole (DAB) T-7R.02 T-7R.01 6-Pole DualCross (DAB) T-6R.01 T-6R.03 8-Pole DualCross (DAB) T-8R.01 T-8R.03 Notes Next: Downloads Previous: Power Ratings & Environmental Conditions COM-TECH Italia SpA Via Artigianato, 9 23017 Morbegno (SO) - Italy Tel +39 0342 601159 E-mail: info@com-tech.it VAT IT 00686770140 © Copyright COM-TECH Italia SpA | Privacy and cookies policy login credits