Specifications Tuning range from 5M~862MHz Tuning mode by channels or by frequency Level measurement Analogue channels Measurement IF bandwidth 280kHz +- 50kHz Input impedance 75ohm Measuring range from 25 to 120 dBμV Accuracy + - 2dB (from 0 to 40 degrees Centigrade) Digital channels Measurement MER (modulation error ratio) measurement range 19~35dB for 64 QAM Accuracy +-2dB BER (bit error rate) measured before RS decoding measurement range 10E-2 to 10E-8 Symbol rate 1MS/S-7MS/S Modulations type 16/32/64/128/256QAM DVB-C/ITU-TJ.83-AnnexA Bandwidth 8MHz Frequency tuner 100 KHz Measuring range from 40 to 120 dBμV Accuracy + - 3dB (from 0 to 40 degrees Centigrade)