If you are a cable operator or MSO then this is the cable TV DB meter at the lowest price in India. This Solid Cable TV DB Meter SF-765 is good for checking digital cable TV signal. Cable TV Gain Measuring Instrument with MER+BER+Spectrum Analyzer Features : User-Friendly Interface With AC/DC Power passes tester Power, MER, BER & Channel lock-in display 7.4V/2600 mAh Long Life Battery Channel plan backup & Upgrade through USB 8 Channel Tilt Spectrum View Available Self Calibration (Adjustment) of all, Single Channel Power, MER & Factory Reset Options.