RY-S110D CATV Cable TV Handle Digital Signal Level Meter DB Tester 5-870MHz This meter can only measure the analog signal, it can not measure the digital signal. Please note this point. S110/S110D Signal Level Meter is an instrument used for the construction and maintenance of analog TV / digital TV, Frequency scope:5~870MHz Channel: U.S. Standard Channel USA STD-CATV U.S. digital standard channels USA STD-CATV