CATV Tester Cable TV Handle Digital Signal Level Meter USA STD-CATV (5M-870M Hz) Frequency Range: 5MHz-870MHz Channel: U.S. Standard Channel USA STD-CATV, U.S. digital standard channels USA STD-CATV Level Measuring Range: 30dBuV- 120dBuV Carrier-to-noise ratio measurement accuracy: +/- 3dB