Signal generator freq. Range 0.4 to 1000 mhz; audio generator freq. Range 50hz to 15khz, output range 1millivolt to 2 volts; frequency meter range 1.5 mhz to 1000mhz; power meter input range 100 milliwatts to 30 watts; modulation meter input freq. Range 1.5 to 1000 mhz; distortion meter freq. 1khz; level meter freq. Range 50hz to 20khz; counter range 10hz to 20khz