The Wavetek 3001 is a Signal Generator that provides high-stability signals to an accuracy of 0.001% over a frequency range of 1MHz to 520MHz, selectable in 1kHz steps. Product Specs: Amplitude range 0 to 90%. AM frequency: internal is 400Hz and 1kHz ( 5%); external is DC to 20kHz (3 dB bandwidth) Accuracy of 5% of reading + 5% at a frequency of 1kHz. FM frequency: internal is 5%: 400Hz and 1kHz; external is DC to 25kHz when frequency vernier is not in CAL position. Peak deviation standard ranges are 0 to 10kHz and 0 to 100kHz. Accuracy of 500 Hz on x1 range; 5kHz on x10 range.