Specification: Detection frequency range: 9khz~30mhz (kh3961) or 9khz~300mhz (kh3962) Frequency stability: 1x 10-6 Frequency resolution: (9khz~150khz) 30hz; (150khz~30mhz) 1khz Test tolerance: 2 db Measure and detection method: pk, qp and av Measure range from 20db|172;v to 140db|172;v Frequency scanning step length: 20hz~2mhz Sweep bandwidth: 200hz; 9khz; 120khz Connect pc via usb and software can be run win7, win8
