MKS Frequency Spectrum Scanner (40-41MHz) The smallest portable Frequency Spectrum Scanner in the world with big wide screen display. Easy to operate. Easy to carry.
Features: 1. Frequency range, channel, resolution, level and attenuation selectable 2. Low voltage warning 3. Sound signal 4. Auto shut down for power saving 5. Measurement range: 300m 6. Low current consumption : 8mA