Features: Discover accurate frequency analysis with the usb spectrum tool. Crafted with high quality materials for durability and convenience. Suitable for electronic engineers and diy enthusiasts seeking reliable measurements. Versatile tool for various settings, from professional labs to home workshops. Unlock the potential of precise frequency measurements with this must have usb spectrum tool. Specifications: Material:Metal Scannings bandwidth: 33mhz-4400mhz Output bandwidth of tracking generator: 33mhz-3000mhz. Interface: USB Standby current: less than or equal to 100mA Scannings current: less than or equal to 350mA Frequency: 800points/second or more. Dynamic logarithmic ratio of scanning: greater than 50dB. Point frequency or output power: 0dBm Input detection: less than or equal to 10dbm Background: -60dBm Software used on the computer: NWTversion NWT4.11.09 Computer operating systems: winxp, win7, win10. Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Spectrum Analyzer