Features: Experience precise signal analysis with this USB spectrum analyzer and signal source set. Crafted from high quality aluminum alloy, this portable device ensures durability for long lasting use. Suitable for professionals in electronics engineering, communication technology, and radio enthusiasts seeking accurate frequency domain analysis. Improve your signal debugging, spectrum monitoring, and wireless device testing in various scenarios easier. Take advantage of high speed frequency scannings and dynamic logarithmic ratio for enhanced accuracy in your frequency analysis. Specifications: Material: aluminum alloy Size: approx 1.9x5.5x8.3cm/0.75x3.27x2.17inch Interface: USB Power: USB Standby current: 100mA Sweet current: 350mA Scannings bandwidth: 33mhz --4400mhz Open the trackings source output bandwidth of 33MHz --3000MHz Sweet Step: 33~68.75MHz/125Hz, 68.75~137.5MHz/250Hz, 137.5~275MHz/500Hz, 275~550MHz/1KHz, 550~1100MHz/2kHz, 1100~2200MHz/4KHz, 2200~4400 mHz/8KHz Scannings speed: over 800 points/second Frequency scan dynamic logarithmic ratio:&tg; 50dB Point frequency or sweeps frequency output power: 0 division frequency Input detection: 10dbm Background: -60dBm Software used on the computer: NwT4.11.09 version Computer operating systems: WINXP, WIN7, WW10 Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 set USB Spectrum Analyzer