Features DURABLE MATERIALS: The shell of the frequency analyzer is made of excellent alloy steel material, adopt fine workmanship, light weight, possess good strength and good corrosion resistance. CALIBRATION FUNCTION: RF frequency analyzer has integrated frequency accumulation (calibration) function, small shape, handheld and portable, practical and convenient. INPUT POWER: The maximum storage tank input power of analyzer is ‑10dBm, the software used on the computer is for NwT4.11.09 version, and the computer operating system supported is for Windows. SIGNAL RANGE: This is a highly sensitive frequency analyzer for 35M~4.4G signals, scanning speed of more than 800 points per second, efficient and effective. COMPLETE ACCESSORIES: Frequency analyzer is equipped with USB interface and SMA 50ohm interface, with 1 USB cable, 2 antennas, 1 machine pad for easy installation and use. Specification: Item Type: Frequency Analyzer Material: Alloy steel Battery: 1 x Polymer battery, Battery Capacity: 3000mAh Standby Current: ≤100mA Scanning Current: ≤350mA Scanning Bandwidth: 35MHz-4400Mhz Open Tracking Source Output Bandwidth: 33Mhz-3000Mhz Scan 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 Scan Speed: More than 800 points per second Frequency Sweep Dynamic Logarithm Ratio: 50db Dot Frequency Or Sweep Frequency Output Power: 0 frequency division Input Detection: 10dbm Background: About -60dBm Software Used On Computer: For NwT4.11.09 version Computer Operating System: For WIN XP, for WIN7, for WW10 Package List: 1 x Frequency Analyzer 1 x USB Cable 2 x Antenna 1 x Stand Pad Package List 1 x Frequency Analyzer 1 x USB Cable 2 x Antenna 1 x Stand Pad