Advanced Spectrum Analysis: Equipped with a 4.0-inch touch screen with a resolution of 480 x 320, it provides a wide measurement range from 100kHz to 5.3GHz Extended Frequency Capabilities: Experience superior frequency analysis ranging from 100kHz to 5.3GHz. It includes switchable resolution bandpass filters from 200Hz to 850kHz, providing precise measurements and a color display to visualize up to 450 sweep points across the entire spectrum Dual Functionality: The device doubles as a spectrum analyzer and a signal generator. The built-in calibration signal generator facilitates automatic self-test and calibration, thereby improving the accuracy and reliability of the device Enhanced Storage Capacity: The spectrum analyzer comes with a 32GB card for extensive data storage and easy data transfer to other devices for further analysis Versatile Applications: Ideal for such as telecommunications, engineering, and network maintenance, it helps detect frequencies, measure signals, and identify interference sources Display size:4 inch TFT LCD (480x320) Max low input frequency:800MHz, 6GHz in Ultra mode Resolution filters in 1,3,10 steps:from 200Hz to 850kHz Max output frequency:Sinus up to 800MHz, Square wave up to 4.4GHz Output level:-104dBm to -16dBm Ultra mode:Level calibrated up to 5.3GHz Internal LNA gain:20dB up to 4GHz Displayed points per scan:max 450 0-350MHz scan time:165ms Shortest zero span time:17ms Colour:As Shown Material:Metal + Plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * Spectrum Analyzer Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.