[ Upgraded SA5] Upgraded IPS LCD 4-inch HD display and knob design, easier to operate, more sensitive to touch, more accurate, helping you read data quickly. [Upgraded Battery Life] The upgraded SA5 analyzer has a built-in large-capacity 5000mAh rechargeable battery, providing 10 hours of portable use time, with Type-c charging cable, no need for frequent charging [2 in 1 Multifunction] SA5 is a compact frequency harmonic analyzer and signal generator with many impressive features. [Frequency Harmonic Analyzer] The frequency range is 0.1-800MHZ. After turning on Ultra mode, it provides a signal frequency of up to 5.3GHz that can be calibrated, and can be adjusted to a signal frequency of up to 12GHz. [Signal Generator] When not used as a frequency analyzer, it can output 0.1-800MHz sine waves, square waves up to 4.4GHz, or RF test signals up to 5.3GHz. [Switchable resolution bandpass filter] Resolution bandpass filter range from 200Hz to 850kHz. [Optional LNA] Built-in 20dB low noise amplifier (LNA). [Frequency harmonic display] Displays up to 450 points, showing 4 independently configured curves: [Storage] Micro-sdcard slot for storing measurement data, settings and screenshots. [Input attenuator] Step attenuator adjustable from 0dB to 31dB (cannot be used with LNA) [Calibration]: Built-in calibration signal generator for automatic self-test and input calibration, [PC connection] Connect via USB, function as a PC-controlled frequency harmonic analyzer or signal generator. Convenient data transfer directly to the computer. Different batches have different printing labels, and the color and appearance of accessories are randomly sent. Don't accept the specified, which will not affect the use Colour:Black Material:Metal + Plastic Package Contents: 1 x Host (with 5000mAh battery, 4-inc