Features • Automatic Low Input Calibration: Enjoy measurements with the built-in self-test feature that ensures accurate low input calibration for reliable performance • Seaml PC Connectivity: Easily connect the analyzer to your PC via USB, enabling advanced command execution and data management for enhanced analysis capabilities • High Sensitivity and Efficiency: Benefit from superior sensitivity and non-static response, ensuring signal analysis with an extended service life • and Reliable Materials: Constructed with PCB materials, this device offers excellent reliability, miniaturization, and easy maintenance for long-term use • Comprehensive Accories Included: Input power range of -80 to 0dBm, complete with necary wiring, data cable, and schematic diagram for straightforward installation and Features: 1、You can roughly estimate the strength of the corresponding channel through the scale below and the height of the corresponding bar. 2、Equipped with nRF24L01 module with PA and the original 3DB high-gain antenna. 3、Small but clear, the display screen a two？colour 0.96 inch organic light emitting diode screen, making the easier. 4、This spectrum analyser can scan 128 channels, from 2.400 to 2.527, one frequency point per 1M. 5、Small size and light weight allow for convenient carrying and storage. Ideal for outdoor using. 6、There is a battery icon in the upper right corner of the screen. And it will automatically turn off at low voltage. Specification: Item Type: Simple Spectrum Analyzer Material: ABS Battery Capacity: 600mAh Battery Model: Lithium Battery (Built-in battery is shipped) Working Current: 40mA Battery Charging Time: 2 Hours Battery Charging Voltage: 5V Package List: 1 x Simple Spectrum Analyser 1 x Antenna 1 x USB Cable Note: betweendiv>1. Please do not overcharge, which will affect the battery life;betweenbetweendiv>2. Please do not use over frequency; betweenbetweendiv>3. Please do not knock the product, it will cause the product to be damaged and cannot be used; between Package List 1 x Simple Spectrum Analyser 1 x Antenna 1 x USB Cable