Features: 2in1 device: Handheldd spectrum analyzers+signal Generators. This spectrum analyzers have a builtin signal Generators. When not in use as spectrum analyzers, can use as signal Generators. Spectrum display range: 35MHz~6200Mhz. Place external aerials on the station to quickly analyze the environment. Check if the cluster cell is operating correctly, repair and adjust relays, generators, filters, etc. MeasureSWR when use external directional couplers. 3.2inch Screen : 3.2inch color screen display, viewings of test data. Sensitive response, we have a handwriting pen specifically suitable for this purpose. Builtin 3000mAH battery, rechargeable and for at least 4 hours. PC Software Control : The spectrum analyzers can connect with PC via USB to transfer data to the PC. Specifications: Material:Aluminum Alloys Package Includes: 1x Spectrum Analyzers & Signal Genertor 1x USB C Cable 2x SMARG316 Cable(30cm/11.81'') 1x SMAkk Female Connectors 1x Paddle 1x Touch Pen note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.