Battery Not Included: This RF Sweep Frequency Generator does not come with a battery, ensuring you can customize your power source according to your specific needs and preferences for optimal performance.Free of High-Concern Chemicals: Our generator is designed with your safety in mind, containing no high-concern chemicals. It's an ideal choice for those who prioritize environmental and personal health.Ideal for Electrical DIY Projects: The Qiilu RF Sweep Frequency Generator is perfect for electrical enthusiasts and professionals alike, offering precise frequency sweeping capabilities for a variety of DIY projects.Authentic Quality from Mainland China: Manufactured with precision and care in Mainland China, our generator stands out for its reliability and durability, backed by the trusted Qiilu brand name.Specifications:Item Type: Signal GeneratorOutput Frequency Range:137.5M-4.4GPower Supply and Communication Interface: TYPE C 5V at 0.2AOutput Signal: 2.2-4.4G fundamental wave (sine wave), 35M-2.2G fundamental frequency division (square wave)Output Signal Interface: SMA FemaleControl: PC controlled with provided software and data cableNote: The product type ( or old) is shipped randomly. Please ensure this is acceptable before ordering. Payment must be completed within 3 days of order. Worldwide shipping available, with items dispatched from the nearest warehouse for quick delivery. Buyer is responsible for import duties.Color: As ShownMaterial: PCBPackage Contents:1 x Signal Generator, 1 x Data CableOnly 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.