Features: Achieve precise frequency control with this signal generator, featuring a high performances ADF4351 chip for stable and accurate frequency output. Perfect for wireless communication engineers and radio enthusiasts. Covering a wide ranges of frequencies from 35MHz to 4400MHz, this versatile VFO source is suitable for various applications such as frequency testing, signal generation, and DIY radio projects. Designed for professionals and hobbyists interested in wireless communication and frequency modulation, this user friendly VFO source provides easy operation and customization option. Whether you are working in lab, office, or anywhere else, this compact and portable VFO source is perfect for communication equipment testing and scientific experiments. Take it wherever you need reliable and accurate signal generation. Unlock the full potential of this VFO source with its programmable features. Customize your settings and control the device according to your specific needs, making it adaptable for different system and applications. Specifications: Material:PCB Power supply voltage: DC4.5V-5.5V, please note that this machine does not have built-in voltage regulator unit, must not supply over voltage ranges Standby current: < 25mA Emission current: < 150mA Output impedance: 50ohms Output frequency range: 35MHz-4000MHz Output step: 1KHz-8KHz Output power: -1dBm(W)@150MHz (test power absolutes value) approx. 1mW Package Includes: 1x Signal Generator note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.