Welcome to our shop! This RF Logarithmic Detector is designed with the AD8310 chip, ensuring accurate and detailed RF signal power detection across a frequency range of 1-440MHz. The output voltage of this detector is proportional to the logarithm of the input signal amplitude, expanding the dynamic range of the detected signal. We prioritize quality and safety, implementing strict quality control measures to provide you with a high safety factor product that can be used with peace of mind. This detector features a compact size, making it easy to carry and store. It is also convenient to use and offers excellent performance. Material: Synthetic cardboard Operating Temperature Range: -20℃～85℃ Temperature Measurement Range: 0℃～1024℃ Converter Temperature Resolution: 0.25℃ Working Voltage: DC3.0 - 5.5V Working Current: 50mA For your satisfaction, our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for choosing our RF Logarithmic Detector.