Feature:1. This device features low cost, small size, low power consumption, high precise and high stability, wide dynamic range.2. It has a frequency range from IF to UHF audio. Suitable for a variety of applications which need to reduce signal to decibel equivalent.3. The PCB adopts 1.6mm thick double‑sided board, and the whole process of spraying tin to ensure good passing performance of large and small currents.4. The joint is smooth and burr‑free, easy to install, and easy to replace. The default range of input power is ‑75~+15dBm, stable work.5. Simple structure, convenient use, stable and reliable performance, high sensitivity, and fast measurement speed.Specification:Item Type: Logarithmic DetectorMaterial: PCBModel: AD8307Default Range of Input Power: -75~+15dBmPower Supply Voltage: 6~12V@<10mA Package List:1 x Logarithmic DetectorNote:1. Don't overload it.2. Do not use over pressure.3. Do not use over current.