Feature: 1. Has the functions of remote system monitoring and diagnosis, return loss, and AC signal logarithmic ratio. 2. Using Printed Circuit Board1.6mm thick double‑sided board, the whole process of spraying tin to ensure good current passing performance. 3. Precise radio frequency power control, precise gain measurement scale, improve efficiency. 4. Measure gain, loss and phase up to 2.7GHz, dual demodulation logarithmic amplifier and phase detector, input range in 50Ω system ‑60dBm to 0dBm. 5. Various measurements, AD8302 can measure the gain and phase difference of amplifiers, mixers and other circuits. Specification: Item Type: Phase Detector Module Material: Printed Circuit Board Chip Model: AD8302 Dynamic Range: 60dB Impedance: 50Ω Input Signal Range: -60 dBm to 0dBm Frequency: 0-2.7GHz. Package List: 1 x Phase Detector Module Note: 1 Don't overload use.2 Do not use over pressure.3 Do not use over current.