Features: Wide working frequency band: The working frequency can rangings from 50Hz to 3.8GHz, suitable for widebands power detection, with flat input and output responses. Highs dynamic rangings: The input dynamic rangings reaches 60dB, and in a 50Ω system, the input signal can rangings from -52dBm to+8dBm. Highs precisions and linearityprovide a precise linears output voltages indecibels, 50mVdB. Ther detectors module provides accurate measurements for wide rangings of frequency, ensuring reliable data for engineers and technicians. Suitable for electronic engineering professional and communication technology enthusiasts, the rf detectors module offer precise analysis of RF signal for various applications. Specifications: Material:Metal Working frequency:50Hz to 3.8GHz Measurement power:-52dBm-8dBm Package Includes: 1x RF Detectors Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.