Feature:1. APPLICATION: Suitable for high frequency receiver and transmitter signal chains up to 2.5 GHz.2. EASY USING: Only 2.7 V to 5.5 V single power supply, power supply decoupling capacitor and input coupling capacitor are required to work.3. LINEAR OUTPUT: The output is a linear response DC voltage, and the conversion gain is 7.5 V/V rms value. An external filter capacitor can be added to increase the average time constant.4. TRUE POWER MEASUREMENT: Can be used for true power measurement of simple and complex waveforms, especially suitable for measuring high crest factor signals, such as CDMA and WCDMA.5. 3 WORKING MODES: Supports multiple analog to digital converter requirements, when it's in reference voltage source grounding mode, the source is zero.6. STABLE WORKING: The internal reference voltage source mode can bias the output to 350 mV above the ground level; can also provide a reference voltage source mode, which can bias the output to VS/7.5.Specification:Item Type: Frequency Detector ModuleMaterial: Printed Circuit BoardModel: AD8361Frequency: 0.1-2.5GHzMaximum Input: 700 mV rms, 10 dBm (50 resistance). Linear Response: 0.25 dB linear response (to 2.5 GHz). Input Voltage: 2.7 V to 5.5 VPower Consumption: 3.3 mW (3 V)Fast Shutdown Mode: 1 A or less. .Package List:1 x Frequency Detector Module