Features: With fine power insensitivity and temperature stability. This device achieves the perfect combination of low cost, small size, low power consumption, high-precision and high stability. Extremely wide dynamic-range and frequency-range from IF to UHF audio. Suitable for many applications which need to reduce the signal to decibel equivalent value. Input frequency is from 0.1MHz to 600MHz. The default-ranges of input power: -75~+15dBm. The powersupply voltage is 6-12V@<10mA. Applications: Signal level convert to dB form. Power measurement of antenna of transmitter. Receiver signal strength indicator (RSSI). Low-cost r-adar and sonar signal processing. Network and spectrum analyzer (up to 120 dB). Make sure the signal level is as low as 20Hz. Multimeter true dB AC mode. Specifications: Name: AD8307 Module Material: printed circuit board The default-range of input power: -75~+15dBm Powersupply voltage: 6-12V@<10mA Input frequency: 0.1-600MHz Module voltage-gain: 14.3dB Input output impedance: 50ohm Max output power: P1:20dB Working temperature: -40 to 85 Input interface: SMA Item size: 57 * 24 * 7mm / 2.24 * 0.94 * 0.28in Item weight: 5g / 0.18ounce Package size: 80 * 51 * 10mm / 3.15 * 2.01 * 0.39in Package weight: 6g / 0.21ounce Packing List: 1 * AD8307 Module