Features: The RF front-end is meticulously designed using two-stage low noise amplifiers and two-stage dedicated filters Used for front-end RF amplification of ADS-B receiver It has the characteristics of highgain, low noise, and large dynamic ranges. Special design: Adopting a dualfilter structure to ensure sufficient suppression of out ofband signals effectively improve signal-to-noise ratio Working frequency: 1090MHz (dedicated for ADS-B reception). Specifications: Working voltage: 3.3-5.0volts Working frequency: 1090MHz (dedicated for ADS-B reception) Amplificationgain: 38dB Out ofband suppression: -75dB @+-50MHz -55dB @+-1GHz Special design: Adopting adual filter structure to ensure sufficient suppression of out ofband signals and effectively improve signal-to-noise ratio. Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC 1090MHz RF Low Noise Amplifier