Passband Bandwidth 30MHz: This filter provides guaranteed passband bandwidth of 30MHz with low insertion loss and steep cutoff characteristics. Applicable Scenarios: Our bandpass filter is used for performance optimization of ADS B receivers at 1090MHz. No out of band spurious response. Out of Band Signal Filtering: The bandpass filter effectively filters out of band signals to reduce noise, increase dynamic range and improve stability. Aluminum Alloy Material: The bandpass filter is made of aluminum alloy with excellent craftsmanship and is very safe to use. Anti Interference: Our band pass filter is anti interference, practical, light in overall weight, easy to install and friendly to novices. Specification: Item Type: Bandpass Filter Impedance: 50Ohms Center Frequency: 1090MHz Passband (1dB bandwidth): 30MHz (See measured frequency response diagram for details) 30dB Bandwidth: In Band Insertion Loss: 1.7 to 2.2dB Maximum Load Power: 100mW (20dBm) Interface: SMA M, SMA F Color: As Shown Material: metal Package Contents: 1 x Bandpass Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.