This filter can a passband bandwidth of 30MHz, low insertion loss, and a steep cut-off characteristic. Performance optimization of ADS-B receivers for 1090MHz to effectively filter out-of-band signals, reduce noise, and increase dynamic range. The device is ultra-small and easy to use. Model: FBP-1090s Impedance: 50 Ohms Center frequency: 1090 MHz Passband (1 dB bandwidth): 30 MHz (see measured frequency response diagram for details) 30 dB bandwidth: Less than 80 MHz In-band insertion loss: 1.7 to 2.2 dB Maximum Carrying Power: 100 mW (20 dBm) Interface: SMA-M, SMA-F Material: Metal colour: As shown Package Contents: 2 x 1090S 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.