ADS-B Filter - The transmission range is 1-1.2GHz, used to modify ADS B interfaces, and the pass filter can prevent any interference with signal frequencies outside the pass range. If you experience major interference from out-of-band signals at 1090MH2, this may be useful for ADS B. Connector: SMA Female Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:PCB Package Contents: 1 * ADS-B Microstrip 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.