1) Center frequency: 1575MHz 2) Working bandwidth: 20MHz 3) Out-of-band suppression: 38db 4) In-band fluctuation: Less than 1.0dB 5) Insertion loss: 1.5dB (GPS), 2.4 (Beidou) Maximum power: 10dBm (10mW) Applicable temperature: -40C-70C 1575 bandpass filter Center frequency: 1575MHz 3dB bandwidth: 1565-1585MHz Maximum withstand power: 100mW Impedance: 50 Insertion loss: Less than 1.5dB Note: Installation guide not included, we strongly recommend you 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 Specifications: B: female + female Color: As Shown Material: PCB Package Contents: 1 x BPF Module Board 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.