The center frequency of this filter is 3960MHz, the 1 dB bandwidth is about 1600MHz, it is a multi-layer thin film circuit structure, and has a non-sharp cutoff characteristic. It is used for anti-interference and performance optimization of UWB BAND 1-3 wireless communication system receiving equipment, and can effectively filter out-of-band signals, reduce noise, and increase dynamic range Model: WFB-3050 Impedance: 50 Ohms Center frequency: 3960 MHz 3 dB passband: 3110 - 4950 MHz Insertion loss: Less than 1.5 dB 3168 - 4752 MHz Maximum carrying power: 3 W (35 dBm) Interface: SMA-M, SMA-F (RF characteristics are symmetrical at both ends and non-directional) (The product appearance and printed words may vary depending on the batch, but this does not affect use) 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.