Welcome to our store! 1. [Frequency and Bandwidth] Bandpass filter center frequency 3960MHz, 1dB bandwidth of about 1600MHz, stable and reliable to use. 2. [Circuit Structure] This bandpass filter is a multi-layer thin-film circuit structure with non-sharp cutoff characteristics. 3. [Applications] Used for anti-interference and performance optimization for UWB BAND 1-3 wireless communication system receiving equipment. 4. [Multifunctional] Multifunctional bandpass filter can effectively filter out out-of-band signals, reduce noise, and increase dynamic range. 5. [Gold Plated] 3168 to 4752 MHz bandpass filter with 24K gold-plated structure for better performance than processing just PCB. Item Type: Bandpass Filter Material: Metal Appearance Size: Approx. 34.3 x 17.5mm / 1.35 x 0.69in SMA Male Round Head Diameter: Approx. 7.7mm/0.30in Model: WFB 3050 Interface: SMA Impedance: 50 Ohm Center Frequency: 3960 MHz 3 dB Passband: 3110-4950 MHz Insertion Loss: < 1.5 dB at 3168-4752 MHz Maximum Load Power: 3W (35dBm) 1 x Band Pass Filter If you receive your item and find any product issues, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.