Features 1.APPLICATION: This filter has low insertion loss and steep cutoff characteristics, and is specifically designed for performance optimization of 403 MHz receiving equipment. 2.MULTI FUNCTION: The bandpass filter can effectively filter out of band signals, reduce noise, and increase dynamic range. Standard SMA interface with 403MHz center frequency. 3.PREMIUM SUPPRESSION: SAW filter internal ultra thin PCB board, the out of band far end signal has a high suppression capacity, the performance is better than the use of PCB bare board made. 4.METAL HOUSING: This bandpass SAW filter uses premium aluminum shielding housing, anti interference, no out of band spurious response, stable and reliable work performance. 5.COMPACT AND CONVENIENT: Metal band pass filter, compact size, occupies less space, easy to use, convenient to install, sturdy and durable, with long service life. specificationItem Type: Band Pass Filter_x000D_ Material: Metal_x000D_ Appearance Size: Approx. 34.3 x 17.5mm / 1.35 x 0.69in_x000D_ SMA Male Round Head Diameter: Approx. 7.7mm/0.30in_x000D_ Model: FBP 403s_x000D_ Interface: SMA_x000D_ Impedance: 50 Ohms_x000D_ Center Frequency: 403 MHz_x000D_ 1dB Passband: 401-405 MHz_x000D_ Insertion Loss: < 2.5dB at 401-405 MHz_x000D_ Maximum Load Power: 100mW (20dBm) PackageList1 x BandPassFilter NoteManual measurement, please allow some errors.