Features 1.APPLICATION: This filter has low insertion loss steep cutoff characteristics, is specifically designed for performance optimization of 403 MHz receiving equipment. 2.MULTI FUNCTION: The bpass filter can effectively filter out of b signals, reduce noise, increase dynamic range. Stard SMA interface with 403MHz center frequency. 3.PREMIUM SUPPRESSION: SAW filter internal ultra thin PCB board, the out of b far end signal has a high suppression capacity, the performance is better than the use of PCB bare board made. 4.METAL HOUSING: This bpass SAW filter uses premium aluminum shielding housing, anti interference, no out of b spurious response, stable reliable work performance. 5.COMPACT CONVENIENT: Metal b pass filter, compact size, occupies less space, easy to use, convenient to install, sturdy durable, with long service life. specificationItem Type: B Pass 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: FBP 403s Interface: SMA Impedance: 50 Ohms Center Frequency: 403 MHz 1dB Passb: 401-405 MHz Insertion Loss: < 2.5dB at 401-405 MHz Maximum Load Power: 100mW (20dBm) PackageList1 x BPassFilter NoteManual measurement, please allow some errors.