Welcome to our store! 1. APPLICATION: This filter features low insertion loss and steep cutoff characteristics, specifically designed for performance optimization of 403MHz receiving equipment. 2. MULTI-FUNCTION: The bandpass filter effectively filters out out-of-band signals, reducing noise and increasing dynamic range. Standard SMA interface with a 403MHz center frequency. 3. PREMIUM SUPPRESSION: SAW filter internally uses an ultra-thin PCB board; the out-of-band signal at the far end has high suppression capability, performing better than using a PCB board. 4. METAL HOUSING: This bandpass SAW filter uses a premium aluminum shielding housing, anti-interference, no out-of-band false response, stable and reliable operating performance. 5. COMPACT AND CONVENIENT: Metal bandpass filter, compact size, occupies less space, easy to use, convenient to install, robust and durable, with a long lifespan. Item Type: Bandpass Filter Material: Metal Appearance Size: Approx. 34.3 x 17.5 mm / 1.35 x 0.69 in SMA Male Round Head Diameter: Approx. 7.7 mm/0.30 in Model: FBP 403s Interface: SMA Impedance: 50 Ohm Center Frequency: 403 MHz 1dB Passband: 401-405 MHz Insertion Loss: < 2.5dB at 401-405 MHz Maximum Load Power: 100mW (20dBm) 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.