Low in-band insertion loss and steep cutoff characteristics, specifically designed for performance optimization of 433MHz remote control (model aircraft, drone aerial photography) receivers. Effectively filters out out-of-band signals, reduces noise, and increases dynamic range. Still has excellent suppression capability for out-of-band far-end signals, with performance far superior to products made using bare PCB boards. Impedance: 50 0hms Center frequency: 433MHz Insert loss: Refer to measured S21 curve Maximum power handling: 1W (30dBm) Interface: SMA external spiral internal hole Color: Gold & Black Material: PCB+Metal Package Contents: 1 * 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.