Features 1、For 403MHz: This bandpass filter is designed for performance optimization of 403MHz receiving equipment, with low in band insertion loss and steep cut off characteristics. 2、Effective Filtering: This bandpass filter can effectively filter out of band signals, reduce noise, and increase dynamic range, very practical for your use. 3、Ultra Thin Board: The inside of the receiver filter is ultra thin PCB board, with excellent suppression ability for out of band remote signals. 4、Aluminum Alloy Shell: The shell of this bandpass filter is made of aluminum alloy, which is anti interference and has no out of band spurious response. 5、Easy to Use and Carry: Aluminum alloy housing is small in size and lightweight, highly sturdy, easy to use and convenient to carry. Specification Item Type: Bandpass Filter Material: Aluminum alloy Impedance: 50Ohms Center Frequency: 403MHz 1dB Passband: 401-405MHz Insertion Loss: <2.5dB at 401-405MHz Maximum Bearing Power: 100mW (20dBm) Package List 1 x Bandpass Filter