Features: The PUEO6552 Filter Connector is essential computer adapter accessory enhances Connector and performances for your devices.This product is 9First order series high pass filterPassband160500MHz Insertion loss less than 1.50dB;Stopbandleaa than 110MHzGreater than insertion loss 40dBSmall Size and With solid aluminum shielding shellIt can be directly inserted into the antennae system.Strong filtration 140MHz The following frequency signalbe used for VHF144MHzUHF433470MHzradio stationReceiver.It can effectively suppress the interferences and medium and shortwave radio stationsSpecifications: ModelFHP9s-144Impedance50 OhmsInsertion loss Passband50dB 144MHz less than 1.50dB 160 500MHzInsertion loss Stopband not less than 40dB Not more than 110MHzConnectorSMA-MSMA-FPackage Includes: 1PC FHP9s-144 Filter SMA Connectornote: This product is not waterproof.Due to problems of lighting effect there will be certain tolerances in product, please understand.Please allow 0-1cm error due to manual measurement.