Filters

HPF - 1

The HPF-1 is a high pass filter designed to reduce the RF signal levels below 3 MHz. The HPF-1 is effective in reducing or eliminating interference caused from nearby AM broadcast transmitters. The HPF-1 will strongly attenuate signals below the 80 meter amateur band. The HPF-1 comes with a bypass switch which allows you to bypass the filter at any time. The SMA connectors are conveniently located on the rear of the unit, this allows you to save space and avoid clutter on your desktop. 


Impedance: 50 Ohms

Attenuation Range: DC – 3 MHz

Bypass: Switchable

Insertion Loss: 3dB, 0dB in Bypass

Case: Diecast Aluminum Alloy

Connectors: SMA 

Price: $40

HPF - 2

The HPF-2 is a high pass filter designed to reduce the RF signal levels below 1.8 MHz. The HPF-2 is highly effective in reducing or eliminating interference caused from nearby AM broadcast transmitters. The HPF-1 will strongly attenuate signals below the 160 meter amateur band. The HPF-2 comes with a bypass switch which allows you to bypass the filter at any time. The SMA connectors are conveniently located on the rear of the unit, this allows you to save space and avoid clutter on your desktop.

 

Impedance: 50 Ohms

Attenuation Range: DC – 1.8 MHz

Bypass: Switchable

Insertion Loss: 3dB, 0dB in Bypass

Case: Diecast Aluminum Alloy

Connectors: SMA 

Price: $40

FMB - 1

The FMB-1 is a notch pass filter designed to reduce the RF signal levels in the FM broadcast band to your SDR receiver. The FMB-1 is highly effective in reducing or eliminating interference caused from nearby FM broadcast transmitters. The FMB-1 comes with a bypass switch which allows you to bypass the filter at any time. The SMA connectors are conveniently located on the rear of the unit, this allows you to save space and avoid clutter on your desktop. 


Impedance: 50 Ohms

Attenuation Range: 88 – 108 MHz

Bypass: Switchable

Insertion Loss: 3 dB, 0dB in Bypass

Case: Diecast Aluminum Alloy

Connectors: SMA 

Price: $40

Downloads

HPF-1 Instructions (pdf)

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HPF-2 Instructions (pdf)

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FMB-1 Instructions (pdf)

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