Filters
HPF - 1
HPF - 1
HPF - 1
The HPF-1 is a Receive Only 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
HPF - 1
HPF - 1
The HPF-2 is a Receive Only 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-2 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
HPF - 1
FMB - 1
The FMB-1 is a Receive Only notch 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
TRANSCEIVER FILTERS
HPF-3
HPF-3
HPF-3
The HPF-3 is a high pass filter designed to reduce the RF signal levels below 3.5 MHz. The HPF-3 is effective in reducing or eliminating interference caused from nearby AM broadcast transmitters. The HPF-3 will strongly attenuate signals below the 80 meter amateur band.
Impedance: 50 Ohms
Maximum Power: 250W
Attenuation Range: .1 – 3.5MHz
Insertion Loss: .25dB
SWR: 1.1 – 1.2
Case: Diecast Aluminum Alloy
Connectors: SO-239
Price: $75
HPF-4
HPF-3
HPF-3
The HPF-4 is a high pass filter designed to reduce the RF signal levels below 1.8 MHz. The HPF-4 is effective in reducing or eliminating interference caused from nearby AM broadcast transmitters. The HPF-4 will strongly attenuate signals below the 160 meter amateur band.
Impedance: 50 Ohms
Maximum Power: 250W
Attenuation Range: .1 – 1.8 MHz
Insertion Loss: .25dB
SWR: 1.1 – 1.2
Case: Diecast Aluminum Alloy
Connectors: SO-239
Price: $75
RF CHOKES
1:1 Common Mode Choke
The CMC-1 is a receive only 1:1 common mode choke specifically designed for SDR's and any HF receiver. It dramatically suppresses noise and reduces the noise floor between 1Hz to 5MHz but is effective up to 30MHz.
Noise Suppression Range: 1HZ - 30MHz
Impedance: 50 Ohms
I/O Ratio: 1:1
Case: Flame Retardant ABS Plastic
Three Models are Available:
CMC-1B : BNC Connectors $27
CMC-1S: SMA Connectors $27
CMC-1W: Weatherproof Case $32
(CMC-1W - BNC Connectors Only)