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Filters, description

Filters are devices that isolate signals within a frequency range, whether in kHz, MHz or GHz. They are used to keep unwanted signals and noise energy from reaching the target circuit. Having two ports, an input and an output, most passive filters are bidirectional, in other words, their input and output can be used interchangeably. Most active filters, however, can only be used as designated (unidirectional).

This Sub-category lists all the bandpass filters available at our antennas.us store.

Filters list

Products 1-12 of 17
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UFL-0875-339, AMPS-RX Antenna Filter AMPS-RX Filter
Price: $77.20
Availability: approx. 2 weeks
Item #: UFL-0875-339 -

    As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

    UFL-0915-339, ISM Antenna Filter
    Price: $77.20
    Availability: approx. 2 weeks
    Item #: UFL-0915-339 -

      As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

      UFL-1575-339, GPS Antenna Filter GPS Filter
      Price: $77.20
      Availability: approx. 3-4 weeks
      Item #: UFL-1575-339 -

        As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

        UFL-1950-339, PCS-RX Antenna Filter PCS Filter
        Price: $77.20
        Availability: approx. 2 weeks
        Item #: UFL-1950-339 -

          As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

          UFL-2140-339, UMTS Antenna Filter umts filter, hsdpa filter, 3g filter
          Price: $65.20
          Availability: approx. 2 weeks
          Item #: UFL-2140-339 -

            As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

            UFL-2442-339, ISM Antenna Filter ISM Filter, 2.4 ghz filter
            Price: $77.20
            Availability: approx. 2 weeks
            Item #: UFL-2442-339 -

              As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

              Quickly Tuneable 225-400 MHz Cavity Bandpass Filter
              Price: $895.20
              Availability: 60 days ARO
              Item #: UFL-0300-673 -

                Tuneable UHF Cavity Bandpass Filter, Description This Tuneable UHF Cavity Bandpass Filter is a very sharp, narrowband, inline filter designed to enable communications where strong in-band signals exist, where a high degree of man-made noise prevents reliable communications, or where cohabitation with other transmitters is required. The UFL-0300-673 can be tuned to the intended operating frequency within frequencies spanning 225 MHz to 400 MHz (Aviation, Military UHF LOS bands). Use this filter...

                Filter Passband/Transfer Function (S21)
                Price: $142.20
                Availability: approx. 2 weeks
                Item #: UFL-3000-382 -

                  PRELIMINARY DATA The UFL-3000-382 is an inline filter designed to be inserted between a UHF SATCOM antenna and military communications gear. It features opposite gender connectors at each end, so it can be inserted without the need of an adaptor. They are also weatherproof for tactical use. Use this filter when operating in challenging or hostile Electromagnetic environments, to relieve your radio's front end from having to contend with large amounts of integrated power, which can lower...

                  UHF LOS Filter 225-400 MHz
                  Price: $142.20
                  Availability: approx. 2 weeks
                  Item #: UFL-3125-382 -

                    PRELIMINARY DATA The UFL-3125-382 is an inline filter designed to be inserted between a UHF LOS/SATCOM antenna and military communications gear. It features opposite gender connectors at each end, so it can be inserted without the need of an adaptor. They are also weatherproof for tactical use. Use this filter when operating in challenging or hostile Electromagnetic environments, to relieve your radio's front end from having to contend with large amounts of integrated power, which can lower...

                    Tuneable VHF Cavity Bandpass Filter
                    Price: $975.20
                    Availability: 60 days ARO
                    Item #: VFL-0130-672 -

                      Tuneable VHF Cavity Bandpass Filter, Description This Tuneable VHF Cavity Bandpass Filter is a very sharp, narrowband, inline filter designed to enable communications where strong in-band signals exist, where a high degree of man-made noise prevents reliable communications, or where cohabitation with other transmitters is required. The VFL-0130-672 can be tuned to the intended operating frequency within frequencies spanning 112 MHz to 150 MHz (Aviation, Amateur Radio and Marine VHF bands). Use...

                      UFL-0875-338, AMPS-RX Antenna Filter AMPS-RX Filter
                      Price: $62.20
                      Availability: approx. 2 weeks
                      Item #: UFL-0875-338 -

                        As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...

                        UFL-0915-338, ISM Antenna Filter ISM Antenna Filter
                        Price: $62.20
                        Availability: approx. 2 weeks
                        Item #: UFL-0915-338 -

                          As of May 2007, this filter model has been upgraded to Revision A, to incorporate the following improvements: greater out of band isolation, increased current handling capability to 1 Ampere, built-in protection fuse which automatically resets itself (more detail below) voltage drop through the filter has been reduced to 1/7th that of the original design (for greater power efficiency) FILTERS NOW INCLUDE A FUSE THAT RESETS AUTOMATICALLY and you may select from 4 different fuse currents. This...