Filters
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SOTAbeams Filter Boards and Band Component Kits
SOTAbeams Filter Boards and Band Kits are used for the WSPRlite Classic, WSPRlite Flexi, or for your own QRP transmitter, SDR front-end filter projects or on any receiver. Choose the Low Pass Filter Board and Band Kit components for the specific bands on which you want to use your WSPRlite. Build these high performance seven-element Chebyshev low pass filters to eliminate harmonics and spurs. They function bi-directionally and may be used for QRP transceivers or for receive. Each board features a manual band change jumper header and comes with a SMA male cable to connect to the WSPR lite and a board mount SMA female connector for your antenna feedline adapter or adapter cable. SOTAbeams Filter Boards and Band Kits are available in four versions. These three have a revised board layout: - SBM-LOWPASSKIT Low Pass Filter Kit for 160, 80 and 40 meters, version 1.2 Board - SBM-LOWPASSKITHB Low Pass Kit for 20, 15 and 10 meters, version 1.2 Board These two include the filter components, connector and one cable. - SBM-PCB3BLPF Low Pass Printed Circuit Board only, version 1.2 Board. This kit includes only the board, SMA connector and one cable. Add to your cart the specific component Band Kits for the bands you want to use. All 11 bands are available from 160-6 meters. After you finish building one of these three boards, it fits into the updated accessory enclosure model DXE-LPFV1-2-CASE. NOTE: These three version 1.2 Boards DO NOT fit into the DXE-SB-LPF-CASE -------------------------------------------------------------------------------------------------------------- - SBM-LPFKITDXEPCB Low Pass Filter Kit for 160, 80 and 40 meters, version 1.1 Board. This kit includes band filter components, connector and one cable with the old PCB. When this v1.1 kit completed, it is the only board that fits into the original DXE-SB-LPF-CASE. (NOTE: This v1.1 board does not fit into the updated DXE-LPFV1-2-CASE which fits only v1.2 boards). --------------------------------------------------------------------------------------------------------------- Buy and build more than one SOTAbeams Filter Boards and Band Component Kits to use your WSPRlite Classic or WSPRlite Flexi on more than three bands. Don't forget to add the adapters shown in suggested parts. These low pass filters also work on QRP transmitters and all receivers. DX Engineering is your source for SOTAbeams and WSPRlite products and accessories.
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$39.99
$23.99
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DX Engineering SOTAbeams Low Pass Filter Enclosures
DX Engineering SOTAbeams Low Pass Filter Enclosures provide all of the parts to house your SOTAbeams filter boards to work with your WSPRlite Classic or Flexi. Construction of the enclosure and installation of the filter and is easy to accomplish. ------------------------------------------------------------------------------------ Please note, presently we have two enclosures due to the change made by SOTAbeams: DXE-LPFV1-2-CASE is the new enclosure that fits the newer LOWPASSKIT, LOWPASSKITHB and PCB3LPF v1.2 boards. DXE-SB-LPF-CASE is the old enclosure that fits the original SOTAbeams Low Pass Filter v1.1 boards, which we have renumbered as part SBM-LPFKITDXEPCB. Supplies of these originals are limited, and when they sell out they are discontinued. ---------------------------------------------------------------------------------- Made of aluminum for excellent shielding, the enclosure has a soft grommet to protect the SMA cable and two removable covers for the access holes to allow easy manual band switching of the filter. Here are all of the parts contained in the DX Engineering SOTAbeams Low Pass Filter Enclosure Kits: 1 - Aluminum Case - Top 1 - Aluminum Case - Bottom 4 - Phillips Head Cover Screws 4 - PCB Spacers 8 - Phillips Head Screws for PCB mounting 4 - Internal Tooth Lock Washers 1 - Soft Grommet for SMA Cable 2 - Removable Access Plugs 4 - Stick-on Rubber Feet 1 - Label
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$55.99
$41.99