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Digital Radio Adapters

The DRA Series for Digital Data Applications.

Quick Description - What are they?

  • DRAs are affordable wide-bandwidth radio optimized sound cards.
  • They are available Assembled & Tested or as a Project Kit.
  • They connect amateur (two-way) radios to a computer or host.
  • They work with many digital data programs like VARA & SoundModem.
  • They work with all versions of AllStar Link like our RA's.
  • Standard DRAs are available with or without a plastic or metal case.
  • Standard DRA (Metal-SC) Cases are available in blue or black.
  • The 3D printed plastic cases are available in several colors.
  • High Performance DRA-100's are available in black or silver.
  • Metal cases for the Standard DRA's & DRA-100's are all aluminum / totally shielded.
  • Assembled & Tested units are FCC Part 15 Class B Certified.
  • A "RATPAC" YouTube Presentation on DRA Sound Cards and accessories by Dan Marler K7REX

  • Jump to the information section:   Start Here     Non Data Port Radios     Detailed Info and Docs



    Jump to the ordering section:   Standard DRAs     High-Performance DRAs     Cases - Cables - Adapters     Mixers


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    Which DRA should I buy?

    Start Here Click the Start Here link to see if your radio is listed.

    Go Here if your radio is NOT listed in the "Start Here" article above - - to help determine which DRA might work best for you.

    Detailed DRA Information:
    Descriptions and Explanations.
    Features list.
    DRA FAQ Click to see our DRA FAQ and Digital Applications & Hardware Support page.

    Support Documentation - Schematics, jumper settings, radio connector pinouts and support documentation for all DRA Sound Cards.
    I don't require a purchase to have free access to support information. Go here to understand how to access the information.

    Regardless of cost, ALL DRA Models are capable of the fastest throughputs using programs like VARA FM Wide.
    Of course - they all work at slower speeds too.


    Standard DRAs   (DRA-30 through DRA-80)
    Plastic and Metal Case options available - or supply your own.

    DRA-30 Low-Cost High-Quality digital USB radio adapter with DB9 (DE9) female radio connector.
    DRA-34 Similar to the DRA-30 but with a RJ45 radio connector.
    DRA-36 Similar to the DRA-30 but with a Mini-DIN-6 radio connector.
    DRA-39 Similar to the DRA-30 but with a RJ45 radio connector and configuration socket for using SignaLink radio cables.  
    DRA-45 High-Quality digital USB radio adapter with TX audio amplifiers for more TX audio level and a DB9 (DE9) female radio connector.
    DRA-50 Similar to the DRA-45 but with a Mini-DIN-6 radio connector.
    DRA-50M Refined and simplified DRA-50 in a secure metal case.
    DRA-52 Similar to the DRA-50 but optimized for keying some radios like the ICOM IC-706MKIIG, and ID-880H.
    DRA-54 Similar to the DRA-50 but with a RJ45 radio connector.

    Standard VOX Capable DRAs   (DRA-65, '70 & '80) (not required for most digital applications)
    DRA-65 High-Quality VOX capable digital USB radio adapter with high transmit level capability and a DB9 (DE9) female radio connector.
    DRA-70 Similar to the DRA-65 but with a Mini-DIN-6 radio connector.
    DRA-80 Similar to the DRA-70 but optimized for keying some radios like the ICOM IC-706MKIIG, and ID-880H.


    High Performance DRAs  

    (DRA M Series)
    Our most popular DRA's in Metal Cases
    DRA-50M
    The DRA-50M  Attractive all metal case with internal controls - easy set-up and deployment.

    (DRA-100 & 'SR)
    With front panel mounted controls and LED indicators, and metal case.

    DRA-100 Series
    The DRA-100 Series  Attractive all metal case, with knobs and LEDs on the front and female connectors on the back.
    They are VOX capable with adjustable delay, and have the widest audio level range and the lowest noise.

    DRA-SR Series  
    The DRA-SR Series
    This product is similar to the DRA-100 but replaces your SignaLink™ USB circuit board to provide DRA functionality and performance.
    Reuse your SLUSB case, knobs and end panels to save money over buying a DRA-100.


    DRA Accessories
    Metal and Plastic Cases for the Standard DRA Series:
    Metal-SC Case  Extruded blue or black anodized aluminum case for Standard RA's and DRA's.
    All Metal - Secure Construction - Totally Shielded.
    Now available in Electric Blue or Midnight Black !

    Plastic RA-DRA Case  Universally designed 3D printed plastic cases for the RA and DRA Series.
    Very functional and affordable - available in several colors!

    Cables:
    DRAC-12 - 6-foot Male-to-Male Mini-DIN-6 Radio Cable  Optional longer radio to DRA cable. Works on the DRA-36, '50, '70, '80, DRA-100-DIN6, and DRA-SR-DIN6.
    DIN6-Shortie - 3-foot Mini-DIN-6 Radio Cable  Optional shorter radio to DRA cable. Same as DRAC-12 but only 3 feet long instead of six. Works on the same Mini-DIN-6 equipped DRA's and radios.
    SPKR-4 - 3-foot 1/8" Speaker Cable   can be added optionally to connect your DRA-39, DRA-SR-RJ45 or DRA-100-RJ45 receive audio from the radios speaker jack.
    DRAC-Extension - 6-foot male to female extension cable  Optional extension cable for use with the DRAC-12 or DIN6-Shortie.

    Connectors & Adapters:
    Alinco-6 Adapter available optionally for the Alinco DR-x35 series single band radios to convert the radio's DB9 data connector to Mini-DIN-6 female. Also works with our AC-25 connector below.
    Motorola-16 Adapter available optionally for many Motorola Radius, MaxTrac, GM300, and other mobile radios to convert the 16/20 pin "option" connector to Mini-DIN-6 female.
    BCM-6 Adapter available optionally for the Bridgecom BCM series single band radios to convert the radio's HD15 data connector to Mini-DIN-6 female. Now available !
    AC-25 Accessory Connector available optionally for some Alinco, Yaesu and TYT mobile radios to put a 'data' connector on the back of the radio.
    RJ45-6 Adapter for DRA-30, '45, and '65 Optionally convert these DRA's radio connector to RJ45 female.
    DRA DIN-6 Adapter available optionally for the DRA-30, '45, and '65 to convert the DRA's radio connector to Mini-DIN-6 female.


    Mixers
    Mixers / Multiplexers

    DRA-3M (Series) This Mixer / Multiplexer allows a DRA sound card and a Pactor modem to be connected to one radio simultaneously.
    Designed for SHARES deployments, and is provided with a metal case.

    DRA MIX-MUX This Mixer / Multiplexer allows multiple sound cards and / or TNC's to be connected to one radio simultaneously. Uses our Mini-DIN-6 cables mentioned above.
    Not intended or recommended for SHARES deployments.



    Go Here to see our DRA FAQ and Digital Applications & Hardware Support page.


    Assembled and Tested DRA's are FCC Part 15 Class B Certified:
    Note:
    This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

    - Reorient or relocate the receiving antenna.

    - Increase the separation between the equipment and receiver.

    - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

    - Consult the dealer or an experienced radio/TV technician for help.



    Email Kevin Custer for ordering information, ordering by check, and/or support of these exciting products.

    Products of Masters Communications, all rights reserved.
    Specifications may change without notice.
    All A&T DRAs are FCC Class B Certified.
    Images are property of Kevin Custer - W3KKC
    Board layouts by Kevin Custer - W3KKC
    HTML May 1, 2021, W3KKC All Rights Reserved!