RemoteQTH

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====== QMX+ modifications and extension DRAFT (release 2026) ======

QMX+ is 160-6m multi-mode transceiver from [[http://qrp-labs.com/qmxp.html|QRP Labs]]

  * The basic modification is to replace the original aluminum box with a **3D printed [[https://www.printables.com/model/1541880-qmx-waterproof-rugged-box|Waterproof rugged box]]**
    * This modification allows you to use the **internal GPS antenna** as an extension and the **expandable bottom box** as a storage for parts needed for use in one common storage. For example, a modem, a telegraph key, an antenna, and so on.

  * Three extensions are also available
    - **Internal GPS antenna** of maximum built-in size for greater gain
    - Board expanding the functionality of
      * **USB-C power delivery** power input
      * battery power supply using **three LiPol** cells
      * **BMS**
      * battery **charger**
      * **9 or 12 volt** power converter
      * power **filtering**
      * **audio amplifier** for internal speaker
    - **Rear panel** plate accessing new connectors and internal speaker mounting
<code>If you are interested in purchasing a KIT of three boards for a preliminary price of ??EUR,
contact the author at email (below). If there are enough interested parties for
the first batch of 50 pieces, a selection of deposits will follow and then production.</code>
[[mailto:ok1hra@gmail.com?subject=QMX+%20extension%20boards%20interest|OK1HRA e-mail]]
^ Status as of January 7, 2025 ||
| number of applicants |  0|
| number of deposits paid |  0|