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The MULTI-Module is a 2.4GHz transmitter module incorporating four different RF components, enabling almost any RC transmitter to control many different receivers and models, including most standard RC protocols, and a large (and ever-increasing) number of popular helicopters, planes, quad-copters, and mini-quads.
The MULTI-Module is a non-profit open-source project, by hobbyists, for hobbyists.
The MULTI-module started as a DIY build and many people still use their own custom-built modules. Nowadays several different RC manufacturers now sell off-the-shelf MULTI-Modules.
Although there are a few differences in the hardware, the DIY and off-the-shelf modules all run the same firmware, which is developed and maintained by the MULTI-Module developers, and made available under an open source license.
The documentation on this site is written (and kept updated) for the latest version of the MULTI-Module firmware, and applies to all versions of MULTI-Module hardware.
While every effort has been made to ensure that the information in this documentation is correct, no warranty is given, and no liability is accepted for any inaccuracies.
Any trademarked names mentioned in this documentation are the property of their owners.
Any links to products, re-sellers or retailers are for convenience or reference only and are not an endorsement.