The LimeRFE (link to www.crowdsupply.com) is an open hardware power amplifier (PA) module with appropriate filtering and support circuitry to augment the LimeSDR, LimeSDR Mini, and LimeNET Micro platforms, providing a complete solution that addresses real life applications ranging from HAM radio to standards-compliant cellular network implementations. ## Contents The directory structure is as follows: /archived// - Archived versions firmware/ - Corresponding firmware - Remaining structure as below /firmware/ - Firmware sources /hardware// docs/ - Documentation hardware/ BOM/ - Bill of materials Gerbers/ - Manufacturing files KiCAD/ - KiCAD schematic and layout files PDF/ - Schematic and layout PDFs ## Notes on hardware versions The resources for all production builds will be located in versioned folders in the repository root. The files located under `/archived/` correspond to pre-production designs used in validation and with the beta tester community. ### Production boards * 1v31. This is the first version to go into full production. ### Pre-production boards