CTR2-Max Firmware – v2.00.01
CTR2-Max offers a larger display, more knobs and pushbuttons, and better sidetone when operating in Flex mode with AetherSDR’s CTR2 Relay. This firmware runs on the CTR2-Max-5 unit. Download the…
CTR2-Max Manuals – v2.00.01
Operation manuals for CTR2-Max and AetherCTR2 can be found here
Important CTR2-Max Update – October 24, 2026
The bad news… A recent push by the FCC to require FCC certification of all RF emitters sold in the United States caused me to re-evaluate the components I use…
CTR2-Max Config Files v1.02
v1.02: September 14, 2026 Current Configurations The following configuration are available. Each configuration includes a CTR2 settings file (.CTR2), an Excel spreadsheet file detailing the CTR2-Max and app mapping, and…