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 2026 Product Line
You can find my complete line of CTR2 radio controllers here. With the variety offered, I'm sure you can find one that fits your needs.
Postage Changes
Domestic Flat Rate Change The US Postal Service (USPS) as recently increased domestic shipping rates again. I’ve had to adjust my flat rate for domestic orders accordingly. Export Restrictions Several…
Download CTR2-MIDI Firmware – v2.01.03
Download the latest CTR2-MIDI firmware for CTR2-MDI and CTR2-Micro here
Download the Latest Updates – October 29, 2026
Find the latest CTR2 firmware updates here
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
CTR2-Dial Configuration Files – October 18, 2026
Find the map and configuration files you need for CTR2-MIDI and CTR2-Dial here
CTR2-Flex/CTR2-Dial Dual-Boot Firmware v2.05.06
The new CTR2-Flex v2 firmware allows you to boot either CTR2-Flex or CTR2-Dial firmware without re-flashing your CTR2 controller.