RFpro, Firmware 10KHz-1500MHz.
By default, when turned on, 50KHz-900MHz.
Expand the boundaries in the frequency setting menu.
Added dfu menu item, now it is not necessary to close the jumper with tweezers. This assembly is based on source codes EDY555 & Hugen. At one's own risk. Work with other software is not guaranteed.
The display measures the reference capacitance 15nf, Port S11.