Check the listing for details. Digital VFO MODEL VFO1. Condition: New. Listed at 29.56 USD. On sale from now until 1 Jan 2024!SAVE 20% Introducing the Digital VFO MODEL VFO1, perfect for all your radio communication needs. It boasts universal compatibility with a range of brands, and features VHF and HF bands for stable transmission. The compact and lightweight design makes it easy to carry on the go, while the frequency selector and switchable frequencies provide versatility. The illuminated graphic display ensures easy navigation and operation, while the unit quantity of EACH ensures you get value for your money. This versatile VFO is designed to fit a range of devices, including scanners, marine radios, two-way base radios, walkie talkies, ham radio transmitters and receivers, CB radios, and air band radios. Get the most out of your radio communication with the Digital VFO MODEL VFO1/SMA. The Arduino programming software can be found here: https://www.arduino.cc/en/software The Si5351 data can be found here: https://learn.adafruit.com/adafruit-si5351-clock-generator-breakout/overview Included is a CD with the SKETCH, schematic, and a link to the programming software. Easily programmed in "C".