Check the listing for details. HP Hewlett Packard 204C Oscillator 5Hz-1.2MHz Untested Clean! *Read*. Condition: For parts or not working. Listed at 62.00 USD. Clean and in great condition. Missing two dial knobs, posts are there and rotate fine, just missing knobs. Listed as parts/repair but I have not tested the unit. Sold as-is. Will ship well foam padded for safe arrival. The HP Hewlett Packard 204C Oscillator is a reliable signal source capable of generating frequencies ranging from 5Hz to 1.2MHz. This oscillator is designed by the reputable brand HP, known for producing high-quality electronic equipment. While this specific unit is untested, it is clean and ready for inspection, making it a promising option for those in need of precise signal generation in a professional setting.