Introductory Video: https://www.youtube.com/watch?v=7_MkDMovzA8 For use with transmitters made by Lectrosonics, Sennheiser, Zaxcom, Comtek, and more. FreqFinder by NewEndian calculates the intermodulation products of user entered transmitter channels and then suggests options of channels that will be compatible with user transmitters already in use. Recommended for use with 24-32 transmitter systems depending on the processing power of your iOS device and the spread of your transmitters. LectroRM users: links to your LectroRM app for easy channel storage and changing US Customers: TV Database Add-on available now for $15. Accesses the FCC database for TV broadcast towers and estimates the field strength at any configured location in the US for better channel selection.