We wrote the book on commercial grade two way radios. Actually we
wrote the "Little Green Radio Book: everything you need to know to
buy, operate and care for two way radios."
This handy little book is easy to read and gets you started on finding
the best radios for your specific application. Hundreds of businesses
have already received their copy of the "Little Green Radio Book." You can buy the "Little Green Radio Book" on Amazon for about $10 or get your free copy here.