Before You Buy!

Get reliable answers to questions that you have  garnered from your own online research in our fact-filled and documented comparison reports. No 'sales-hype'.  Compare and contrast the important features, specifications, capabilities and factual information regarding the most popular frequency devices available. Read the report and then YOU decide which device is right for you. It's that easy.


These reports are informative (yet easily readable for non-scientists) providing well-researched analytical data, citations, graphs, references and some have  links to videoed laboratory tests comparing two competing frequency devices side-by-side.

Detailed discussion of the information presented will help you make an informed purchasing decision. Request one of our FREE comparison reports today! We respect your privacy and 'space' and will never share your email address and promise not to call you unless you request a call back from us.


Tell us which COMPARISON REPORT you want...

First, do some online reading and simple research with a precursory 'study' of "Rife Machines" and/or frequency generators. A good website to start with is


Consider watching The Royal Rife Story and other educational videos at their informative site.

If you've found an advertised frequency machine (aka "Rife Machine") that interests you, then in the field below, fill in the blank "GB-4000 compared with _____________________ machine/device".


You may also call us at 385-220-5000 and ask one of our researchers to recommend a report based on your personal needs and one that may be the most beneficial for you to read now.




We have over 26 years of experience researching and using frequency technologies with feedback from thousands of people. Our manufacturer here in Utah is a respected researcher of frequency instruments originally used in the 1930s/1940s and has developed the state-of-the-art GB-4000 frequency generator, SR-4 linear amplifier and M.O.P.A. plasma tube amplifier which are truly the best in the modern industry. These instruments are the result of over 25 years of their extensive work, including 10 years spent searching for and obtaining ORIGINAL EQUIPMENT so the machines could be 'reverse-engineered' and tested to determine exactly HOW they worked. The GB-4000, SR-4 and M.O.P.A. were developed from this comprehensive research.

We invite you to DISCOVER the world of FREQUENCIES!

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Choosing the right company, distributor or 'coach' to purchase your frequency equipment from is an extremely important decision. Go with a company that really cares about helping YOU!

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Park City, Utah 84098

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DISCLAIMER: We do not call our instruments Rife Machines or a Rife Machine like many other companies do. Dr. Rife specifically stated that he "did not want his name put on any machine" because "some people" might use his name to sell their frequency machines. Those companies who respect his wishes do not call their machine a "Rife Machine." The function generator and amplifiers on our main website are sold as electronic test equipment. Information disseminated on this website is public knowledge for educational and research purposes only. It should not be construed as any type of medical advice and you accept responsibility for any actions you may take. No suitability, claims or merchantability for any recommended purpose or use is stated or implied. This website is available to help you research and learn more about frequency generating machines. The manufacturer of this equipment is in no way responsible for the information supplied, or use of the products, for anything beyond your personal research. No statements on this website have been evaluated by the Food and Drug Administration.

Any product mentioned or described on this website is not intended to diagnose, treat, cure, or prevent any disease.