If you use an FM transmitter to broadcast over 1/25th of a watt, you are running an unlawful “pirate radio station.” The unauthorized transmission of radio signals is considered a serious offense by the Federal Communications Commission.
What are the legal limits of FM broadcasting?
You can transmit approximately 200 feet on FM frequencies; these devices are limited to an effective service range of approximately 200 feet (61 meters).
Is it legal to use an FM transmitter for Church in the United States?
Part 15 certified FM transmitters can be legally used by anybody, anywhere in the U.S., without needing a license.
What is a Part 15-certified FM transmitter?
Part 15 is a set of rules established by the FCC in 1977 that govern how electronic devices can be used without interfering with radio stations. FM transmitters are considered “unintentional radiators” because they broadcast very low power levels (25 milliwatts). As long as their emissions stay below certain threshold limits, Part 15-certified FM transmitters can be used anywhere in the world without any special license or authorization.
What if I buy an overpowered FM Transmitter for Church?
Remember, if you broadcast your church service with an overpowered FM transmitter, you risk $10,000 per violation, one day of operation, and perhaps up to $75,000.
In the end, make sure your church is adhering to the law. If you need to broadcast a church service, a video live stream or radio station air time might be useful options.
This article on using an FM transmitter for church originally appeared here, and is used by permission.
