How far can you transmit fm legally?

approximately 200 feet
On FM frequencies, these devices are limited to an effective service range of approximately 200 feet (61 meters).

How far will a 100 watt FM transmitter reach?

If 100 Watt ERP is used, it’s very likely that 20 kilometer of range will be reached because 100 Watt ERP is able to propagate a strong signal 20 kilometer. If 1000 Watts of ERP power is used, it is very provably the signal will reach 20 kilometer, but moreover it will helps to penetrate eventual obstacles.

How can I increase the range of my FM transmitter?

In most cases, you use transistors (and/or tubes) to amplify the RF signal from the transmitter. Sometimes, the least expensive way to increase range is to use a bigger antenna, a higher antenna, a more efficient antenna, or a directional antenna.

How far can a FM transmitter work?

Being low-powered, most transmitters typically have a short range of 100–300 feet (30–100 metres), depending on the quality of the receiver, obstructions and elevation.

How far will a 15W FM transmitter broadcast?

15W/7W FM Transmitter,Fm Transmitter for Church,Fm Broadcast Transmitter, 87~108MHz FM Radio Transmitter High-Fidelity Audio FM Transmitter, Transmission Distance of 1000M in Open Place (Silver 15W)

How far will a 15 watt FM transmitter reach?

At 15 watts, the range increases to 5 miles, at 40 watts to 10 miles and at 100 watts to 15 miles. The general rule of thumb is it will take four times the power to double the transmission distance. Increase the transmission range of the FM antenna without increasing the power by raising the antenna.

Are FM transmitters legal?

Fortunately there is a legal way that they can cover the area of an average size parking lot. They can use one of our FCC certified Part 15 FM transmitters. Part 15 certified FM transmitters can be used legally by anybody, anywhere in the U.S. without the need for a license.

Are FM transmitters illegal?

If you broadcast on an FM transmitter at more than 1/25th of a watt, then you are operating an illegal “pirate radio station”. The Federal Communications Commission considers unauthorized broadcast operation to be a serious matter.

How far will a 7W FM transmitter work?

How far will 15 watts transmit?

For a broadcast of 6 watts, the transmission range will be 3 miles. At 15 watts, the range increases to 5 miles, at 40 watts to 10 miles and at 100 watts to 15 miles. The general rule of thumb is it will take four times the power to double the transmission distance.

How far will 25 watts transmit?

For example, a 25-watt marine radio will roughly have a maximum range of 60 nautical miles (111 km) between antennas mounted on tall ships, but that same radio will only have a range of 5 nautical miles (9 km) between antennas mounted on small boats at sea level.