250W EIRP Complete FM Radio Transmitter Broadcasting System

What distance can 250W EIRP achieve based on antenna height?

The achievable FM broadcast range for a 250W EIRP system is critically dependent on antenna height, demonstrating the impact of expert installation choices. Specifically, when the two-way stacked antenna is mounted on a typical two-story building roof, the system achieves a range of 37km+. However, by elevating the antenna onto a dedicated commercial tower, this range is significantly boosted to 55km+. We can give more accurate predictions on range using satellite elevation data like RF Coverage Plot at our Facebook page.

We are proud to confirm that we have had a few successful installations by our clients in Haiti. Our clients are consistently impressed with the exceptional sound quality, power output, and overall robust performance of our systems, particularly in challenging environments where temperatures routinely exceed 32 degrees.

RDS is now included on all stereo transmitters with audio processing. RDS shows your station name and more scrolling across the car radio display.

This RDS is not just ordinary RDS, it is fully programmable dynamic RDS. This means the transmitter can be connected to a PC by a USB cable. The transmitters RDS circuit can be programmed to pick the Artist and Song name from any folder on the PC disk drive. This folder is easy to set up in the DJ playout software, like Zara Studio etc.

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PACKAGE CHECKLIST

Qty	Description	Item
1	100W FM Stereo Transmitter with Audio Processing
1	LMR400 20m / 66ft Cable
2	Standard FM VHF Dipole
1	RF Splitter Boxes
2	Mounting Clamps

5 YEARS LIMITED WARRANTY MORE INFORMATION

250W Maximum FM Transmission Range Chart: Real-World Listener Data

Understanding Typical Broadcast Coverage

The following range chart is derived from real-world customer reporting, providing a reliable baseline for expected broadcast coverage. This data reflects the typical distances recorded by professional and community stations utilizing our 1W EIRP systems.

• Data Source: Based on average customer signal reports across various geographical environments.
• Verification: Reports are compiled from direct listener communication (phone, text, WhatsApp) to radio stations operated by Aareff customers.
• Zero-Failure Promise: Because this system is perfectly impedance-matched (1W Transmitter to 0dB Dipole), it ensures exactly 1W EIRP is radiated, maximizing range without equipment strain.

It is important to understand that FM transmission range is influenced by numerous variables (e.g., terrain, antenna height, atmospheric conditions, local noise floor). For a detailed breakdown of the factors affecting signal propagation, refer to our dedicated guide on FM Transmission Range.