WorldCast Systems, with its ECRESO range, brings to the market over 60 decades of RF experience and the best solutions in terms of Total Cost of Ownership, reliability, and user experience.

ECRESO offers a range of solutions for broadcasters and operators:

Fully digital Ecreso FM transmitters for analog FM, Ecreso broadcast transmitters come in a cutting-edge, compact yet modular design in powers ranging from 100W to 10kW.

Emergency Solar FM transmitter for fast and easy broadcasting deployment in harsh environments.

Ecreso Switch Controller for radio & TV antenna switches at RF transmitter sites.

20,000+ Ecreso transmitters are broadcasting at over 10,000 sites worldwide, making them one of the most trusted transmitter brands available today. 

They boast high efficiency of up to 76% and host a wide range of onboard features along with an industry-leading innovation – SmartFM. This worldwide patented technology is embedded into our transmitters and enable broadcasters to benefit from up to 40% energy cost savings.

The Highest Standards of FM Broadcasting

Why Choose Ecreso?


60 years of expertise developing RF solutions and deploying several thousands of systems worldwide enables WorldCast Systems to accompany your transmitters with a range of services and warranties.


Thanks to cutting-edge innovations and intelligent design, Ecreso products offer the lowest Total Cost of Ownership! Ease of maintenance, high valuable built-in features, reduced consumption and high efficiency are the key factors of OPEX reduction.

Highest Quality 
to Listeners

Ecreso brings amazing audio to your radio broadcasting thanks to the direct-to-channel digital modulator, 5-band sound processor, and MPX over AES compatibility. It’s built-in redundancy also keeps you on-air, at all times.

Ecreso Customers

What People Are Saying

«Following our extensive laboratory tests as well as experience with WorldCast’s ECRESO transmitters in the field, we felt it was clear that none of the other alternative manufacturers’ systems came close.…When it comes to FM transmitters WorldCast is, in our opinion, undisputed leader in the European market.» 


- Michael Radomski, CEO -
Uplink Network, Germany

Recent Success Stories

Our Experts

We bring to market the most advanced and complete FM transmitters. Thanks to our extensive scope of expertise including RF, digital modulation, audio processing, production, quality verification, and technical support, we ensure customers broadcast with the best equipment and support available. Learn about some of our experts. 


Eric dirige notre équipe de développement pour les émetteurs FM depuis 1996. Auparavant, il était chez ECRESO RFTS Broadcast où il a participé à plusieurs développements de projets RF allant de Hz à GHz. Il a acquis une solide expertise dans les projets de diffusion à travers le monde et une très bonne connaissance des exigences et contraintes des sites émetteurs.

Eric Pere
RF Product Manager

Gregory has over 15 years of experience leading product marketing for ECRESO FM transmitters. He mangaes the team of Application Engineers, 

Gregory Mercier
Directeur Marketing Produit & Supports Avant/Après Ventes

"En tant que Chef de Projets, je suis en charge du développements de produits qui impliquent l'encadrement de compétences techniques variées telles que du dessin mécanique de l'électronique numérique et analogique, de la radio fréquence, de la thermique, mais aussi des compétences logicielles aussi bien au niveau embarqué qu'IHM qu'elles soient Web ou PC."

Hervé Garat
Chef de Projet R&D

Nathalie est notre expert des solutions clé-en-main et des systèmes complets pour nos émetteurs FM. 
"Arrivée par accident sur l'open space des ingénieurs d'application par un journée sombre et sinistre d’août il y a dix ans, j'ai fait mon baptême du feu sur un projet N + 1 clé en main ambitieux et sinueux pour l'Égypte. Je n’en suis jamais vraiment remise"

Nathalie Flambard
Application Engineer

Highlights & Innovations

Solid Robustness. Solid 10-Year Warranty.

WorldCast Systems offers a standard warranty of 3 years on all our FM transmitters and up to TEN YEARS' Warranty on our range of compact FM transmitters and new ECRESO FM 5kW/10kW for a small additional charge.

We confidently warranty our transmitters for 10-years thanks to their exceptional design quality, outstanding efficiency, and advanced diagnostics capabilities.


Exceptional design quality

Outstanding efficiency

Advanced diagnostics capabilities


Ecreso Services

Our team of experts partner with you throughout all phases of your project 
with our large scope of services. From engineering studies to installation and technical support, you can count us, every step of the way.

Product Line

FM Transmitters

Ecreso meets broadcasters' needs as the highest quality solution in terms of efficiency, audio quality, robustness, and reliability.

Antenna Switch Controller (Radio & TV)