DAB combiners and filters

Professional high-power RF filters and combiners for DAB and DAB+ transmitters operating in the 174–240 MHz (VHF Band III) frequency range. Solutions for combining two or more DAB transmitters into a single antenna system with power levels ranging from hundreds of watts up to several kilowatts.

We manufacture multi-cavity DAB channel filters (typically 6 to 8 cavities), DAB mask filters, high-power combiners consisting of two or more channel filters  . Our products provide low insertion loss, high isolation between channels, and excellent long-term frequency and mechanical stability.

Each filter and combiner is individually designed according to the required transmission channels, emission mask and transmitter power. RAYTRA products are intended for professional DAB broadcast networks, including both local and nationwide multiplexes, where maximum reliability, high selectivity and long-term maintenance-free operation are essential.