The highest demands on cell phone reception

Perfect voice quality and fast data transmission for train passengers

‍COMLAB has been a leading full-service provider in the field of radio frequency technology. The company develops and produces radio system solutions for transportation and mobile network systems worldwide. Their customers include well-known railway companies, train and tunnel construction companies, as well as cell phone operators and emergency services. With locations in Germany and global partnerships, COMLAB handles customer needs worldwide. Their high-quality digital multi-band repeater supplies train passengers with mobile radio signals, for perfect voice quality and fast data transmission.

The Elma product they use- the 19'' subrack 12KR Railway - was adapted to the given conditions due to the high requirements for stability and ventilation as well as the use in rolling stock applications, passing all rigorous requirements of EN50155. This subrack is used as a mounting unit for various RF modules. Elma delivers the tested chassis along with customer-specific front modules printed by Elma. Customer-specific DC/DC converters are also provided to reliably power the RF modules.