Pioneers of Low Power Radio - Since 1985 Based in the UK, Radiometrix is recognised as the leading global developer of ISM Band/ SRD FM low power radio modules. We manufacture and design high-quality and cost-effective VHF and UHF radio modules that cater for the wireless needs of OEMs worldwide. Available on all major frequencies (151, 169, 173, 433, 458, 868 & 914 MHz), we offer a wide variety of modules to suit a diverse range of licence-exempt and licenced applications. The off-the-shelf modules can be customised to meet specific requirements.