Siretta Ltd is a UK-based designer and manufacturer of industrial IoT products, software and connectivity solutions, headquartered in Reading. We support business-to-business customers across a wide range of industries who need reliable, long-term cellular connectivity for remote systems and equipment.

We have many years of experience in cellular IoT, with strong expertise in technologies including 2G, 3G, 4G/LTE and 5G NR, as well as LTE Cat-1, LTE Cat-M and NB-IoT. Alongside our terrestrial solutions, Siretta has also developed products that support Non-Terrestrial Networks (NTN), enabling satellite-based IoT connectivity for remote, offshore and low-coverage environments.

Our product portfolio includes industrial cellular modems, routers, cellular network analysers, and a comprehensive range of RF antennas and cable solutions for cellular, WLAN, Bluetooth, Zigbee, LoRa and Sigfox applications. We also supply RF cable assemblies and accessories, typically covering frequencies from 150 MHz up to 6 GHz, including ISM, cellular and GNSS bands.

As well as standard products, we provide customised and bespoke solutions. Our in-house engineering team supports hardware, RF and software development, helping customers design, integrate and deploy IoT systems that perform reliably in real-world conditions.

We work closely with customers, technology partners and our global distribution network to deliver practical, scalable IoT connectivity — across both cellular and satellite networks.

We are your partner of choice in enabling your IoT solutions.