Hargrave Media keeps outside broadcasts connected with KeySIM and Teltonika

Monday 7 September, 2026 Plymouth-based broadcast audio specialist combines KeySIM multi-network connectivity, Teltonika devices and industry-standard audio codecs for reliable outside broadcasts across the UK Reliable connectivity is an essential part of any outside broadcast. Whether transmitting live audio from a football stadium, supporting a radio station at an event or providing technical support from a remote location, Hargrave Media needs dependable connectivity to keep broadcasts running smoothly. The Plymouth-based company specialises in broadcast audio, sound engineering, radio studio design and installation, alongside audio-visual production and technical support for live events. Its work takes the team into a wide range of venues and locations across the UK, where mobile coverage can vary considerably. For outside broadcasts, relying on a single mobile network can present a challenge. The network providing the strongest connection at one venue may not deliver the same performance at the next, making flexibility particularly important when live audio is being transmitted. Hargrave Media uses KeySIM multi-network IoT SIMs to provide that flexibility. KeySIM gives the com