This toolbox talk provides a comprehensive guide to safe radio communication for security teams operating in a variety of environments, from retail premises to large public events. It explains why reliable radio use is a legal and operational necessity, detailing the hazards of miscommunication, electromagnetic interference, physical injury and unauthorised interception. The document outlines practical steps such as pre‑shift battery checks, use of standard call‑signs, maintaining a 30‑second silence for emergency services, recording instructions in incident logs, securing equipment in BS EN 50131‑1 rated cabinets, quarterly performance testing, employing BS EN 60318‑1 earpieces in noisy settings, inspecting antenna integrity, and limiting transmission power. Each action is linked to specific UK legislation – the Radio Equipment Regulations 2017, Wireless Telegraphy Act 2006, Health and Safety at Work Act 1974 (Regulation 7 of the Management of Health and Safety at Work Regulations 1999), and the Private Security Industry Act 2001 – ensuring compliance and reducing the risk of accidents, prosecutions or licence loss. For further reading see the HSE communications guidance, the Radio Equipment Regulations 2017, the Wireless Telegraphy Act 2006 and the Management of Health and Safety at Work Regulations 1999. Use this talk during inductions, regular briefings and post‑incident reviews to maintain a high standard of radio discipline and legal compliance.