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STR Modules & Accessories provide the essential components that complete and expand STR Elektronik door entry systems. This range includes relay modules, microphones, speakers, buzzers, and power supply amplifiers, ensuring reliable communication and flexible integration across Qwikbus and IP installations. From simple audio upgrades to complex multi-door intercommunication setups, these genuine STR parts maintain full system compatibility and long-term reliability. Designed for precision, ease of installation, and professional performance, STR modules are ideal for both residential and commercial projects. Available from STR-UK, the official UK partner of STR Elektronik, with technical guidance and fast nationwide delivery.
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