The SDR-2R-INT internal sounder is ideal for those hard-to-reach areas out of earshot of keypads or panels - but where users need to hear system sounds. Designed with a discreet housing, the unit blends in easily in entrance halls and other aesthetically sensitive areas. What’s more, it offers the option of connecting via either a radio expander or control unit with built-in radio capability. Scantronic Secure Radio (SSR) products feature advanced two-way communication and true signal encryption, ensuring market leading cybersecurity comes as standard. Over-the-air updates keep devices future-proof and reduce labour time onsite, whilst shortened device response times improve battery life and ensure rapid event notification, minimising false alarms. 2-way encrypted radio LED diagnostics Suitable for wire-free installation Uses 4 x AA batteries 80dB output All system sounds including entry/ exit, fault and alarm tones Multiple internal radio sounders can be put on the same system Compatible with all current i-on or Scantronic series control panels
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