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Serial Interface Box (SIB) The SIB allows Matrix end-nodes (Lightbars, Citadels, Thin Supervisor, Thin Wingman) to be controlled by most Non-Matrix sirens and switches. Modify the flash patterns and settings in the Matrix software using the SIB's USB connection to a PC.
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🇺🇸 Ship from USA · On Agora since 2026
$192.82