Simplex 565-274 Universal Master Motherboard for 4100 Panel NEW OLD STOCK
$29.99

Simplex 565-274 Universal Master Motherboard for 4100 Panel NEW OLD STOCK
New, unused stock.
The 565-274 is a motherboard for use on Simplex 4100+, 4120, or Universal Transponder panels. This motherboard provides power and communications to the main CPU card and an optional 4120 network card.

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