Advantech ADAM-4520-EE by Advantech Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $250.00 4 IN STOCK 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Advantech Media Converter ADAM-4520-EE RS-232 10-30 VDC 12 VDC 24 VDC