Siemens 6GK5798-0AP00-4CA0 Industrial Automation Module. Siemens 6GK5798-0AP00-4CA0 is the exact manufacturer order number for a industrial automation module in the SCALANCE Industrial Ethernet portfolio. Siemens describes this exact reference as: N-Connect male/female Attenuator 10 dB. The verified manufacturer lifecycle record is PM300: Active Product.