Rs232 splitter

PCI-E Serial Port Adapter Internet Splitter PCI-E Riser Card Adapter PCI-E Expansion Card PCI-E To RS232 Serial Card Expansion Adapter AX99100 Chip

4K HDMI Matrix 4X4 with Audio Extractor HDMI Matrix Switch 4x4 HDMI Matrix Switcher Splitter Selector Box Support HDR 18Gbps EDID RS232 4K@60Hz 2.0

4K HDMI Matrix Switch HDMI Matrix Switcher Splitter 4 Inputs 4 Outputs Backlit Button EDID RS232 Support 4x4, 4K@30Hz HDCP, Management,