Engineered for OM4 multimode fiber optic networks, this LC fiber optic keystone coupler supports ultra-high-speed connections such as 10G and 40G Ethernet. The violet housing aids fast fiber type identification in mixed cabling systems. Precision ceramic sleeves guarantee low insertion loss and high return loss, reducing signal degradation and enhancing network reliability. The duplex design allows dual simultaneous fiber transmission, maximizing port utilization. Compatible with all standard keystone panels and wall plates, it simplifies installation and maintenance in enterprise and data center environments. The durable construction ensures long-term stable connections. Sold in packs of 10, it is ideal for large-scale, high-performance fiber optic deployments.