Features 1000fx, 1550nm, 20km, LC, 1 Fiber Must be paired with SFP-GLCS120-A Conforms to (SFP) Small Form-Factor Pluggable Multi-Source Agreement (MSA) Operating temperature: -40?C to +75?C No in-field adjustments required This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.