This TRENDnet TEG-MGBS40D3 module is a high-quality, reliable choice for anyone in need of a Mini-GBIC Dual Wavelength Single-Mode LC Module. With a lifespan warranty of 3 years, this module is designed to span distances up to 40 km (24.9 miles) and is compatible with standard SFP slots. The LC Simplex connector-type and Dual wavelength fiber mode make it a versatile option for any enterprise networking, servers, or computers/tablets & networking setup. Please note that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm, as indicated by the California Prop 65 Warning. For more information, please visit www.P65Warnings.ca.gov.