10G SFP+ Optical Transceiver 40KM Specification Data rate: 10G Wavelength: Tx1330/Rx1270nm Distance: 40KM Interface: LC Fiber: SM DDM: Yes Place of origin: Made in China Port:Shenzhen Working temperature: Commercial: 0C to +70C;Industrial:-40C to +85C Optical module used in Ethernet, SDH, Sonet,Can be compatible with CISCO 2900 Series,CISCO 4000 Series, CISCO 5000 Series,HUAWEI, the pole into, D-Link, ZTE, HP, juniper and other equipment. Our products require strict testing standards,standard packing form,to provide customers with quality service and timely delivery cycle. Scope of application: switch, Ethernet, data center, SDH, SONET, ATM Package type: Individual package or 10pc/package.