ML-S+31Dout-10 is a singlemode 10G SFP+ module with 1310nm wave length and 2 LC connectors for link at distance up to 10km. Module is "cisco compatible", so it is compatible with almost all active devices. The advantage of this product is higher frost resistance and its operating temperature is set deep under frost point to -40 to 70°C. The module is ideal for installation in outdoor microwave devices.