... and Reliability 2.Digital adjustment of laser emitter temperature Optical passive components testing Device The JWD1100 series high stable ... this can increase the using life of the unit.Specifications TYPEJWD1100Operating Wavelength(nm)850,980,1300,1310,1480,1550, ... 120Net Weight(kg)4.7Remark: All specifications stated here are depend on DFB laser, Specifications like emitter types, central wavelength, ...