- Multifunctional light source: dual wavelength singlemode (1310/1550 nm), or four wavelengths (two multimode, and two singlemode) on two ports
- Power autonomy of 120 hours
- Highest output power in the industry
- Three-year recommended calibration interval for reduced cost of ownership
- Ergonomic, eye-catching handheld package
FLS-300 light source
The FLS-300 light source is part of EXFO’s line of handheld units, which includes the PPM1 power meter and the FOT-300 optical loss test set.

