FTTH Handheld Fiber Optic Light Source — 1310/1550nm Fiber Tester for Accurate Identification

Compact handheld light source for FTTH applications (1310/1550nm) with selectable dual output wavelengths (optional per customer). Modulation settings include: at 650nm — CW and 2Hz; at other wavelengths — CW, 270Hz, 1KHz and 2KHz. Designed for consistent performance with high output power stability and a stable output wavelength to ensure reliable fiber identification.