Portable Handheld Fiber Optic Light Source for FTTH, 1310/1550nm Fiber Tester — Easy Operation

Offers 2 selectable output wavelengths to match customer requirements. At 650nm the unit provides CW and 2Hz modulation; at other wavelengths it supports CW plus selectable modulation at 270Hz, 1KHz and 2KHz. Engineered for consistent performance, it delivers high stability in output power and maintains a stable output wavelength, making it suitable for reliable FTTH fiber testing.