... Four wavelengths optional Continuous light,modulated light out SENTER ST815 PON Laser Source ST815 Laser Source can support stable laser ... friendly operation interface, the ST815 advanced stability handheld optical light source provides a lot of convenience for your field work ... ±20nm,1550±20nm, 1625±20nmSpectral width (nm)≤5Output optical power (dBm)≥-7Optical Output ModeCW/270Hz, 1kHz, 2kHzOptical ...