Measurement range: -50~+26dBm,calibrated wavelength:850nm 1300nm 1310nm 1490nm 1550nm 1625nm Brief Introduction: ... :850nm,1300nm,1310nm,1490nm,1550nm,1625nmModel:B: Measurement range: -50~+26dBm,calibrated wavelength:850nm,1300nm,1310nm,1490nm,1550nm,1625nm Features: 1 ...