Pre Calibrated Wavelengths: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Absolute power measurement of dBm or uW Relative power measurement of dB Auto off function 270 Hz, 330 Hz, 1 KHz, 2 KHz Modulation frequency Low voltage indication, Applicable to versatile adapters (FC, ST, SC, LC), Handheld, large LCD backlight display, easy-to-use
Pre Calibrated Wavelengths: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Absolute power measurement of dBm or uW Relative power measurement of dB Auto off function 270 Hz, 330 Hz, 1 KHz, 2 KHz Modulation frequency Low voltage indication, Applicable to versatile adapters (FC, ST, SC, LC), Handheld, large LCD backlight display, easy-to-use
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