ST800K-B (Brand- Senter, Country of origin China)
Features:
Multi-wavelength precise measurement
Absolute power measurement of dBm or xW
Relative power measurement of dB
LCD backlight display
Auto off function/ Auto off LCD backlight display function
Different types of adapter: FC, SC, LC, ST etc.
Rechargeable battery
OLP-35 (Brand- VIAVI Former JDSU, Country of origin USA)
Features:
850, 1300,1310,1490,1550, 1625 nm wavelength
Different types of adapter: FC, SC, LC, ST etc.
Lithium battery / rechargeable / AAA battery
Multifunctional power meter
EPM-50 & EPM 300 (Brand- EXFO, Country of origin Canada)