The LS-201T has been specifically designed for FTTx testing applicatons where the 1490nm wavelength is utilized.

Auto-Wavelength Recognition
LS201T units can transmit with a wavelength-identification digital encrypted protocol, enabling the PM204 Power Meters to automatically use the proper calibration parameters. This feature reduces the need for communication between the two technicians and decreases the potential for error.

The LS201 series offer excellent stability and portability for accurate fiber optic testing. Single output port provides stable laser power at dual wavelengths. The compact unit operates in either continuous wave (CW) mode or modulated mode. The output power is adjustable through up & down keystroke. A low battery indicator reminds the user of recharging the battery

Features:

Easy-to-use, straight forward operation Eye-catching handheld package LCD backlight for easy operation in darker environments ±3dB Adjustable by the user Rechargeable battery inside Three-year warranty and recommended calibration interval

Specifications:
Item / Model No.	LS-201T
Output wavelength (nm)	1310 / 1490 / 1550
Emitter Type	LD
Output stability	Short Term (15 min.): < ±0.05dB @ 1310,1550nm; ±0.1dB @ 1490nm Long Term (8 Hours ): < ±0.1dB @ 1310,1550nm; ±0.2dB @ 1490nm
Central Wavelength (nm)	1310±20 & 1490±20 & 1550±20
Spectral Width	5 nm
Connector	FC/PC, SC/PC, ST/PC interchangeable connectors (APC is available at the time of ordering)
Output Frequency (Hz)	270, 1000, 2000
Output Power	-5 dBm
Adjustable Range	±3dB, 0.1dB/step
Auto Power-off	Yes
Back-light	Yes
Operating Temperature	-10°C to 50°C
Storage Temperature	-20°C to 70°C
Power supply	2pcs * Ni-MH AA(2500mAh)
Dimension (mm)	160L * 76W * 45H
Net Weight	270g

Standard Accessories:

FC/PC, SC/PC, ST/PC interchangeable connector Carrying Bag User Manual Worldwide compatible AC/DC power adaptor Battery Test report

Optional Accessories:

FC/APC Connector SC/APC Connector