Grandway OTS-4 Optical Talk Set Full Duplex Communication 50dB Danymic Range

Main Features: Energy-saving design, long-time operation Can be used as a steady laser source Articulate voice, low background noise Judgmatical calling function 32 steps volume control Low-power alarm Specification: Type OTS-4 Wavelength A: 1310nm, B: 1550nm (unit A works at 1310nm, unit B at 1550nm) Telecommunication System full duplex communication Fiber Type SM & MM (the dynamic range will shrink 20dB for MM fiber) Spectral Width <15nm Adaptor Type FC/PC Dynamic Range 50dB Output Power -3dBm Power Supply rechargeable build-in Ni-MH Batteries & AC/DC adaptor Operating Hours 40 hours (standard) Tri-party Communication Yes Hands-free Speaker Yes Dimension 220mmL*110mmW*45mmH Operating Temperature -10~ 50 degree Storage Temperature -20~ 70 degree Operating Humidity <90% (non-condensing) Net Weight 550g (including battery) Standard Accessories: main units (unit A and unit B), 2*headphones, rechargeable batteries, 2*carrying bags, 2*AC/DC charger, 2*user manuals, test report Optional Accessories: Clip-on coupler, tri-party communication line Customization: SC/PC adaptor, ST/PC adaptor