Full-Duplex Optical Talk Set with Stabilized Light Source – GAOTek

Description Overview GAOTek full-duplex optical talk set with stabilized light source is an intelligent and efficient instrument that combines in one set the functions of both a digital optical phone and a stabilized light source. It is widely used in operations of installation, optical testing, maintenance and fiber attenuation value testing in data network, CATV and telecommunication network. It can carry out full-duplex communication with high quality connection and not be affected by distance. With comfortable hand feelings, and nice outside looking, the user can easily operate on this optical tester.   Features Full-duplex digital communication with high quality conversation connection and low background noise. Together with optical clip-on coupler, enables online communications available Combining functions of both a digital optical phone call and a stabilized light source. Large LCD display with backlight Low battery power indication Laser sources have the modulation of 270Hz, 330Hz, 1KHz, 2KHz.   Technical Specifications Wavelength 1310(A) or 1550(B) Fiber Type SM Dynamic Range 45 dB Distance 74.56 miles (120 km) Laser Device Type FP or LD Output Adjustment 1 dB Output Power -5 dB to -15 dB Output Stability(dB,30min,20ºC) ¹ <0.05 Modulation CW, 270Hz, 330Hz, 1KHz, 2KHz Connector Type FC/PC Battery 3 x AA,1.5V Battery Operation Time(h) ² 30(Talk set function),50(laser source function) Work Temperature (ºC) 14°F to 140°F (-25° C to 70° C) Storage Temperature (ºC) -13°F to 158°F (-10° C to 60° C) Dimension 6.34 in x 3.54 in x 1.73 in (16.1 cm x 9.0 cm x 4.4 cm) Weight 7.94 oz (225 g)