OTS-4 is a new generation intelligent instrument , it integrates the functions of optical phone and stabilized light source in one unit. it is widely used for construction , testing maintenance and attenuation measurement of the optical fiber engineering , it is full duplex communication and has high quality conversation . it is a excellent tools for optical network field work.
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
Maximum dynamic range 50dB for long distance communication