OTS-4 Optical Talk Set

 
Description:
Grandway provides handheld durable optical talk set. The dynamic range of OTS-4 Optical Talk Set is 50dB at 1550nm. The high dynamic range ensures the quality of voice and long transmission distance.
Why should we use the optical talk set? In some remote area, the mobile phone may be out of service and two operators, who are laying down an optical cable for optical network, have to have a conversation. in the situation, the talk set is essential. With the talk set, the two operators can have a conversation via an intact optical fiber. It is easy and reliable.

Features:
Two pairs of OTS-4 supports tri-party communication via clip-on coupler device
Hands-free (HF) speaker provides users with convenient operation
Maximum dynamic range 50dB@1550nm for long distance communication

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℃
Storage Temperature
-20~+70℃
Operating Humidity
<90% (non-condensing)
Net Weight
550g (including battery)
Standard Accessories:
main units (unit A and unit B), 2*headphones, 12*AA 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