Features:(OTS-4)

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
• Maximum dynamic range 50dB for long distance communication