Frederick Engineering FTK-120
FTK-100 provides on-site communication for people in the field by transmitting voice into modulated optical signal through the fiber link.
Features:
Full duplex communication over SM fiber
Voice communication form any point of a fiber with a clip-on coupler to the control room
Multi-party communication function
Adjustable head set volume
Digital communication with minimized line noise
Automatic signal detection and ringing function to alert operator
Auto-off function for battery saving
Three power options: Rechargeable Ni-MH battery, Alkaline battery, and AC adapter