This low cost add-on to the telephone system allows for multiple ringing extensions without loading the line. The FK304 is designed for use in the shops,home and the office.

Technical Specification

• Power Supply : 6-9VDC (36mA max. @ 9VDC)
• Tone Level Adjustment : Trimmer Potentiometer.
• PCB Dimensions : 2.13" x 1.87" x 0.6" (54mm x 1.87mm x 15mm)

Download User Manual