Jack Box Headset Stations for RRP800 Fire & Safety Intercoms includes a Rugged Quick Lock™ jack box with Firecom 5-Pin jacks and connectors for daisy chain installation and expansion. Available in Three Models: Single Position Jack Box Headset Station, Single Position Jack Box Headset Station with dual PTT, and Dual Position Jack Box Headset Station. The Dual PTT Jack Box enables PTT functions for each radio. The extension jack box enables in-vehicle communication with a listen-only radio function. Construction utilizes aluminum extrusion and includes a built-in panel mount designed with self-tapping screws. Configuration options include Jack Box with and without PTT. Rugged Quick Lock™ jack boxes facilitate quick and reliable installation without soldering and RF interference.