Bosch LBB1956/00 call management system

The Plena call station is a stylish high-quality call
station with a stable metal base design a flexible
microphone stem and a unidirectional condenser
microphone. It can make calls to selected zones (one
to six and all-call) in a public address system built with
the Plena Voice Alarm System. In addition to tabletop
use the special design allows it to be neatly flushmounted
in desktops. The Plena Voice Alarm Keypad
(LBB 1957/00) is an extension adding seven additional
keys.

Stylish six-zone call station for the Plena Voice
Alarm System
Six zone selection keys all-call key and momentary
PTT-key for calls
Selectable gain speech filter limiter and output
level for improved intelligibility
LED indications for zone selection fault and
emergency state
Call station extension provides seven additional
zone and zone group keys