The Clear-Com KB-701 remote speaker station connects to a single channel of party-line intercom and operates in half-duplex mode. It features both an integral speaker and a flush-mount electret microphone with mic limiter and a push-to-talk button. It can be programmed via two internal dipswitches to operate in four different modes, activated by other stations within the intercom system. The KB-701 can be wall or console mounted in a standard 4-gang electrical box, or mounted in the optional V-Box for desktop, surface-mount, or portable applications.Main Features:Single-channel, push-to-talk speaker stationFour different modes of operation, internally programmableMicroprocessor- controlled logic and switchingFlush-mounted internal microphoneVisual and audible call signaling, with bright LED indicatorBalanced local program input with separate level controlOptional TW and 4-Wire daughter boards provide additional flexibilityWall or console mount, or optional V-Box for portable or desktop useLED buttons for talk, listen, call, announce, link, all talk, or mic on