doors
valcom v 2900 door answer device single v2900
door answer device li single li single dooranswering device li provides two way communication does not provide door unlock capability li built in talkback amplifier li ring generator li transmit and receive volume control li includes avc vp 324 power supply li compatible with all valcom doorplate speakers li access pbx loop starttrunk port electronic or 1a2 line key line cardrequired or dedicated single line phone set input impedance 600 ohm li ouput impedance 45 ohm li weight 3.4 lbs li dimensions 8.25 h x 4.5 w x 2.35 d li valcom power units n a power included
valcom