Doorbird D21DKH, IP VIDEO DOOR STATION. Graphite black (Raven Polar), powder-coated, semi-gloss, Part# 423888982 office clock This intercom chime has one

This intercom chime has one or two audio doors

Integrated 4G-LTE modem

2 - combo1000Base-T/SFP Gigabit Ethernet Ports and 2 - Enhanced (1Gbps/2

DSAA authentication between the base station and handset

Gstyle / 500style Round Receiver & Transmitter Ends

Doorbird D21DKH, IP VIDEO DOOR STATION. Graphite black (Raven Polar), powder-coated, semi-gloss, Part# 423888982 office clock This intercom chime has oneThe efficient Doorbird D21DKH 423888982, IP VIDEO DOOR STATION. Graphite black (Raven Polar), powder coated, semi gloss is for multi tenant residences and buildings with up to 500 units. Features: Surface and flush mount possible, housings sold separately LAN connection (PoE capable) 2 way audio Ultra wide angle lens, 720p, night vision, 12 IR LEDs 4D motion sensor, RFID reader Keypad, display module 2 freely configurable bistable switching relays