door phone
45 $
The communication distance between the two pieces is 100 meters
Description
1 to 1 intercommunication (mutual call), paging and talking Includes: master unit and slave unit Operation distance: 500 meters/1500 feet (Ø0.65mm), 2-line connected, run wiring from point A to point B. Each handset connects to the other. Master unit uses AC110V and powers slave unit. Clear communication, easy to install. Applicable to offices, dwelling houses, tier buildings, multiple apartments, offices, factories, guard stations.
