• Audio/video master station with picture for JK Series works with a door station and an optional sub-master station (sold separately) to enable communication with a visitor prior to authorizing access.
• Image can be automated to capture visitor images when receiving a call from the door station, or can be set to record images only when the record button is pushed.
• 3-1/2" LCD color monitor activates when receiving a call from the video door station to aid visitor identification.Vandal resistant video door stations are available.
• Video monitor controls allow panning, tilting, and zooming of the 170-degree camera on the JK Series door station (sold separately) to customize the master operator's view of the visitor area.
• Door-release button controls an electric strike (sold separately) to remotely unlock the entrance for a visitor.

The Aiphone JK-1MED audio/video master station with picture for Aiphone JK Series works with a door station and an optional sub-master station (sold separately) to enable communication with a visitor prior to authorizing access. An incoming call activates the display on the 3-1/2" LCD color monitor to aid visitor identification. Up to 240 screen images can be recorded either manually using the record button or automatically when an incoming call from the door station is received. The audio and video feed from the door station continues to transmit to the master station for 45 seconds if the call is not answered. A call can be answered by either holding down the answering button for push-to-talk action or by tapping the button for hands-free communication with the caller. The video monitor controls allow panning, tilting, and zooming of the 170-degree camera on the JK Series door station (sold separately) to customize the view of the entrance. The door-release button works with an electric strike (sold separately) to remotely unlock the entrance for the visitor. The call button initiates audio communication with a connected sub-master station for remote communication. The monitor button can be pressed at any time to listen and receive video feed from the door station. The chime and audio volume is adjustable. Housing is ABS plastic. SpecificationsOverall dimensions7-5/16 x 5-5/16 x 1-1/16 inches/185 x 135 x 27 mm (H x W x D)*Maximum door distance from master165 ft. (22 AWG) using 22 AWG wire, or 330 ft. using 18 AWG wireMaximum IER-2 distance from master245 ft. using 22 AWG wire, or 490 ft. using 18 AWG wireCompatible wire (master to door)Aiphone 871802 (sold separately)Compatible wires (master to sub-master)Aiphone 871804 (sold separately)Door release contact rating24VAC or 24 VDC at 500mA. Use Aiphone RY-18L (sold separately) for larger contact rating.Power requirements18VDC. Use Aiphone PS-1820UL power supply (sold separately).*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. Door intercom systems allow an occupant of a building to communicate remotely with a visitor through at least one door intercom and master intercom. Master intercoms with a door-access button remotely unlock the door for the visitor. Aiphone manufactures intercom systems for residential, business, and care structures. The company, founded in Japan in 1948, has its North American headquarters in Bellevue, WA. Aiphone meets International Organization for Standardization (ISO) standards 9001 and 14001. What's in the Box? ------------------ * Aiphone JK-1MED master station * ing hardware * Option connector * Instructions