Aiphone IE door station is a weather-resistant communication device designed for outdoor use. It can be surface or semi-flush mounted and features a locator LED for easy identification. The IE door station is compatible with Aiphone IE and IE-8 intercoms, as well as TD-H/B and TB-M systems. When the CALL button is pressed, the door station activates a chime tone at the inside intercom station, allowing for communication between the door and the inside.