A 2N intercom is a type of communication system that enables two-way voice communication between two or more people. It is commonly used in buildings, offices, apartments, and other public places where people need to communicate with each other.

2N is a brand of intercoms that offers a wide range of intercom systems, including IP intercoms, analog intercoms, and mobile intercoms. The 2N intercoms are designed to provide high-quality audio and video communication, and they can be integrated with various access control systems to enhance security and convenience.

Some features of 2N intercoms may include:

1. Two-way audio communication: The intercom allows two-way audio communication between the users, enabling them to talk to each other.
2. Video communication: Some 2N intercoms may come with a camera that allows video communication, enabling the users to see each other.
3. Access control integration: The intercoms can be integrated with various access control systems, such as door locks, to enhance security and convenience.
4. Mobile app integration: Some 2N intercoms may come with a mobile app that enables users to communicate with the intercom remotely.
5. SIP compatibility: The intercoms may be compatible with Session Initiation Protocol (SIP), a communication protocol used for voice and video calls over the internet.

Overall, 2N intercoms provide a reliable and convenient communication solution for various settings, and their features can be tailored to meet specific needs and requirements.