290 2-Wire SIP Door Phone System

As intermediate device of two-wire systems, it can realize two-way conversions between digital and analog signals, and can be used together with outdoor station & indoor monitor of existing digital system. You don’t need to replace the existing cables from a doorbell or telephone. It’s adaptable in transformation of old building without any rewiring or infrastructure improvement. 

> No need to replace cables or improve the infrastructure

> Save the cost of replacing the device

> Match with outdoor station & indoor monitor of existing digital system

> Support Android/Linux system and customized UI

> Support SIP and VoIP expansion

> Remote control and upgrading

> Mobile APP

> Support IP camera

> Strong compatibility

> Unlimited number of indoor monitors


system architecture