Stable 433MHz Wireless Intercom 1000m Range

Engineered for business-critical communication, this wireless intercom phone combines rugged ABS construction with stable 433MHz radio technology. It supports full-duplex voice transmission over distances of up to 1000 metres in open-air conditions, delivering crisp, intelligible audio without echo or lag. Power is supplied via a simple 5V 2A adapter (2W draw), and the unit integrates a digital display for local number and caller ID visibility. Mounting is unnecessary — the compact design fits neatly on any flat surface. Widely deployed across sectors including corporate offices, light industrial plants, hospitality operations, medical clinics, cultural venues and service-oriented retail spaces where responsive internal communication is essential.