Fanvil i503W SIP indoor unit w/ 2.8-inch color display,5W speaker,5m voice pickup,8 alarm inputs,RS485 interface,rechargeable battery, wall/desk moun

Fanvil i503W is a compact, wire-free SIP indoor station designed for apartments, villas, and retrofit projects, featuring a 2.8-inch color display, dual-band Wi-Fi 6, and a rechargeable battery for flexible installation without heavy wiring. 📋 Fanvil i503W Overview • Purpose: Indoor station for audio/video intercom, ideal for residential communities, offices, and legacy buildings. • Design: ABS + PC casing, desktop installation, plug-and-play setup. • Connectivity: Dual-band Wi-Fi (2.4 GHz / 5 GHz, Wi-Fi 6), SIP 2.0 over UDP/TCP/TLS. • Battery: 2600 mAh typical capacity, USB Type-C charging, long standby time. • Audio: 5W multimedia speaker, HD voice with G.722 & Opus, full-duplex hands-free with AEC. • Video: Supports H.264 codec for video intercom. • Functions: Remote door unlocking, one-touch family call, multi-party communication, Do Not Disturb (DND).