Fanvil i503W SIP Indoor Station (i503W)

The Fanvil i503W is a compact, wire-free indoor station tailored for retrofit and hard-to-wire projects. With its built-in rechargeable battery, Type-C interface, and plug-and-play design, it allows installers to deploy it rapidly while minimising wiring costs. Designed for modern apartments, villas, and legacy buildings, the i503W delivers a flexible, reliable, and convenient intercom experience, positioning it as the ideal choice for cost-effective, fast-deployment projects.

The i503W features a 2.8-inch colour display supporting audio and video calls with Fanvil door phones, G.722 and Opus audio codecs with up to 5-metre voice pickup, one-touch family call with multi-party full-duplex communication, and dual-band 2.4 GHz / 5 GHz Wi-Fi 6 for fast, stable wireless connectivity.

Fanvil i503W Technical Specifications:

Display

• 2.8-inch IPS colour screen
• Resolution: 320 × 240 pixels

Physical

• Casing material: ABS + PC
• Button: 5 programmable physical buttons
• Speaker: 5W multimedia speaker

Battery

• Capacity: 2600 mAh (typical); 2470 mAh (rated)

Wireless

• Wi-Fi: 2.4 GHz / 5 GHz, Wi-Fi 6

Power

• 5 VDC, 2A

Audio

• Narrowband codecs: G.711a, G.711u, G.729AB, iLBC
• Wideband codecs: G.722, Opus
• Full-duplex hands-free communication with Acoustic Echo Cancellation (AEC)

Video

• Video codec: H.264

Protocols & Features

• Supported protocols: SIP 2.0 over UDP/TCP/TLS
• DTMF: in-band, out-of-band (RFC2833, SIP INFO)
• Do Not Disturb (DND): supported
• Remote door unlocking
• One-touch family call

Other Physical Features

• Applications: residential communities, office buildings, villas
• Installation: desktop installation
• Operating temperature: -20°C to +60°C (-4°F to +140°F)
• Storage temperature: -30°C to +70°C (-22°F to +158°F)
• Operating humidity: 10% to 90% RH
• Gross weight: 395.3 g
• Dimensions (W x D x H): 12.95 x 5.96 x 6.75 cm

Package Contents

• 1 x Fanvil i503W SIP Indoor Station

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