NUKI - Connected interface for intercom Nuki Opener White

The Nuki Opener turns your existing intercom into a smart door opener. It was designed for DIY installation in your home.

Opener – Nuki Support

Nuki Opener - Smarten up your intercom.

344202 Bticino Intercom Handset Instruction Manual

The Nuki Smart Lock 4.0 Pro turns your smartphone into a smart key. White version.

Nuki Smart Lock 4.0 Pro White - NUKI

NUKI - Connected interface for intercom Nuki Opener White

Generic Analoge Ring Detection - Nuki Opener Beta - Nuki Developers

Make smart a Golmar T-5822VD intercom : r/homeautomation

NUKI Opener digital intercom - Questions - Nuki Developers

Nuki Opener Combo in test - how well does the smart door opener work?

Alternative to Nuki Opener that includes two-way voice communication : r/smarthome

Nuki Card with Callback support (supports both Lock & Opener, it replaces the official integration) - Share your Projects! - Home Assistant Community