See and speak with visitors before you let them in. Answer from the front desk or your phone, and release the door with one tap. Tied into your access control and cameras.
Your front doorSecured by SADOS
Consumer doorbells were not built for businesses. See the fix
Home video doorbells are not built for commercial entries. Switch views to see what a business intercom changes.

6 gaps, weak0 gaps, covered
Illustration of common entry gaps, not a customer report.Book a free assessment
Door stations, answering and access control in one system, installed by our team.
Need door control too?Intercoms pair with access control for one-tap door release.
Mounting a doorbell is the easy part. Verifying and logging every visitor is the job we take on.
We start with a free site survey.
Entries, visitor flow and tenants mapped.
Stations, answering points and routing planned.
Wired, tested and tied into access control and cameras.
Staff learn to answer, route and release.
The DR40 video intercom and matching access control hardware.
Every product ships with optional on-site installation by our low-voltage team. Schedule a free site survey
Every intercom system is designed for your entries. Hardware is also available in our online store.
Design, hardware, installation and integration.
Start with a free site survey.
Rhombus door readers, controllers and credentials.
Optional on-site installation by our low-voltage team.
Cameras, access control and sensors, installed by our own low-voltage team.
It felt like a real partnership from the very start.
Straight answers on integration, internet and routing.
Still unsure? Talk to an engineer
Yes. Intercoms integrate with our access control systems so staff can verify a visitor and release the door from one screen, with every entry logged.
Local calls between the door station and indoor stations work on their own. Internet adds mobile answering and remote door release.
Yes. Employees can answer and release the door from the app, which is ideal without a receptionist or after hours.
Yes. A touchscreen directory lets visitors find a tenant or department and routes the call to the right station, phone or app.
Outdoor-rated models are available for entries exposed to rain, heat and sun.
Yes. Each destination sets its own answering rules and door release rights, and unanswered calls can forward elsewhere.
Book a free site survey for your building.