Aiphone KB-3MRD Master Monitor with Handset

Designed for professional security and access control environments, the Aiphone KB-3MRD Master Monitor with handset delivers reliable visitor screening and internal communications in one compact unit. As an Aiphone video master station, it lets security teams connect up to three video door stations and four sub monitors to centralize monitoring and simplify response workflows. The 4" TFT color LCD with DSP provides clear, bright images for accurate surveillance and identification, while the handset enables private conversations and secure verification before granting entry. Built for practical deployment, the KB-3MRD uses 2-wire wiring and 24V DC power, supporting runs up to 650' to accommodate varied site layouts. Features like selective room calling, all-call, door release control and chime/tilt adjustments help streamline operations in offices, schools, healthcare facilities and multi-tenant buildings. TAA/NDAA compliance makes this master monitor a strong choice for government and enterprise projects. Add the KB-3MRD to your next security upgrade to improve access control, remote monitoring and on-site communications—contact us to specify or order today.

• Centralize visitor screening with one master station that supports up to three video door stations and four sub monitors, improving site-wide monitoring and response.
• Private handset for confidential two-way communication and a door release button to securely verify and grant access without leaving the console.
• Crisp 4" TFT color display with DSP image processing for clear surveillance images, reducing misidentification and improving situational awareness.
• Selective room calling, all-call capability and individual call buttons streamline internal communications and coordination across multiple locations.
• Simplified installation with 2-wire connectivity, 24V DC power and up to 650' maximum wiring distance for flexible placement in offices, schools or multi-tenant buildings.
• TAA/NDAA compliant design for government and enterprise projects, backed by a 2-year limited warranty for reliable, long-term operation.