
Dahua KTA02M
Complete 4-wire Analog Video Door-Entry Solution
Key Features
Screen: 7-inch TFT display with a resolution of 1024 × 600 on the monitor.
Capacity: Supports up to 2 door stations and 3 indoor monitors.
Functions: Unlocking, voice calls, video calls, volume adjustments, and doorway monitoring.
Camera: 1.3 MP CMOS camera with digital wide dynamic range (DWDR).
Wiring: Analog 4-wire connection between the outdoor station and indoor screen.
Overview
The Dahua KTA02M Video Intercom Kit is a complete 4-wire analog video door-entry solution designed for villas, apartments, small offices, and residential developments. The kit combines the DHI-VTH1020J indoor monitor with the DHI-VTO1000JM metal outdoor door station. The indoor unit features a 7-inch TFT display with 1024 × 600 resolution, touch-button operation, voice and video calling, remote door unlocking, volume adjustment, doorway monitoring, and multiple bell sounds. The outdoor station uses a 1.3 MP CMOS camera with approximately 70° horizontal and 40° vertical field of view, DWDR, automatic IR illumination, automatic day/night switching, microphone, speaker, door-status detection, and remote unlock control. The VTO1000JM also provides a metal ADC12 enclosure with IK07 impact resistance and IP66 weather protection, while the system supports up to 2 door stations and 3 indoor monitors, making it suitable for expandable residential installations. The related Dahua KTA03M uses the same VTO1000JM metal outdoor station but upgrades the indoor monitor to the DHI-VTH1020J-T. It retains the 7-inch 1024 × 600 TFT display, analog 4-wire communication, remote unlocking, video and voice calling, volume control, multiple bell tones, DWDR support, and 2-door-station/3-indoor-monitor capacity, but adds visitor snapshot capability. This makes KTA03M the better choice when users want local image capture of visitors, while KTA02M is ideal for standard video intercom and door-release functionality. Both systems are surface-mounted, include the necessary mounting bracket and cabling accessories, and are designed for simple, reliable residential deployment. VEGA Digital IT Solutions LLC provides the Dahua KTA02M, KTA03M, VTH1020J, VTH1020J-T, VTO1000JM and related Dahua 4-wire intercom products as a professional vendor, supplier and system integrator across Dubai, the UAE and the wider Middle East. VEGA Digital can deliver complete installations including indoor monitors, outdoor door stations, electric strikes or magnetic locks, door contacts, exit buttons, power supplies, rain covers, and structured 4-wire cabling. System services include site survey, model selection, monitor and door-station positioning, 12 VDC power planning, lock-release wiring, camera-angle and audio adjustment, snapshot configuration for KTA03M, testing, commissioning, user training, troubleshooting, and future expansion. This allows villas, apartments, offices, and residential developments to deploy a reliable, scalable, and cost-effective Dahua analog video intercom solution throughout the Middle East.
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