Interfone de vídeo KNZD-37W

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Overview
The door intercom with camera is an outdoor door station designed for entrance guard control. It integrates a high-definition camera and push-to-talk two-way voice communication. The unit is made of stainless steel (SUS304) and can be flush-embedded or wall-mounted. It supports integration with PABX/PBX systems and can be used for flats, villas, lodging or multi-tenant buildings.

Features

• Main body with whole stainless steel body, solid and temperature resistant.
• Handset-free operation, built-in loudspeaker for hands-free communication.
• Built-in high-definition camera for visual verification of visitors.
• Lightning protection conforming to ITU-T K21 (automatic protection).
• Waterproof grade IP65 (can be improved to IP67).
• Metal shell with grounding connection and electromagnetic shielding; inner circuit insulated.
• Support hotline call and automatic ring-off if the other side hangs up.
• SMTC craftwork for reliable quality; super thin and smart design; both embed and hanging styles available.
• Call time limit function (e.g. set by five minutes), auto ring-off if time exceeded (optional).
• Telephone certified by ISO9000(2000).

Applications
Suitable as a public telephone for indoor or outdoor use, elevator phone, taxi or bus stands or stations, highway call box, railway/metro, ATM side, tunnel, port/dock, mines, generation facilities, or other wet or corrosive atmospheres.

System
The door intercom is mainly used for access control of important areas and identity verification through the camera. It can be integrated into emergency management or railway telephone systems and connected with tenant smartphones or VoIP phones for remote answering and door control.

Specification (key technical table)
Model: KNZD-37W
Pickup device: 1/3 OV7949 CMOS
SYS: PAL/NTSC
Effective Pixels: 268(H) x 586(V) / 510(H) x 496(V)
Sensing Area: 5.961mm x 4.276mm
Scanning System: 2:1 Interlaced Scanning
Sync System: Internal Synchronization
Sharpness: 420 TV lines
Horizontal Sync Frequency: 15.625KHz / 15.734KHz
Vertical Sync Frequency: 50Hz / 60Hz
Minimum Illumination: 0 Lux / F2.0 with IR
Video Output: 1.0 Vp-p, 75Ω
Gamma Coefficient: 0.45
AGC: Auto
Signal-to-Noise Ratio: >48 dB
White Balance: Auto
Electronic Shutter: 1/50-1/80000(s) / 1/60-1/80000(s)
Backlight Compensation: Auto
Current: 80 mA ±10%
Voltage: DC 12V ±10%
Operating Temperature: -20°C ~ 50°C, RH95% MAX
Storage Temperature: -30°C ~ 60°C, RH95% MAX
Lens: 3.6mm F = 2.0
Camera Angle: 90°
Weight: 25 g

Caractéristiques / spécifications techniques

• Modèle: KNZD-37W
• Taille: 220 x 150 x 60 mm
• Matériau: SUS304 (stainless steel)
• Caméra: 1/3 OV7949 CMOS, PAL/NTSC, 420 TV lines
• Objectif: 3.6 mm, F2.0, angle 90°
• Illumination minimale: 0 Lux avec IR
• Alimentation: DC 12V ±10%
• Courant: ≈80 mA
• Indice de protection: IP65 (option IP67)
• Température de fonctionnement: -20°C à 50°C
• Intégration: compatible avec PABX/PBX, supporte appels hotline et contrôle d'accès à distance
• Construction: boîtier métallique avec mise à la terre et blindage électromagnétique