Awernica
VTO7521G-S2
China
Discontinued
Dahua

Dahua VTO7521G-S2

Category
Intercom
First seen by Awernica
Oct 2026

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Latest Firmware

4.600.0000000.6.R.260624

Download

No published release date

Software Support

Not specified

No published date

Replacement

Not specified

No verified replacement

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Specifications

From the manufacturer's product information.

System

Main Processor
Embedded processor
Internet Protocol
IPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Keyboard Type
Touch keyboard

Basic

Appearance
G serials
Display
High definition IPS screen
Screen Type
Capacitive touch screen
Resolution
800(H)×1280(V)
Camera
2 MP CMOS
WDR
120dB
Light Compensation
Auto white light fill light; Auto IR light fill light
Status Indicator
1, blue-operation status
Voice Prompt
Yes
Housing Material
AL+PC+ABS

Function

Unlock Mode
Remote/password/card unlock
Online Update
Yes
Full Duplex Communication
Yes
Snapshot When Unlocking Doors
Yes
Leave Photos and Messages
Yes
Web Configuration
Yes
Issue Card Locally
Yes
Auto-Registration
Yes

Performance

Card Capacity
10, 000

Port

RS-485
1
Wiegand
1
Ethernet
1 10M/100M/1000M Ethernet port
Alarm Output
2 (Dry contact)
Alarm Linkage
Yes
Power Output
1 DC 12V/100ma
Exit Button
1
Door Status Detection
1
Lock Control
1, normally on or off by default
Storage
Micro SD card (up to 64GB reserved for software )

Alarm

Tamper Alarm
Yes
Duress Alarm
Yes
Door Sensor Timeout
Yes

Regular

Ingress Protection
IP66 (Apply silica gel to gaps between the device and the wall. Liquid sodium silicate is recommended. For details, see the quick start guide.)
Power Supply
Optional
Power Supply Mode
DC 12V/2A
Power Consumption
≤24.0W
Product Dimensions
389mm×145mm×43mm (15.31"×5.71"×1.69")
Packaging Dimensions
413mm×182mm×104mm (16.26"×7.17"×4.09")
Operating Temperature
-20°C to +60°C (-4°F to + 140°F)
Operating Humidity
10%RH–90%RH
Operating Altitude
86kPa to 106kPa
Gross Weight
1.91 kg (4.21 lb)
Accessory
Mount plate
Installation Method
Surface mount and flush mount
Operating Environment
Outdoor

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