VEX-B21L

ZKTeco’s VEX-B21L is a smart outdoor video station that seamlessly integrates video intercom capabilities with IC card and NFC, offering a comprehensive access control solution.

The VEX-B21L is equipped with Linux operating system and it supports IC card reading, mobile NFC, and PIN code password for verification. This smart outdoor station features a 2MP CMOS camera with a 100° wide viewing angle and a white LED supplement light, ensuring clear visuals in all lighting conditions. It is equipped with an H.264 codec for efficient, high-quality video transmission and storage. Furthermore, the VEX-B21L enables two-way communication with visitors via indoor monitors, facilitating identity verification before granting access.

This outdoor station is also equipped with a Wiegand, relay and RS-485 port, allowing it to connect and control door locks, providing versatile connectivity to access control devices.

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Parameters

Physical
System

Linux
RAM

64 MB
ROM

128 MB
Front Panel

Aluminum
Keypad

Physical key (16 keys)
Power Supply

PoE (IEEE802.3af ) or DC 12V / 2A
Standby Power

1.5 W
Rated Power

9 W
Camera

2MP, CMOS
Ethernet ports

1 x RJ45, 10/100 Mbps self-adaptive
Door Entry

IC card (13.56MHz ) (Card Capacity: 60,000), PIN code, NFC
RS485 Port

1
Relay Out

1
Exit Button

1
Door Magnetic

1
Wiegand Port

1
Installation Method

Flush mount (on flat surface)
Application Environment

Outdoor
Dimensions (H*W*D)

380 * 158 * 55.7 (mm)
Operating Temperature

-40°C to +55°C
Storage Temperature

-40°C to +70°C
Operating Humidity

10% to 90% (non-condensing)
Certifications

IP65 (waterproof and dust resistance)
IC Card Reading Distance

≤ 3cm
Display
Display

4.3” TFT LCD
Resolution

480 x 272
Audio
Audio Codec

G.711
Echo Cancellation

Yes
DTMF

RFC2833
Microphone

Built-in microphone
Speaker

Built-in speaker
Video
Video Resolution

1280 x 720
Viewing Angle

00°(D)
Max. Image Transfer Rate

720p – 30fps
Supplement Light

LED (white)
NETWORKING
Protocol

ONVIF, SIP 2.0, UDP, TCP, RTP, RTSP, NTP, DNS, HTTP, DHCP, IPV4, ARP, ICMP
Package features
Package Content

- VEX-B21L (Power adapter not included)
- Flush Mounting Box
- Screwing kit
- User Manual

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Type
Size
Update Time

PDF

ZK_VEX-B24A_User Manual_V1.0_20240705

User Manual

2.41MB

2024-08-28

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PDF

VEX-B24A_Smart Video Intercom_Datasheet_20240711

Datasheet

1.06MB

2024-08-28

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PDF

VEX-B21L_User Manual_20240711

User Manual

8.98MB

2024-08-28

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PDF

VEX-B21L_Smart Video Intercom Outdoor Station_Datasheet_20240711

Datasheet

473.3KB

2024-08-28

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VEX-B21L

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