Advanced Multi-Subscriber Call Panel 280D-B20

Description Multi-subscriber call panel 280D-B20

DNAKE 280D-B20: Modern Video Intercom

The 280D-B20 is an advanced video intercom that enables you to make video calls with the apartment entrance door and open the door remotely from an indoor monitor or a mobile app. The device easily integrates with SIP devices and elevator control systems, making it an ideal solution for modern residential complexes.

Key Features and Advantages

• Remote Door Unlocking: Open the door using an IC card (up to 20,000 users), PIN code, or NFC.

• Flexible Power Supply: Can be powered by both PoE (Power over Ethernet) and a standard DC 12V/2A power adapter.

• Easy Integration: Full support for the SIP 2.0 protocol ensures compatibility with other SIP devices.

• Elevator Control: Allows for easy integration with an elevator control system.

• Durability: The device is protected by the IP65 standard, providing protection from dust and water jets.

• Informative Display: Equipped with a 4.3-inch TFT LCD screen.

Detailed Technical Specifications

Physical Specifications

• System: Linux

• RAM: 64 MB

• ROM: 128 MB

• Front Panel: Aluminum

• Button: Mechanical

• Camera: 2MP, CMOS

• Door Entry Methods: IC card (13.56MHz), PIN code, NFC

• Ports:

  • 1 x RJ45 (10/100 Mbps adaptive)

  • 1 x RS485

  • 1 x Relay Out

  • 1 x Exit Button

  • 1 x Door Magnetic

• Installation: Flush mounting

• Dimensions: 380 x 158 x 55.7 mm

• Working Temperature:

  • -10℃ to +55℃ (default)

  • -40℃ to +55℃ (with heating film)

• IP Rating: IP65 (It is recommended to seal the cracks between the door station and the wall with glass glue.)

Display and Video

• Display Type: 4.3-inch TFT LCD

• Resolution: 480 x 272

• Video Codec: H.264

• Video Resolution: 1280 x 720

• Max. Image Transfer Rate: 720p – 25fps

• Viewing angle: 100° (Diagonal)

• Light Compensation: LED white light

Audio and Networking

• Audio Codec: G.711

• Microphone: Built-in microphone

• Speaker: Built-in speaker

• Echo Cancellation: Yes

• Networking Protocol: SIP 2.0