Akuvox R20B is a call panel for multiple subscribers with mechanical call buttons, made in an aluminum housing with IP65 protection rating. It supports two-way audio communication via the SIP protocol and is equipped with IR illumination.

The panel is designed to organize access control and video surveillance for two subscribers in apartments, offices, and other facilities. It provides two-way audio and video communication with door lock control and integration into SIP PBX.

Video and lighting

Built-in camera: 2 MP

Viewing angles: horizontal – 110°; vertical – 58°

Lighting type: infrared

ONVIF and SIP support for integration with IP video systems

Audio

Two-way audio communication: yes

Echo cancellation: yes

DTMF command support for remote door opening

Access control systems

Card reader: Mifare, Em-Marine, NFC (13.56 MHz / 125 kHz)

Number of call buttons: 2 (with labeled panels)

Number of relay outputs for lock control: 2

Number of inputs: 2

Wiegand and RS485 support

Network and power

Interface: IP

PoE support: 802.3af

Power supply: DC 12V

Installation and housing

Mounting type: wall-mounted or flush-mounted

Housing material: aluminum

Protection class: IP65 (dust and moisture protection)

Operating temperature range: –30°C … +65°C

Package contents

Call panel

Bracket for wall mounting

Features

SIP standard support for easy integration with any SIP PBX

Two-way audio communication with echo cancellation

Vandal-proof aluminum housing with high degree of protection

Support for two subscribers and control of two door locks

Suitable for offices, apartments, and apartment buildings