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General| Color | Yes |
|---|---|
| Video codecs | H.264, H.265 |
| White balance | Auto |
| Number of buttons | 15 buttons |
| Connectivity technology | Wired |
| Number of displays supported | - |
| Maximum number of cameras supported | 1 |
| Voice codecs | G.711a, G.722, G.729 |
| Speaker power | 3 W |
| Display diagonal | - \ |
| Control type | Buttons |
| Product color | Black, Silver |
| Housing material | Aluminum |
| International Protection (IP) code | IP65 |
| Ethernet LAN data rates | 10, 100 Mbit/s |
| Supported network protocols | IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTSP, RTP, TCP, UDP, ICMP, DHCP, ARP |
| Megapixel | 2 MP |
| Sensor type | CMOS |
| Maximum frame rate | 25 fps |
| Optical sensor size | 1/2.7 \ |
| Minimum illumination | 0.1 lx |
| Supported video modes | 1080p |
| Viewing angle, vertical | 58 ° |
| Maximum video resolution | 1920 x 1080 pixels |
| Viewing angle, horizontal | 110 ° |
| LED type | IR |
| Indoor unit power type | DC |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating temperature (T-T) | -30 - 65 °C |
| Operating relative humidity (H-H) | 10 - 90 % |
| Outdoor unit included | No |
Weight and Dimensions| Depth | 29 mm |
|---|---|
| Width | 85 mm |
| Height | 185 mm |
Provides information about the manual's purpose, applicability version, and where to seek support.
Details the Akuvox R20K as a SIP-compliant, hands-free video door phone for communication and access control.
Explains the Ethernet (POE) and 12V/GND power connectors, plus RS485 and Wiegand terminals.
Provides a table detailing the meaning of different LED statuses (Blue, Red, Green, Pink) for the device.
Instructions on how to initiate a call using the SIP account, IP address, or management center key.
Describes how to answer incoming calls, either automatically or by pressing the dial key.
Unlocks doors using a pre-configured public PIN code. Default is '33333333', changeable from 4 to 8 digits.
Unlocks doors using a private PIN code, default 8 digits, changeable from 3 to 8 digits.
Unlocks doors by tapping RFID cards on the reader. Supports 3.56MHz and 125KHz RFID cards.
Unlocks doors remotely using a predefined DTMF code from an answer unit during a call.
Provides a comprehensive list of technical abbreviations used in the manual with their full forms.
Provides contact details including website, sales and support emails, and telephone numbers for inquiries.
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