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General| Wide Angle | 120° |
|---|---|
| Audio | Built-in microphone and speaker |
| RS485 | Yes |
| Wiegand | Yes |
| RAM | 2GB |
| Ingress Protection | IP65 |
| Installation | Wall-mounted |
| Camera | 2MP |
| Network | 10/100M Ethernet |
| POE | 802.3af |
| Processor | Quad-Core |
| Storage | 8GB |
| Operating Temperature | -20°C to 60°C |
| Display | 7-inch LCD touchscreen |
Overview of Akuvox R28 as a SIP-compliant, hands-free video door phone for remote access.
Details the various connectors on the Akuvox R28, including Ethernet (POE), 12V/GND, and RS485.
Instructions on how to initiate calls by room number, SIP extension, IP address, or from contacts.
Explains the auto-answer function and how to manually answer incoming calls on the R28.
Steps to unlock doors using predefined public PIN codes and troubleshooting incorrect PIN entry.
Guide on unlocking doors with private PIN codes, including default settings and digit length.
Procedure for unlocking doors using RFID cards (13.56MHz and 125KHz) on the R28A.
Information on remotely unlocking doors during a call using predefined DTMF codes from an answer unit.
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