To R20A-2 είναι η πρώτη 2-σύρματη επιλογή Doorphone της Akuvox. Διαθέτει αντιβανδαλικό σώμα και προστασία IP65, ειδοποίηση ενός πλήκτρου, καλώδιο two-pin για παροχή ρεύματος και πρόσβαση στο δίκτυο, ευρυγώνια κάμερα και ενσωματωμένο Card Reader.
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Specifications |
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| Physical & Power | Front panel | Aluminum alloy |
| Camera | 2M pixels, automatic lighting | |
| Button | 1 call button | |
| Light sensor | Support | |
| Infrared sensor | Support | |
| Wiegand port | Support | |
| RS485 port | Support | |
| RF card reader | 13.56MHz (with NFC) & 125kHz | |
| Relays out | 1 | |
| Inputs | 1 | |
| Microphone | -40dB | |
| Speaker | 4Ω / 3W | |
| Power Interface | 1 | |
| Power supply | 48VDC two-wire power supply | |
| Water-proof & Dust-proof | IP65 | |
| Installation | Flush-mounted or Wall-mounted | |
| Flush-mounted DIM | 189x120x56.5mm | |
| Wall-mounted DIM | 145x85x27.5mm | |
| Working Humidity | 10~90% | |
| Working Temperature | -30°C ~ +60°C | |
| Storage Temperature | -40°C ~ +70°C | |
| Audio | SIP v1 (RFC2543), SIP v2 (RFC3261) | |
| Narrowband audio codec | ||
| Broadband audio codec | G.722 | |
| DTMF | In-band, out-of-band DTMF (RFC2833), SIP Info | |
| Echo Cancellation | ||
| Voice Activation Detection | ||
| Comfort Noise Generator | ||
| Video | Sensor | 1/2.7”, CMOS |
| Pixels | CIF, QCIF, VGA, 4CIF, 720p, 1080p | |
| Video codec | H.264 | |
| Video resolution | up to 1920x1080p | |
| Max. image transfer rate | 1080p – 25fps | |
| Viewing angle | 110°(H) / 58°(V) | |
| High intensity IR LEDs for picture lighting during dark hours with internal light sensor | ||
| Compatible to 3rd-Party-Video components, e.g. NVRs | ||
| Door Entry Feature | Relays controlled individually by DTMF tones | |
| Camera permanently operational | ||
| Auto-night mode with LED illumination | ||
| White balance | auto | |
| Minimum illumination | 0.1LUX | |
| Networking & Protocol | Protocols support | IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTSP, RTP, TCP, UDP, ICMP, DHCP, ARP |
| Deployment & Maintenance | Auto-Provisioning | |
| Web management portal | ||
| Web-based packet dump | ||
| Configuration backup / restore | ||
| Entry log export | ||
| Access table export / import | ||
| Firmware upgrade | ||
| System logs (include door access logs) | ||
| Application Scenarios | Office door phone with on-site or hosted IP-PBX | |
| Remote site entry over Internet | ||
| Apartment/flat intercom with door access control | ||