The E21A is a SIP emergency intercom without a camera. It is typically used in public space like parking lots and subways.

SKU: SI-012 Category:


    • At a Glance

      Vandal resistant body, with a panic button;
      Wide-angle camera: 116° (H), 60° (V);
      PoE (IEEE802.3af, Power-over-Ethernet);
      Two-way audio communication over IP networks with Echo Cancel feature;
      Complies with SIP standard for easy integration in every SIP capable PBXes;
      Complies with ONVIF standard for easy integration with any network surveillance system;
    • Physical & Power

      Front panel: 316 grade stainless steel
      Camera: 2M pixels, automatic lighting
      Button: 1 panic button
      Reset: 1 reset button (on board)
      Light sensor: Support
      Infrared sensor: Support
      Relays out: 2
      Inputs: 2
      Microphone: -40dB
      Speaker: 8Ω / 1.5W
      Ethernet port: RJ45, 10/100Mbps adaptive
      802.3af Power-over-Ethernet
      12 ~ 48V DC input (if not using PoE)
      Water-proof & Dust-proof: IP65
      Installation: Flush-mounted
      Flush-mounted DIM: 210x120x61mm
      Working Humidity: 10~90%
      Working Temperature: -20°C ~ +55°C
      Storage Temperature: -40°C ~ +70°C
    • Audio

      SIP v1 (RFC2543), SIP v2 (RFC3261)
      Narrowband audio codec: G.711a, G.711μ, G.729
      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
      Video codec: H.264, H.265
      Video resolution: up to 1920x1080p
      Max. image transfer rate: 1080p – 30fps
      Viewing angle: 116°(H) / 60°(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

      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)
    • Target Groups

      Education: universities, campuses, schools
      Logistics & Transportation: airports, parking lots
      Healthcare: hospitals, laboratories

Additional Information




There are no reviews yet.

Be the first to review “E21A”

Your email address will not be published.

You may also like…