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Access Control

Access Control


Access control is a kind of personnel in and out of the intelligent management system. Entrance guard control system, the use of RFID identification technology, only need a RFID card collection information in advance, it's easier to access.

access control

KNZD-51 Access Control

      We specializing in the production and sales of Waterproof video doorphone entry calling system support RFID and password for school or prison .

      KNZD-51 IP voice access telephone using advanced technology and the security and stability of Broadcom master chip, greatly improve the system's stability and durability while SIP2.0 standards-based protocol that can be perfectly compatible with all current mainstream SIP-based IP PBX / softswitch, IMS platforms such as Asterisk, Broadsoft, 3CX, Elastix, etc. for users to quickly deploy equipment more convenient.

      KNZD-51 pan with a high-strength cold-rolled steel, with high-quality aluminum shell, impact resistant up to IK10 standard. Its product features and production process materials are inherited KOONTECH special industrial telephones high quality, high demand and so on. Product modeling beautiful, stylish, elegant, functional and practical, reliable, easy installation, comfortable buttons and low power consumption. Popular with customers welcome, is widely used in apartments, hospitals, schools, subways and other places.

      1.Built-in dynamic noise reduction, to achieve high-quality voice communications
      2.With light on Metal Keyboard
      3. Support two SIP account
      4. High-strength cold-rolled steel housing and high-quality aluminum shell, impact resistant up to IK10 standard
      5. Support RFID, remote and password door open
      6. Access control, intercom and IP broadcast triple feature integration
      7. Support SIP2.0, support SIP2.0(RFC3261) and related RFC protocol
      8. Using Web online configuration, easy to manage
      9. Support safe mode, and can be upgrade the software.


     1. Robust aluminum alloy die-cast body stainless steel faceplate. 
     2. Waterproof rating IP55, dust-proof. 
     3. Support RFID, remote and password door open. 
     4. With light on metal Keyboard. 
     5. Lightening protection to ITU-T recommendation K.21. 
     6. POE, power supply DC12V. 
     7. Temperature range from -40 degree to +70 degree. 
     8. Support standard Session Initiation Protocol(SIP), RFC 3261. 
     9. Calling indoor extension for two-way conversation. 
     10. Support echo cancellation. 
     11. Remote software upgrade, configuration and monitoring. 
     12. Built-in dynamic noise reduction, to achieve high-quality voice communications. 
     13. Optional 7 minutes time out to release the line if the other hand hang up.This function is upon buyer’s requirement). 
     14. The housing covered with a layer of reflective label for easy identification at night. Optional 
     15. Application: Tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge etc.

access control

    RCM: AS/NZS CISPR 32        Australian communications: AS/CA S004 
    Australian Equipment-safety: AS/NZS 60950.1:2015 
    EMC: EN50121(Railway application-Electromagnetic Compatibility)
access control
Unit size: 235*131*78.7mm        Unit N.W:2.0KG 
1pc packing box size: 330*180*110mm     Unit N.W:2.0KG Unit G.W:2.6KG 
2pcs in 1 outer Carton box: size: 350*240*190mm    N.W:5.2KG G.W:4.72KG

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==>>>> Product Specification


VoIP SIP2.0 telephone        DTMF dialing                               Audio Codes: G.711, G.722, G.729
MTBF:100000hours            MTTR: 2 hours                             Network:10/100 BaseTX Ethernet, RJ45
Free dial(maximum length of each number is 16 digits)          connectors, Cat5e or better
Communication: Full duplex 2-way hands-free                        IP Protocols: IPv4, TCP, UDP, TFTP, RTP, RTCP
communication                                                                         DHCP, SIP
Call Control Signaling: VOIP SIP Info(DTMF), RFC                 LAN Protocols: Power over Ethernet(PoE,802.3af),
2833(DTMF)                                                                             WLAN(IEEE 802.3af), Network Access
Power: Power over Ethernet, IEEE802.3af, Class 0                Control(IEEE 802.1x), STP(IEEE 802.1d),
Local power, 12VDC,Idle 2W, Max 10W                                  RSTP(IEEE 802.1d-2004)
Auxiliary Contacts:1 Aux Output, dry contact                           Programming: Non-volatile flash memory
Contact Ratings. Load: Resistive load                                     programming and configuration through Web GUI
Rated load: 0.3 A at 125 VAC; 1 A at 30 VDC                         Management and Operation: DHCP and static IP,
Rated carry current:1A                                                             remote automatic software upgrade, centralized
Max.switching voltage: 125 VAC, 60VDC                                monitoring, status LED
Max.switching current:1A                                                         Echo cancellation code:G.167/G.168

      Button: 12 full keypad with light and one handset free button or speed dial button
      RJ45 network port x2: network x1 (Support 802.3af Class 1 POE)
      PoE: 802.3af (Class 0 - 12.95W) 48V/380mA(Not a standard design)
      Master chip: Broadcom
      Audio Amplifiers: 2.5W
      Powered: 12V+-15%/1A DC or POE
      Material: Aluminium alloy&Aluminum Extrusion
      Weatherproof degree: IP55
      Humidity: 10%-95%
      Temperature: -40~70℃
      Product Size: 230*126*76.5 mm
      N. W: 2.0kg

==>>>>Telephone System

access control system

==>>>>Product Application

access control

access control

access control

==>>>>Product Detailed Pictures

KNZD-51 Access cardaccess control
access control

==>>>>Product Video

==>>>>Please Email US marketing@koontech.com

This product model:KNZD-51