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Kntech Door phone
Kntech Door phone
Product model:Kntech KNZD-43
material:SUS 304

  • Features
  • Specification
  • Accessories
  • Application
  • Detailed picture

The IP Intercom/door phone will be designed to work on apartment, hospital, school, metro…Housed
in robust metal body, vandal resistant and tamper-resistant. FDSP ensure voice loud and clear. Good
looking, durable, easy to install, comfortable buttons, and low power consumption.

Support G.711,G.729, etc. Codec voice intercom

Support SIP 2.0(RFC3261) and related RFC protocol

Unlock function (swipe or communication) 
Visitor leave message

Software upgrading on line
or status
Basic Function
WEB remote management of Terminal malfunction
Calling indoor extension for two-way conversation
Support SIP 2.0(RFC3261) and related RFC protocol


 Communication protocol  SIP 2.0(RFC-3261)
 Master Chip  Broadcom 1190
 Keys  Design  Stainless steel
 Direct-button  1
 Numeric Keypad  Optional
 Voice  Microphone 1
 Amplifier  0.5W-10W
 Speaker   2W
 Volume Control  Adjustable
 FDSP Support(AEC)
 Voice stream  Supportable Protocol  RTP/RTSP
 CODEC  G.711, G.729
 Port  Power Supply  12V+-15%/1A DC or PoE
 PoE  PoE 802.3af (Class 0 - 12.95W) 48V/380mA
 LAN  10/100BASE-TX s Auto-MDIX, RJ-45)
 Cables  HSYV or better
 Passive Switch  Normally Open and Normally Closed highest at 30V/1A AC/DC
 Active Switched Output  12V/500mA DC
 Rs232  Supported


Card Reader

 Interface  Power supply  12V+-15%/1A DC or PoE
 PoE  PoE 802.3af(Class 0-12.95W)
 LAN  10/100BASE-TX s Auto-MDIX,RJ-45
 Recommended cabling  Cat-5e or higher
 Passiveswetch  NO and NC contacts,up to 30V/1A AC/DC
 Actice switch output  12V/700mA DC
 Structure  Shell Material  Cold Rolled Steel
 Operating Temperature   -40 C to55 C
 Working Condition
Relative Humidity
 Storage Temperature  -40 C to70 C
 Installation  Embedded installation (pre-burying)
 Size  159*130*40mm






















Web Business Management
It is mainly used for remote management KNZD-45 voice access device, which includes such features
as the device parameter management, access control parameter settings, card, log management.
Access Control
Access control is consist of KNZD-45 voice access control, exclusive DC power supply and electric
lock . Inside of KNZD-45 , self-powered electric lock can directly drive the starting current of 500mA power locks; additionally you can also access exclusive external DC power supply and the voice
access output control signals , to drive electric lock on and off by access exclusive DC power.
Intercom function
KNZD-45 voice intercom system consists of KNZD-45- access control, SIP phones, phones
installed SIP soft-terminal, IPPBX . KNZD-45 Voice Access supports standard SIP protocol, and has good system compatibility with main
IPPBX in the market


IP door phone
intercoms for every situation-whether in security,
business,emergency,or any other special area.
From providing simple applications requiring a
clear and easy connection to a single IP telephone,
to comprehensive communication arrangemens
integrated into security and signalling system and
IP PBXs.Having the highest quality and certification,
ensures compatibility with industry-standard-based
IP network solutions such Avaya,Cisco,and others.

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