Gold Member Since 2015
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Hongkong Koon Technology Ltd.

SIP Wiegand, Wiegand Interface RS485, RS485 Connect Bosch manufacturer / supplier in China, offering SIP Door Phone Wiegand Interface RS485 Connect Bosch Knzd-51 Kntech, Maritime Emergency Telephone Waterproof SIP Telephone with Loudspeaker Knsp-18, Wallin Mounted Lift Dailer Intercom with Keypad Supports GSM with Backup Battery and so on.

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Supplier Homepage Product Door phone SIP Door Phone Wiegand Interface RS485 Connect Bosch Knzd-51 Kntech

SIP Door Phone Wiegand Interface RS485 Connect Bosch Knzd-51 Kntech

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shenzhen, China
Production Capacity: 2000sets/Day
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: KNZD-51
  • Type: IP Door Phone
  • Voice Service: With Voice Service
  • Certification: RoHS, CCC, FCC, CE
  • Model: Factory Door Phone Knzd-42
  • Material: Stainless Steel
  • Handset Free: Yes
  • Wiegand Interface: Support
  • Lightening Protection: Yes
  • Transport Package: 230 *170 *80( mm )
  • Origin: Guangdong, China (Mainland)
  • Night Vision: Without Night Vision
  • Color: Stainless
  • Installation: Wall-Mounted
  • Brand: Koon
  • Size: 210*150 *60mm
  • RS485: Connect Bosch
  • Tamper-Resistant: Yes
  • Video: Colorful Display
  • Trademark: Koon/ OEM
  • Specification: 210*150 *60( mm )
  • HS Code: 8543709990
Product Description
SIP door phone Wiegand interface RS485 connect Bosch KNZD-51 Kntech
KNZD-51 VoIP doorphone SIP doorphone intercom feature :
1. Support SIP2.0, support SIP2.0(RFC3261) and related RFC protocol.
2. RFID, remote and password door open.
3.Temperature: -40~70 degree.
4. IP Door phone With light on Metal Keyboard.
5. Steady quality & Competitive price.
6. Option support Wiegand interface RS485/RS232 connect Bosch. 
KNZD-51 VoIP doorphone SIP doorphone intercom applications:
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.

KNZD-51 VoIP doorphone SIP doorphone intercom door phone parameter:
PoE802.3af (Class 0 - 12.95W) 48V/380mA(Not a standard design Audio Amplifiers: 2.5W)
Waterproof gradeIP65
Power supply12V+-15%/1A DC or PoE
Size230*126*76.5 mm

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.

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: -40~70ºC
Product Size: 230*126*76.5 mm
N. W: 2.0kg

Why Choose Us ?

HongKong Koon Technology Ltd is the most professional manufacturer in Asia, The exclusive supplier for all Metro project in China.

We are the leading professional manufacture of most complete production line of IP66/IP67 emergency telephone, SOS phone, Weatherproof telephone, elevator telephone, tunnel trackside telephone, highway emergency phone.They are IP or PSTN/analogue telephone and wireless GSM 2G 3G. phone line powered, solar powered, or AC powered.

More than 100 models, different colors, different type of mounting, CE, FCC, IP66, ITU-T, ISO9001, EN50121 approvaled. ATEX DNV certificate under process.

Emergency telephone waterproof video doorphone IP application:
Indoor: Airprot, transtation, bank,koisk, elevator, university, hotel, hospital, plant, oil and gas.
Outdoor: tunnel, highway, marine, outdoor station, construction, bridge, steel, mine, army, scenic region, 

Successful project in recent:HK MTRC contract XRL851, LRT Project in Malaysia, Bangalore Metro, HONGKONG KAIDA tunnel,HK MTR,Italian Metro,BKK Red Line Thaliand,

IKITELLI metro project, Mumbai metro in Indea, NSR project in Saudi,BHP Billiton australia, CSN Brazil, Chalco China, story bridge Austrialia,HSBC bank, China bank, ICBC, HK airport, Frankfurt France, BeiJin airport, Beijin University, HK university, etc.
About  VoIP doorphone KNZD-51 SIP doorphone intercom door phone market:
Our Emergency telephone waterproof telephone intercom system are widely accepted in countries in North America such as USA, Canada, in European countries such as UK, Germany, France, Netherlands, Greece, Sweden, Ireland, Swiss, Austria, Luxembourg, Belgium, Italy, Spain etc. and Russia.


Q: What's the MTBF of VoIP doorphone KNZD-51 SIP doorphone intercom door phone ?
A: 5-70000 hours.

Q: What's the advantages of VoIP doorphone KNZD-51 compared with others?

A: Most of our products have already passed International Standard such as IECEX,IP65,IP66,FCC,CCC,ISO9000,EMC,ROHS,SGS etc We have enough stocks,shortest lead time,3 to 7 days delivery time.
Preferential price,If you tell us the name of the project and send back the photos of the phone after installation,we will offer more discount.

Q: How long is the warranty period?
A: 18 Months of VoIP doorphone KNZD-51 SIP doorphone intercom door phone.

Q: Can I customize the VoIP doorphone KNZD-51?
A: Yes,we accept OEM\ODM,please provide your detailed requirements.

Thanks for visiting our website, if you have any interest for VoIP doorphone KNZD-51 SIP doorphone intercom door phone , welcome to contact us freely.
We'll supply more details information for what you need, and provide our best price and best service!
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