Home > Products >  Emergency Telephone SUS Series  >  
Kntech Camera Emergence Telephone
Kntech Camera Emergence Telephone
Product model:Kntech KNZD-20

Help Point KNZD-20
  • Features
  • Specification
  • Accessories
  • Application
  • Detailed picture
Main Features:
It applied SHARP,CMOS camera. Matching with most PABX, PBX and PAX systems,eg:NEC,LG,AVAYA ZTE,TADIRAN.
1.  Main body with whole stainless steel body, solid and temperature bearable
2.  Handset free, loudspeaker,
3.  Resume lightning proof protection automatically standard to ITU-T K21
4.  Waterproof grade is IP65(can improve to IP67)
5.  The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric , then has the effect of electromagnetism shield.
6.  Support hotline call, can realize ring off automatically if the other side close.
7.  Totally adopt SMTC craftwork keep very good quality.
8.  The design is super thin and smart. Embed style and hanging style can be chosen. 
9.  Every call is limited(set by five minutes), auto ring off if time exceeded. (Optional)
10.The telephone has passed the certificate of ISO9000(2000)

As Public telephone for indoor or outdoor, elevator phone, Taxi or bus stands or station, Highway call box. Railway, metro, ATM machines side,  Tunnel, Port, Dock, Mines, Generation facilities….
A good ideal telephone for use in wet or corrosive atmospheres
Main technical indexes:
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~ +60 degreeRelative humidity: 10%~95%Atmospheric pressure: 86~106Kpa Circumstance noise: less than 60dB(A)
3. Sound level of ringing: over 70dB(A).
4. Standard frequency: low frequency group: 697. 770. 852. 941Hz,
high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%~+1.5%
If service line is a 3Km signal-level:
Standard frequency: low frequency group: -12dB~-6dB, high frequency group: -10dB~-4dB, level difference between low and high frequency of compound signal: 1dB~3dB, the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.
5. Call transmission index: (5KM)SLR<12, RLR<-1, STMR>10, output impedance is 600 Ohm.
6. Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
Pickup device
1/3 OV7949 CMOS
Effective Pixels
268(H) x586(V)x / 510(H) x 496(V)
Sensing Area
5.961mm x 4.276mm
Scanning System
2:1 Interlaced Scanning
Sync System
Internal Synchronization
420TV lines
Horizontal Sync Frequency
15.625KHz / 15.734KHz
Vertical Sync Frequency
50Hz /60Hz
Minimum Illumination
0Lux/F2.0 with IR
Video Output
1.0vp-p, 75Ω
Gamma Coefficient
Sound / Noise Ratio
White Balance
Electronic Shutter

1/50-1/80000(s) / 1/60-1/80000(s)

Backlight Compensation
80mA ± 10%
DC 12V±10%
Operating Temperature
-20°C~50°C, RH95% MAX
Storage Temperature
-30°C~60°C, RH95% MAX
3.6mm F = 2.0
Camera Angle
25 g
Packaging specifications
Machine size:320 *205 *80( mm )     
Carton size:340 *235 *165( mm )
Packaging material: pearl cotton, carton
Gross weight:3.3KG
Net weight:2.6KG





Autodial telephone, handset emergency telephone, handfree emergency telephone, handset free emergency telephone, Auto dial emergency phone, Metal emergncy telephone, sos telephone, help telephone, GSM telephone, help point, help phone, outdoor emergency telephone, Gaitronics, emergency call point, metal help telephone, camera phone, public telephone, loud speaking phone, bank service telephone, elevator phone, window intercome, LCD telephone, hotline phone, talk a phone, cleanroom telephone, weatherproof phone, SIP phone, voip phone, call point outdoor weatherproof phone, solar energy help phone, tunnel telephone, 2G, 3G telephone, track-side telephone, Vandal Resistant Telephone, sip phone, tunnel phone, metro phone, highway phone, sos phones, sip phones, weather proof telephones, emergency telephones, industrial telephones, VoIP phones, bank telephones, sip telephones,intercom.