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Video Intercom System

广东11选5爱彩通:Video Intercom System

model:KNZD-20W
size:
material:SUS201

Video Intercom System is a security system. Ip Audio-Video intercom implementation in multi-story or high-rise building, visitors, residents and property management center can talk to each other, communicate information and realize the management of community security access control systems, commonly known as building intercom system.Video Intercom is also often used in apartment
Content
  • Features
  • Specification
  • System
  • Application
  • Detailed picture
  • video

广东11选5综合走势图 www.5ftm.cn

Video Intercom System KNZD-20W

         Video intercom system is a modern buildings, use high and new technology now, the Internet of things technology, remote monitoring to open the door. The IP intercom integrates video voice, can communicate with the visitors indoors, face recognition. The intercom, security, stability, easy to use, very suitable for the apartment.

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)

Applications:
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
 
Specification:
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)


Model
GD-B261C
Pickup device
1/3 OV7949 CMOS
SYS
PAL/NTSC
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
Sharpness
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
0.45
AGC
Auto
Sound / Noise Ratio
>48dB
White Balance
Auto
Electronic Shutter

2
1/50-1/80000(s) / 1/60-1/80000(s)

Backlight Compensation
Auto
Current
80mA ± 10%
Voltage
DC 12V±10%
Operating Temperature
-20°C~50°C, RH95% MAX
Storage Temperature
-30°C~60°C, RH95% MAX
Lens
3.6mm F = 2.0
Camera Angle
90°
Weight
25 g
 





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