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Significant growth for telecommunications in Africa |Engineering News | Derek Friend

“Over the last 20 years, South Africa has achieved better telecommunications connections, and better communications solutions with more cost-effective capacity, owing to innovation, collaboration and the pooling of ideas among key players, people and companies needing to connect in better ways”

 Says information and communications technology company Huawei Enterprise Eastern and Southern Africa director Derek Friend.

“Huawei is playing a significant role in South Africa by providing cost-effective hardware that supports global interconnections and state-of-the-art technology, decreasing latency and driving information across global connections,” notes Friend.

This infrastructure connects the continents, carrying all the countries’ voice, video and other data – basically South Africa’s entire telecommunications infrastructure,” he adds.

Currently, Africa has world-class infra-structures that enable high-speed connections, such as hardware that supports the new West Africa cable system (WACS) and Seacom cable systems capable of carrying high-definition digital voice and video and is one step closer to bridging the digital divide to a central distribution system. The infrastructure shares knowledge and innovative ideas with the rest of the world and provides a better infrastructure for major important verticals, such as education, hospitality, medical and media, highlights Friend.

“Despite the dynamic telecommunications market in Africa still being in its early stages of development, it is also one of the fastest-growing markets in the world, owing to progressive technological advancements in big data requirements,” he adds. In the early 2000s, mobile telephony in Africa was only starting to develop, while it was competing with fixed-line telephony.

“Pioneering telecommunication and information and communications technology companies in Africa were aiming to connect across any medium that could make the high-priced connections available to anyone at affordable rates,” he says.

Further, Friend highlights that Internet backbones and core infrastructures are still being developed. Hardware that connects Ka-band satellites for mobility networks is a relatively new concept, as the spectrum has not been widely adopted by satellite operators, owing to its susceptibility to interference from the weather conditions.

“Connecting Africa to the rest of the world is Huawei’s key driving factor. For example, work was completed on the WACS only two years ago and currently connects a 14 000 km cable, linking South Africa to Europe and to the rest of the world. Its 15 terminal stations, running up the west coast of Africa, provide additional bandwidth for several countries. The WACS has become the first direct connection to the undersea cable network for Namibia, the Democratic Republic of Congo, the Central African Republic and Togo.” says Friend.

According to the WACS website, the project is a consortium of 11 leading international telecom carriers. The new WACS has increased South Africa’s bandwidth by an estimated 23%, which will .result in increased video content, which is projected to increase 262% by 2017, he adds.

Product Name:
Koontech Camera Emergence Telephone
Product model:
Koontech KNZD-20
Main Features:
Matching with most PABX, PBX and PAX systems.
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




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