EZLoop® Systems and Solutions - Easy and Versatile


Easy to implement and have been deployed in cities, schools, oil-fields, mines, banks,
surveillance posts, river monitors, etc. all over the world.


EZLoop® Networks

From a traditional telco systems point of view, owners/operators interested in upgrading and
expanding their systems face several challenges:

Extensive technological expertise and the necessary infrastructure are required for conventional architecture.

Wireline T-1 costs are prohibitive to all but the highest-end customer, and the installation time required
for wireline T-1 cable is lengthy.

Fiber-optic cable is extremely expensive to deploy, especially over the "last mile" to the customer’s site
location. Single users rarely are able to justify such a cost.

The distance from the customer’s site to the telephone company’s central office limits the use of DSL.
Typically, the end-user must be within 5 kilometers of the central office.

Cable TV systems are also short-range systems, limiting their deployment. Several users simultaneously
accessing the same cable system limits the bandwidth available to each user.

Satellite systems are hampered by problems with latency, line-of-sight access, backhaul availability
and real estate logistics.

As a solution to the above challenges, particularly last-mile connectivity, which is invariably the toughest hurdle to negotiate,
Teletronics offers its EZLoop® system in various configurations. EZLoop® wireless systems and solutions provide many of
the telecommunication applications in an architecture that resolves such ongoing and pressing issues in the ever-changing
world of business as cost, connectivity, scalability and versatility.

EZLoop Systems Chart

Teletronics' EZLoop® Wireless
Systems and Solutions Examples:


EZLoop® Network Versatility (Click on the diagram to enlarge)

The following diagram illustrates the versatility of Teletronics' applications, systems and solutions. Easy to implement,
EZLoop® systems have been deployed in cities, oil-fields, mines, schools banks, surveillance posts, along riverbanks,
and at other locations around the world.

Teletronics’ work tasks to commission a network include:

Performing a customer needs assessment, fully matching system specifications to desired commercial performance.

Performing the necessary propagation analysis and conducting a site survey.

Designing a wireless broadband network that both complements the customer's near-term operations and is
scalable to the customer’s long-term growth expectations.

Installing, integrating, testing, calibrating, and optimizing the system.

Providing training courses for operation and maintenance; and carrying out system maintenance and support services.

Providing warranties; repairing or replacing defective warranted equipment; and offering dial-up network management and performance assistance.

EZLoop® System High Level Design
(Click on the diagram to enlarge)

The diagram below is a typical, high-level graphic illustration that Teletronics' engineers/architects often provide to its new
customers after their initial inquiry. The first inquiry itself can be a simple telephone call, followed by a few email exchanges
to clarify general environment details, user requirements, telco trunk-line availability, subscriber distributions, and other such
matters. Teletronics would then prepare the illustrative design along with a ball-park cost estimate. Subsequent on-site survey,
detail design, feature/function specification, pricing and implementation scheduling would all follow in turn. At Teletronics, we understand that finance and operational management are major concerns for every broadband project, and will work with you
in developing a network to suit your needs. We like to think of Teletronics as a strategic partner of our customers in their wireless broadband projects.

Teletronics' systems can be implemented at 900MHz, 2.4GHz, 5.8GHz or even at 4.9GHz (Public Safety Band) for voice,
data, and video under network configurations for various applications. For a commercial project, the entire network can have
system-wide billing and bandwidth control routers as well as local (subscriber-end) access routers which effectively isolate
and maximize local traffic. The entire system would be designed for security: at the physical layer, there would be WPA2 for
AES encryption and 802.1x for authentication; and at layer 2, Mac filtering and Intra BSS security features would be provided.

By replacing different types of transceivers and matching software, Teletronics' EZLoop® system can be either a WiMax
System, a low-cost EZWiMax system, or a low-cost broadband alternative system. The alternative system uses Turbo
Channels with pooling or conventional 802.11 protocols. All systems may include Teletronics' QoS technology which can
meet today's multimedia data requirements applicable for online interactive, gaming, IPTV, and peer-to-peer file sharing.

Representative Client List and Examples

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Over 100 WISPs in the USA, including SpeedNet, one of the largest in the country which offers high-speed
internet and related services to 145,000 subscribers in Illinois, Indiana, Iowa, Kansas, Nebraska, Ohio, Oklahoma,
South Dakota and Texas.

US Defense and governmental agencies who have designated Teletronics as their specialist for designing
and manufacturing high-end converters for long-distance data transmission at proprietary frequencies.

Native American Reservations and rural communities with whom Teletronics has contracts to design and
implement entire wireless networks carrying IP-based voice, data, and video.

Numerous point-to-point long-distance low-cost-high-speed microwave links, including a 20-mile long IP
protocol-based link to support 24mb throughput data in Nigeria and a 55-mile long link to maintain 12mb in
the USA for Johns Hopkins University.

Telco institutions in foreign countries, such as ENTEL in Santa Cruz, Bolivia, a city of over 1 million people, to whom Teletronics supplies broadband equipment for distributing wireless internet access to thousands of subscribers.

School Districts, such as the wireless distance learning network involving over 60 schools covering an area of over
300 square kilometers near Nanjing, China.

Environmental data networks, such as Sonora, Mexico’s Red Inalambinca wireless broadband network in the
district of Riego Del Rio Yaqui, which uses Teletronics equipment exclusively to connect 300 environmental
monitoring posts and several local 2.4GHz hotspots to 10 links at 5.8GHz providing 54Mb of outdoor transmission.

Commercial Chain Stores, such as the WiFi network of 355 McDonalds® Fast Food Stores covering the entire
island of Taiwan.

Hotels and Resorts, such as the Coronado Golf Resort Hotel and Caesar's Park Hotel® in Panama, and Marriott's Residence Inn® in Philadelphia where Teletronics provides total systems including gateways and billing systems
to local operators for profit-making ventures.

China Example: Wi-Fi System Locations Coverage

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Standard City Tower Setup 2

Installation at Gu Shu

Bolivia Examples: Entel S.A. Wi-Fi System Cities

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Santa Cruz:
Population: 1.2MM Citizens
Coverage: 60 Km(2)
Build Time: 6 months (Towers)/ 3 Years (Clients)
23 Wi-Fi Towers with 3 Base Stations each
Wi-Fi Subscribers/Clients Stations: 4,140

Population: 835K Citizens
Coverage: 120 Km(2)
Build Time: 5 months (Towers)/ 2 Years (Clients)
16 Wi-Fi Towers with 3 Base Stations each
Wi-Fi Subscribers/Client Stations: 2,140

La Paz:
Population: 850K Citizens
Coverage: 120 Km(2)
Build Time: 6months (Towers)/ 3 Years (Clients)
25 Wi-Fi Towers with 3 Base Stations each
Wi-Fi Subscribers/Client Stations: 4,140

Standard City Tower Setup 1


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*Specifications are subject to change without prior notice