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Connectivity

Satellite Broadband Connectivity (VSAT)

A Very Small Aperture Terminal (VSAT), is a two-way satellite ground station with 0.9mtr to 3.8mtr dish antenna. Data rates typically range from 128 Kbps to 1 Mbps. VSATs access satellites in geosynchronous orbit to relay data from small remote earth stations (terminals) to other terminals (in mesh configurations) or master earth station "hubs" (in star configurations).

Advances in technology have dramatically improved the price/performance equation of FSS (Fixed Service Satellite) over the past five years. New VSAT systems are coming online using new satellites that promise higher bandwidth rates for lower costs.

Ubiquitous availability- In contrast to frame, DSL and other terrestrial connectivity technologies, Satellite broadband connectivity provided anywhere it is required.

Network reliability- VSAT satellite network provides unmatched reliability, with far fewer potential points of failure than terrestrial solutions and built-in redundancy at every level to limit service interruptions when problems do occur.

One point of Contact for all Network Issues- A single, nationwide point of contact for all network service questions. No matter where a problem occurs, or which portion of the network is affected, can diagnose and fix the problem in a timely manner with no involvement from third-party vendors or local telephone providers.

Uniform nationwide service levels- VSAT satellite technology provides a single, uniform network infrastructure across your entire enterprise, ensuring that each of your business locations operates with the same technology and receives the same high level of service and support.

Timely deployment and installation- Because deployment of a VSAT network is completely independent of terrestrial infrastructure, networks can be rolled out to hundreds or thousands of locations in a fraction of the time it would take to roll out a comparable terrestrial network.

Superior Economics- VSAT networks are much less costly to deploy, maintain and operate than Frame Relay and other terrestrial network technologies, and providers pass this cost savings on to their customers.

Multicast content distribution capability- VSAT satellite technology is the only cost-effective choice for businesses that need to deliver large amounts of data, video or audio to a large number of physically dispersed locations. Site relocation and addition- Relocating and adding network sites is significantly less complicated and less expensive with a VSAT network than with most terrestrial technologies.

Network capacity expansion- VSAT satellite technology provides a uniquely convenient environment for accommodating network and bandwidth expansion.



Leased Line

Leased lines are used by businesses to connect geographically distant offices. Unlike dial-up connections, a leased line is always active. The fee for the connection is a fixed monthly rate. The primary factors affecting the monthly fee are distance between end points and the speed of the circuit. Because the connection doesn't carry anybody else's communications, the carrier can assure a given level of quality.

An internet leased line is a premium internet connectivity product, delivered over fiber normally, which is dedicated and provides uncontended, symmetrical speeds, Full Duplex. It is also known as an ethernet leased line, DIA line, data circuit or private circuit.

Leased lines are available at speeds of 64 kbit/s, 128 kbit/s, 256 kbit/s, 512 kbit/s, 1 Mbit/s, 2 Mbit/s, 4 Mbit/s, 8 Mbit/s, 16 Mbit/s T1(1.544 Mbit/s) or E1(2.048 Mbit/s). Customers are connected through OFC, Customers would have to manage their own network termination equipment, namely the Channel service unit and Data service unit

T-1 - A leased-line connection capable of transferring data at 1,544,000 bps. At maximum capacity, a T-1 line could move a megabyte in less than 10 seconds.

T-3 - A leased-line connection capable of transferring data at 44,736,000 bps. This is fast enough to view full-screen, full-motion video, which requires a transfer rate of at least 10,000,000 bits-per-second.

Leased lines are Distance dependent to nearest POP, and are more expensive than alternative connectivity services including (ADSL, SDSL, etc.) because they are reserved exclusively to the leaseholder.



VPN Connectivity on RF

RF is commonly used in the wireless communications industry to describe equipment using radio frequency waves to transmit sounds and data from one point to another. In computer networking, RF is used to describe network devices (hubs, bridges, etc.) that transmit data signals using radio waves instead of data cables or telephone lines.

  • Comprehensive end-to-end solutions
  • Support of Layer 2 and Layer 3 connectivity
  • Multiple protocol and interface support
  • End-to-end managed services
  • End-to-end service level agreement
  • Plug and play implementation
  • Low maintenance and ongoing manageability
  • Better security with no routing disclosures to service providers
Line-of-site when speaking of RF means more than just being able to see the receiving antenna from the transmitting antenna. In, order to have true line-of-site no objects (including trees, houses or the ground) can be in the Fresnel zone. The Fresnel zone is the area around the visual line-of-sight that radio waves spread out into after they leave the antenna. This area must be clear or else signal strength will weaken.



Wi – Fi

It is a wireless standard for connecting electronic devices. A Wi-Fi enabled device such as a personal computer, video game console, smart phone, and digital audio player can connect to the Internet when within range of a wireless network connected to the Internet. A single access point (or hotspot) has a range of about 20 meters indoors. Wi-Fi has a greater range outdoors and multiple overlapping access points can cover large areas.

The name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. The Wi-Fi Alliance, the organization that owns the Wi-Fi (registered trademark) term specifically defines Wi-Fi as any "wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards."



Digital Subscriber Line (DSL)

Digital Subscriber Line (DSL) is a family of technologies that provides digital data transmission over the wires of a local telephone network. DSL originally stood for digital subscriber loop. In telecommunications marketing, the term Digital Subscriber Line is widely understood to mean Asymmetric Digital Subscriber Line (ADSL), the most commonly installed technical variety of DSL. DSL service is delivered simultaneously with regular telephone on the same telephone line.

The data throughput of consumer DSL services typically ranges from 256 Kb/s to 40 Mbit/s in the direction to the customer (downstream), depending on DSL technology, line conditions, and service-level implementation. In ADSL, the data throughput in the upstream direction, (i.e. in the direction to the service provider) is lower, hence the designation of asymmetric service. In Symmetric Digital Subscriber Line (SDSL) service, the downstream and upstream data rates are equal.

DSL efficiency is related to distance. The farther you are away from the provider, the more unreliable the service becomes.

DSL is limited to a certain perimeter. People very far away from the provider may not be able to get the service. Service may be constrained to about 18,000 feet radius of the provider. Thus, availability is determined by distance from the providing source.

There is no standardization. Each company comes with its own equipment. So if you leave one city to go to the other, you may have to purchase a new set of equipment from the new company.