What Is a Very Small Aperture Terminal (VSAT)?


Triston Martin

Feb 07, 2024

Data from satellites can be transmitted and received at the very small interval terminal (VSAT), a two-way ground station. A VSAT is a small, low-altitude terminal capable of transmitting real-time data to orbiting satellites in narrowband and wideband formats. After that, the data can be sent to additional remote locations or hubs.

How does a Very Small Aperture Terminal (VSAT) Work?

One of the most important commercial uses of VSATs is enterprise resource planning (ERP). One of the numerous retail breakthroughs Walmart pioneered was using VSAT to monitor inventory in real-time, allowing the company to manage its massive inventory better and cut delivery costs.

When used in conjunction with a hub system for storing inventory, VSAT helped Walmart stock its stores more accurately and reduced the number of times a product was moved between locations before it was sold. Others utilize VSAT to transmit orders, monitor manufacturing in real-time and do other tasks typically performed by a wired network. VSAT manufacturers.

As one of its connectivity choices, the NSE (National Stock Exchange of India) uses one of the world's largest VSAT networks. When wired choices were scarce, the NSE was able to give connectivity via VSAT technology. Only a few sun outages due to satellite signal distortion caused by solar radiation can be blamed on the VSAT network.

The Pros And Cons Of Of A Very Small Aperture Terminal (VSAT)

A significant advantage of VSAT networks is their ease of deployment. Remote places can be served with less infrastructure because the ground station communicates with satellites. VSAT was a good fit for Walmart because it first focused on rural America, where the telecommunications network was less concentrated than in urban areas.

Thus, VSAT networks have become an excellent option for regularly connecting remote work sites, such as exploratory drilling sites, to the corporate headquarters. VSAT is an ideal technology to back up wired systems to reduce business recovery risk because it is independent of local telecommunications networks. The VSAT network can be used even if the wired network fails.

VSAT, on the other hand, has some limitations. Because one element of the system is in geosynchronous orbit above Earth, it takes time for data to arrive at the dish and station from that location.

Furthermore, protocols that necessitate more than one-way data transmission are more likely to face a delay. The climate and other structures getting in the way can also impair the signal quality.

Applications And Sectors Of VSAT Satellite Technology

For enterprises that need an autonomous communication network while simultaneously connecting many geographically distant sites, VSAT technology is a cost-effective option being adopted in a broader range of sectors and applications every year.

The VSAT network is used by enterprises in the stock market, long-distance education, and the delivery of financial research, among other things. On the other hand, the demand for receiving and sending data is much broader, with more than 20 applications on the market, including, for example, reservation systems, bank transactions in ATMs, medical data transfers, electronic bank transfers control of remote distribution processes, and telemetry.

Since underground locations are difficult to access and radio waves cannot penetrate obstacles and surfaces of mines, VSAT satellite technology is most commonly used in the mining sector to transmit data.

Using geostationary satellite links, Wi-Fi signals can be sent underground by putting VSAT very tiny opening terminals on the surface, which receive, through satellite, signals in the Ku and C bands, thereby giving connectivity throughout the mine as underground Wifi.

What Are The Benefits Of Using VSAT Satellite Antennas From AXESS?

VSAT satellite technology, for example, has a low cost per unit, 25,000 hours of service between failures, and provides assured bandwidth, independent service, and immediate global coverage with easy management and customization of the perfect system for business.

This means that when selecting a supplier for this type of satellite solution, it is essential to consider the company's ability to offer AXESS and quality infrastructure has more than 15 years of experience, with two Operations Centers, in Mexico and Colombia, which are carrier-class Data Centers, that is, interconnected to international operators, as well as more than 8 thousand SCPC (Single Carrier) and VSAT connections.

A variety of industries can benefit from those, as mentioned earlier, from point-of-sale data to the cellular backhaul over a large area with traffic levels of tens of megabytes or more. With VSAT satellite technology, installation and commissioning can be completed in as little as two days, depending on the client's needs and the product or service they provide.

VSAT In The Field Of Finance

High-frequency trading activity can benefit from using a Very Small Aperture Terminal (VSAT). A telecommunications ground station is used to transmit data via VSAT. It is employed in trading because it sends and redirects data effectively in real-time.

Satellites are used by VSATs, which are typically three meters tall, to receive and broadcast data. Broadband and narrow signals can be transmitted to satellites in orbit around the Earth.

1. Narrowband data

Data that includes information on the transactions made at the point of sale. Examples of such transactions include credit card transactions, supervisory control, polling, data collecting, and radio-frequency identification data.

2. Broadband data

This data is critical to providing a satellite internet connection to remote locations. Voice over Internet Protocol (VoIP) and video are two such examples.


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