Definition of Carrier

In the context of technology, a carrier refers to a telecommunications company that provides services such as mobile phone, internet, or data communication to customers. These carriers own and maintain networks, and grant access to users either through subscriptions or contracts. Common carriers include Verizon, AT&T, T-Mobile, and others.


The phonetic transcription of the keyword “Carrier” in the International Phonetic Alphabet (IPA) is /ˈkæriər/.

Key Takeaways

  1. Carrier is a global provider of innovative HVAC, refrigeration, fire, and security solutions for diverse industries and applications.
  2. Founded in 1915, the company offers energy-efficient and environmentally-friendly products that improve indoor air quality and comfort.
  3. Through continuous research and development, Carrier is dedicated to enhancing sustainable practices and creating a better future for the planet and the people who inhabit it.

Importance of Carrier

The term “carrier” is important in technology because it refers to a telecommunications company or service provider responsible for transmitting data, voice, and video signals over networks.

Carriers can be local, regional, national, or international, and they play an essential role in the functioning of modern telecommunications systems, enabling the smooth flow of information and seamless connectivity we enjoy today.

Such companies own and maintain the physical components of the infrastructure such as cables, switches, and satellite systems necessary for data transmission.

As a result, the carriers form the backbone of global communication, provide widespread coverage, governance for data transfer standards, and ensure continuous network optimization.

Their services also enable access to various modern technologies, devices, and applications, driving the expansion of digital services and promoting economic development and social integration.


Carrier, in the realm of technology and telecommunications, plays a crucial role in the transmission and reception of signals, allowing the seamless flow of information over distances. The primary purpose of a carrier is to enable communication between devices by acting as a medium for conveying information. It can be observed in various forms, such as radio waves, optic signals, or electrical voltage.

Essentially, a carrier signal acquires and retains the data by modulating it with a specific form of wave, ensuring that the information gets delivered effectively and accurately across the intended receiving points. Carriers are employed in a wide range of communication technologies and real-world applications, including telephone networks, wireless communication, television broadcasting, and internet data transmission, to name a few. In these systems, a carrier signal undergoes various modulation techniques, like amplitude modulation (AM) or frequency modulation (FM), which encodes the carrier signal with the information to be transmitted.

The encoded carrier signals are then transmitted through space or physical medium, such as fiber optic cables or wireless radio channels, to their intended destinations. Once received, the data is extracted by demodulating the carrier signal, thus enabling the smooth exchange of information among devices. Overall, carriers form the backbone of modern communication infrastructure by delivering vital data with speed and efficiency.

Examples of Carrier

Mobile Network Operators (MNO): Companies such as Verizon, AT&T, T-Mobile, and Vodafone are examples of carriers in the telecommunications industry. They own and operate mobile networks, providing coverage and communication services like voice, SMS, and data for millions of subscribers using various wireless technologies like GSM, CDMA, 4G/LTE, and 5G.

Carrier Ethernet: Carrier Ethernet is a standardized, high-speed networking technology used by service providers and carriers to deliver high-performance, cost-effective connectivity for enterprise networks, data centers, and internet access. This technology enables service providers like Comcast, CenturyLink, and Cox Communications to offer reliable, scalable, and flexible Ethernet-based services to their customers.

Container Shipping Industry: In the shipping and logistics industry, companies such as Maersk, Mediterranean Shipping Company (MSC), and CMA CGM are known as carriers because they own and operate fleets of container ships that transport and deliver cargoes across the world. These carriers facilitate global trade by ensuring that goods reach their destinations efficiently and safely.

Carrier FAQ

What is a carrier?

A carrier is a company that provides transportation services for goods, people, or other infrastructures. They often own or operate various modes of transportation, such as ships, trucks, planes, and trains, to assist in the distribution of goods and help people travel between locations.

What are the different types of carriers?

There are several types of carriers in various industries. Some major types include cargo carriers, freight carriers, telecommunications carriers, and insurance carriers. They all play essential roles in their respective industries and offer specialized services to their customers.

How do I choose the right carrier for my needs?

When choosing a carrier, consider factors such as reliability, cost, delivery time, accessibility, and the type of service you need. Compare several carriers’ offerings and read customer reviews to ensure you select the best fit for your specific requirements.

What is a common carrier?

A common carrier is a transportation provider that offers its services to the general public under a legal obligation to provide service without discrimination. This means that they must serve all customers who request transportation services at a fair and reasonable price, providing they have adequate capacity for the load.

How can I track my shipment with a carrier?

Most carriers offer tracking services on their website or through a mobile app. To track your shipment, you’ll generally need a tracking number, which will be provided by the carrier at the time of pick-up or shipment booking. Enter this number in the carrier’s tracking tool to receive real-time updates on your shipment’s status and location.

Related Technology Terms

  • Carrier Frequency
  • Carrier Wave
  • Carrier Signal
  • Modulation
  • Telecommunication Carrier

Sources for More Information


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