Technology

Wireless Technology Overview: Find out more

Wireless TechnologySeveral different wireless technology areas are brought together to form the CableFree range of wireless communication products.

Below are links to helpful content pages on the various popular topics related to Wireless Communications technologies used in the CableFree Product Ranges:

Technology Pages for WiFi and Radio

WiFi Technology

IEEE 802.11: WiFi

WiFi uses radio waves (RF) to allow two devices to communicate with one another. The technology is most commonly used to connect Internet routers to devices like computers, tablets and phones; however, it can be used to connect together any two hardware components. WiFi is a local wireless network that runs of the 802.11 standards set forth by the Institute of Electrical and Electronics Engineers (IEEE).

WiFi can utilize both the global 2.4GHz UHF and 5GHz SHF ISM radio bands. The WiFi Alliance certifies some products, allowing them to be labeled as “Wi-Fi Certified.” In order to receive that designation, and product must go through the Alliance’s interoperability certification testing.

802.11b, 802.11g, and 802.11n run on the 2.4GHz ISM band. The band is susceptible to interference from some Bluetooth devices as well as some microwave ovens and cordless phones. Devices that run on either band can be operated in the United States without a license from the FCC, but still require FCC part 15 certification. The first six channels of frequencies from each are considered part of the amateur radio band.

Technology Pages for Microwave and MMW

Technology Pages for Free Space Optics (FSO)

Technology Pages for 4G/LTE Cellular Broadband Technology

The CableFree range of Wireless Communication Products brings together these diverse technologies to create high speed, reliable and dependable wireless communication networks spanning cities and countries including Wireless Metropolitan Area Networks (Wi-MAN).

Wireless Applications

CableFree Wireless TechnologyApplications for CableFree Wireless products include:

  • Telecommunications
  • Cellular Network Operators (2G, GSM, 3G/UMTS, 4G/LTE)
  • Government
  • Corporate
  • Healthcare
  • Education (Schools, Universities)
  • Broadcast HDTV Links
  • Police Force
  • CCTV Security
  • Defence

We plan to continuously update this section with more content on Wireless Technology.  Please revisit this page again!

History of Wireless Communications

The world’s first wireless telephone conversation occurred in 1880, when Alexander Graham Bell and Charles Sumner Tainter invented and patented the photophone, a telephone that conducted audio conversations wirelessly over modulated light beams in a primitive version of Free Space Optics (FSO). In that era, when power utilities did not yet exist to provide electricity and lasers had not even been imagined, there were no practical applications for their invention, which was highly limited by the availability of both sunlight and good weather. Similar to free-space optical communication, the photophone also required a clear line of sight between its transmitter and its receiver. It would be several decades before the photophone’s principles found their first practical applications in military communications and later in fiber-optic communications.

Common Types of Wireless in use today

    • Cellular phones and pagers: provide connectivity for portable and mobile applications, both personal and business
    • Global Positioning System (GPS): allows drivers of cars and trucks, captains of boats and ships, and pilots of aircraft to ascertain their location anywhere on earth
    • Cordless computer peripherals: the cordless mouse is a common example; keyboards and printers can also be linked to a computer via wireless
    • Cordless telephone sets: these are limited-range devices, not to be confused with cell phones
    • Home-entertainment-system control boxes: the VCR control and the TV channel control are the most common examples; some hi-fi sound systems and FM broadcast receivers also use this technology
    • Remote garage-door openers: one of the oldest wireless devices in common use by consumers; usually operates at radio frequencies
    • Two-way radios: this includes Amateur and Citizens Radio Service, as well as business, marine, and military communications
    • Baby monitors: these devices are simplified radio transmitter/receiver units with limited range
    • Satellite television: allows viewers in almost any location to select from hundreds of channels
    • Wireless LANs or local area networks: provide flexibility and reliability for business computer users

Wireless technology is rapidly evolving, and is playing an increasing role in the lives of people throughout the world. In addition, ever-larger numbers of people are relying on the technology directly or indirectly. (It has been suggested that wireless is overused in some situations, creating a social nuisance.) More specialized and exotic examples of wireless communications and control include:

  • Global System for Mobile Communication (GSM): a digital mobile telephone system used in Europe and other parts of the world; the de facto wireless telephone standard in Europe
  • General Packet Radio Service (GPRS): a packet-based wireless communication service that provides continuous connection to the Internet for mobile phone and computer users
  • Enhanced Data GSM Environment (EDGE): a faster version of the Global System for Mobile (GSM) wireless service
  • Universal Mobile Telecommunications System (UMTS): a broadband, packet-based system offering a consistent set of services to mobile computer and phone users no matter where they are located in the world
  • Wireless Application Protocol (WAP): a set of communication protocols to standardize the way that wireless devices, such as cellular telephones and radio transceivers, can be used for Internet access
  • i-Mode: the world’s first “smart phone” for Web browsing, first introduced in Japan; provides color and video over telephone sets

Market for Wireless Technology

Wireless can be divided into:

  • Fixed wireless — the operation of wireless devices or systems in homes and offices, and in particular, equipment connected to the Internet via specialized modems
  • Mobile wireless — the use of wireless devices or systems aboard motorized, moving vehicles; examples include the automotive cell phone and PCS (personal communications services)
  • Portable wireless — the operation of autonomous, battery-powered wireless devices or systems outside the office, home, or vehicle; examples include handheld cell phones and PCS units
  • IR wireless — the use of devices that convey data via IR (infrared) radiation; employed in certain limited-range communications and control systems

Technical Support Portal for CableFree products

Also please visit the CableFree Technical Support pages at www.cablefree.net/support which provides in-depth technical information on CableFree Radio and other products

For Further Information

Please contact us with any questions on CableFree Wireless Technology

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