Radio frequency technology has surpassed the boundaries of military and now commercial applications. Common applications include wireless communication for vehicles, home appliances, medical equipment and security systems. The radiofrequency spectrum is used for communications around the globe. Popular frequencies include those for cell phones, TV sets, cordless phones and CB radios. It’s easier than ever to listen to music, podcasts and audio books while you cook or clean, or even when you’re right in the middle of something else. Using just your Phone, smart TV, Air Pods, and Bluetooth headphones (optional) you can stream audio everywhere around your home wirelessly. The Radiofrequency technology has undergone many adjustments in order to work in a wireless mobile device. They are continually working on improving the capabilities of this technology.
Radio Frequency technology is the application of electromagnetic energy in space. It has two main applications: communication and navigation. Frequently used computer frequencies include radar waves (usually used for orbiting satellites), high-frequency (also called infra-red) television and audio frequencies used for military purposes. By using radio signals; we can send messages, information and entertainment in an instant. The electromagnetic spectrum with lower frequencies than microwaves are known as radio waves. Radio waves have wavelengths ranging from thousands of metres to 30 centimetres. These relate to frequencies ranging from 3 Hz to 1 gigahertz.
Commercial Application
RFID technology is used in the manufacture of many consumer products. Its applications extend well beyond the realm of merchandise. Our phones are filled with radio frequencies that enable us to globalize and communications efficiently. These technologies are used in virtually every aspect of our lives whether we realize it or not. You find yourself surfing the web more frequently now than ever before but what exactly are we using these technologies for?
The commercial application of radio frequency technology is a network utilizing frequency control protocols to convey data between radio station and listeners. Link control utilizes ability depends on transmitter type, frequency band, user equipment and other environmental factors. The radio frequency technology is frequently used for military radar applications, guidance system control for satellites and other space based equipment and as a communication network for mobiles devices such as mobile phones. For a long time RF technology was thought to be impossible to use in portable devices, cell phones in particular, because of the power consumption issues it causes. But things are changing and it is now possible to listen to music through your phone just about anywhere you go. Bypassing radios in favor of wireless Bluetooth gadgetry and making use of signal strength in combination with range have made radiofrequency technology more practical for everyday use in portable devices, effectively making it a viable option for making phone calls, sending and receiving text messages, watching videos, and using applications that rely on looking for nearby radio transmissions.
RF technology has proven itself in numerous military applications. Radar can be used for surveillance in public Places; when combined with night vision equipment, it gives officers the ability to see farther and analyze the situation from a great distance. Frequency hopping allows for transmission of data at higher speeds than any other form of radio technology. This makes it ideal for military applications, particularly when communication distances between units are long or as we know it today, the Internet and Wireless networking. This technology allows mobile phones to send and receive data signals that can be contained in the spectrum carried by Radio wave. These are used to send and receive text messages, make calls and listen to music.
As technology continues to advance, wireless communication systems have also become more sophisticated. Radio frequency technology, or RFID, is one of these systems. It is used in items such as luggage, military rations, and toys. Items might have radio frequency identification tags placed on them or be equipped with a radio frequency identification tag reader. When these tags are read by a reader, data can be provided about an item including its location, ID number, etc.
RFID, or radio frequency identification, is a wireless communication technology that is being used in many consumer products. This technology allows tag items to communicate wirelessly with readers. Readers can then identify those items and provide information about them.
RFID technology is used in the manufacture of wireless devices such as cell phones, GPS devices etc. The technology is also used in the manufacture of items that are reusable such as signs and cleaning supplies. In fact, all RFID tags contain small computers which store the information about products. It’s a new way of storing information. RFID is a technology that enables the wireless use of tags and labels. This includes product orders, inventory, shipments and even people’s movements through supermarkets and shops using their ID cards. it is used in various card solutions today including contactless payments, loyalty programs, inventory tracking and more.
Military Application
RFID technology is used widely in many military-related products, including vehicle systems, weapon systems and shipboard systems. Recent advances in this field have led to the development of secure RFID wrist bands as well as personal identification numbers (PINs) for wireless computers and mobile phones. These technologies are becoming an important part of daily life and can enhance security in myriad ways. The RFID form of ID allows users to monitor their own health information through security gates, and can be used to prevent fraud and abuse within the ranks. Not only does it make managing military budgets easier, it also improves the quality of life for active duty service members by allowing them to receive treatment at no additional cost when traveling abroad.
The future of military communications relies on radio frequency technology. That means the weapon systems will become more mobile, integrating with other military systems and assets. It also means these systems will be more accurate with pinpoint precision, allowing enforcers to communicate with targets more effectively without human intervention. The advantage of this technology lies with its low-power environment.
Application in Medical Industry
The technology behind radio frequency identification (RFID) has a lot of applications in the medical industry. It can help patients stay in the same place even if they have different medical conditions. Instead of having each patient take off one by one to get their medical records checked, the system could provide an alert if a patient has a new condition and needs to be accompanied by a medical professional immediately.
Using radio frequency technology, doctors can treat cancer patients more effectively and save their lives. Radio frequency therapy can burn tumors up to fight the spread of cancerous cells, relieve pain and fever without invasive treatment and help recuperate patients faster. Medical devices require radio frequency (RF) technology, which is utilized in hospitals and clinics. The technology is mostly used for diagnosing health conditions, helping patients obtain medical care more effectively and reducing complications or even death due to cancers, infections or other medical conditions. Medical practitioners use different devices based on their specific medical needs.
Radio frequency medical imaging uses radio waves generated by wireless systems to create 3D images of organs and tissues. The imaging results can be used to diagnose ailments before they become serious, such as open heart surgery. RFT applications are currently being used in hospitals, special surgery centers, and on circulatory systems to aid in diagnostic procedures and surgeries.
Radiated technology is used worldwide to diagnose and treat diseases like diabetes, high blood pressure and even inflammatory conditions. The radio frequency radiation used for this medical treatment is generated by biomedical implants made of metals or ceramics and ceramic fibers. The latest generation of these implants is capable of targeting specific tissues and organs by producing fields that permeate the surrounding tissues.
This enables precise drug delivery through the bloodstream without disturbing surrounding normal functions.
The introduction of radio frequency technology in medicine has resulted in a decrease in complex treatment protocols and an increase in patient autonomy. Radio frequency waves can be used to help heal organic wounds, as well as insert fibres or gel into broken bones, to treat burns patients more efficiently, and to alleviate pain in neurologically-disabled patients.
When it comes to medical instruments, you want them to be safe and convenient. Fortunately, advances in radio frequency technology have created medical instruments that are fast and easy to use as well as user-friendly.
Microwave Technology
Microwave is a line-of-sight wireless communication technique that employs high-frequency radio waves to transmit and receive audio, video, and data. Microwaves are electromagnetic waves with wavelengths ranging from 1 mm to 1 m, or frequencies between 0.3 GHz and 300 GHz.
For point-to-point telecommunications, microwave technology is widely utilised (i.e. non-broadcast uses). Microwaves are particularly well suited to this use because they can be concentrated into tighter beams than radio waves, allowing frequency reuse; their higher frequencies allow for broad bandwidth and fast data transmission rates; and antenna diameters are lower. Microwaves are utilised in spacecraft communication, and microwaves are used to Transfer most of the world’s data, television, and phone communications over great distances between ground stations and communications satellites.
Heating application of microwave
Microwave radiation at a frequency of around 2.45 GHz (12 cm) is passed through food in a microwave oven, generating dielectric heating largely by absorption of the energy in water. Microwave ovens have become popular in kitchens.
Microwaves are amazing devices that have changed the way we cook. From heating up frozen pizza to zapping our lunch in seconds, microwaves are essential for busy people. In industrial operations, microwave heating is used to dry and cure goods.
Microwaves are used in several semiconductor manufacturing processes to produce plasma, such as reactive ion etching and plasma-enhanced chemical vapour deposition (PECVD).
In electron paramagnetic resonance (EPR or ESR) spectroscopy, microwave radiation is generally utilised in the X-band (9 GHz) in combination with magnetic fields of 0.3 T. This method gives information on unpaired electrons in chemical systems like free radicals or transition metal ions like Cu (II). Rotational spectroscopy is also performed using microwave radiation.
Microwaves may destroy live cells and tissue, as well as humans, which is why microwave ovens are enclosed in sturdy metal enclosures that prevent the radiation from escaping. Micro waves are used in less-than-lethal weaponry to heat a small layer of human skin to an unbearable temperature, causing the victim to flee. At a depth of 0.4mm, a two-second burst of the 95 GHz focused beam warms the skin to 54 °C (129 °F).
Microwave is an electromagnetic radiation of short wavelength. They can reflect by conducting surfaces just Like optical waves since they travel in straight line. Microwave currents flow through a thin outer layer of an ordinary cable. Microwaves are easily attenuated within short distances. They are not reflected by ionosphere.
They are use for television broadcasting. The satellite dish and related components must be correctly oriented, with no blockage between the sending satellite and the receiving satellite dish, because microwaves are very directional.
Frequency band distribution of microwave in communication sector, Most remote sensing radar wavelengths are between (0.5 cm – 75 cm).The microwave frequencies have been arbitrarily assigned to bands identified by letter:
The most popular imaging microwave radars include:
- X- band: from 2.4 – 3.75 cm (12.5 – 8 GHz).Widely used for military reconnaissance and commercially for terrain surveys.
- C- band: from 3.75 – 7.5 cm (8 – 4 GHz). Used in many space borne SARs, such as ERS- 1 and RADARSAT.
- S- band: from 7.5 – 15 cm (4 – 2 GHz). Used in Almaz
- L- band: from 15 – 30 cm (2 – 1 GHz). Used on SEASAT and JERS- 1.
- P- band: from 30 – 100 cm (1 – 0.3 GHz). Used on NASA/ JPL AIRSAR.
Market share of RF components:
The radio frequency industry is one of the fastest-growing industries in India today. With a market size of more than USD$16 billion in 2016, this sector plans to increase its market share to USD$24 billion by 2022 expanding its leadership position over all other telecom service providers. Widely available and affordable mobile broadband services are transforming the way people live and work with data consistently being ranked as one of the most-used applications by Indians.
