{"id":284,"date":"2022-10-27T00:09:32","date_gmt":"2022-10-27T00:09:32","guid":{"rendered":"http:\/\/supplychaintechnology.co.uk\/?p=284"},"modified":"2022-10-27T00:37:01","modified_gmt":"2022-10-27T00:37:01","slug":"what-is-rfid-radio-frequency-identification-technology","status":"publish","type":"post","link":"http:\/\/www.supplychaintechnology.co.uk\/?p=284","title":{"rendered":"What is RFID (Radio Frequency Identification) Technology?"},"content":{"rendered":"\n<figure class=\"wp-block-audio\"><audio controls src=\"http:\/\/supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/20222813_1666830285.mp3\"><\/audio><figcaption>Audio version for Visually Impaired <\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Radio Frequency Identification or RFID is a specific type of radio technology that uses radio waves to identify tags attached to an object and thus identify the object. The tag contains a transceiver chip which is triggered by the electromagnetic wave from the RFID reader and transmits an identification number back to the reader. The identification number is then used for the inventory of the objects with tags. Tags can be passive or active. Passive tags are only powered by the incident electromagnetic wave from the reader and thus have a shorter operating range. Active tags are powered by a battery and can have greater range, up to hundreds of meters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With the use of wireless technology, RFID tags do not need a direct line-of-sight to the RFID reader, which brings some significant advantages compared to the barcode scanners widely used in the industry today.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The RFID tag can be embedded or hidden in the object, and several tags can be identified at the same time by a single reader.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A barcode scanner has to \u2018see\u2019 a barcode to gather data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RFID is used in many applications and industries, including pharma, retail, agriculture and medical care, as well as tracking vehicles, pets, and livestock. For example, an object with an embedded RFID tag that is moving through a production line or a warehouse equipped with RFID readers, can be scanned at different production stations and thus its progress can be automatically tracked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The technology has continued to improve over the years, and the cost of implementing and using an RFID system has continued to decrease, making RFID a cost-effective and efficient alternative to conventional optical scanning. Standard specifications have been developed for RFID technology, addressing security and privacy concerns. Such standards use on-chip cryptography methods for untraceability and tag and reader authentication using digital signature data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFID Technology: How Does it Work?&nbsp;<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"438\" src=\"https:\/\/i0.wp.com\/supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen-1024x701.jpeg?resize=640%2C438\" alt=\"\" class=\"wp-image-285\" srcset=\"https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?resize=1024%2C701 1024w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?resize=300%2C205 300w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?resize=768%2C526 768w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?resize=1536%2C1051 1536w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?w=1632 1632w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/Basic-RFID-Systen.jpeg?w=1280 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What are the Main Components of RFID Technology?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tags<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RFID tags are what stores and transmits the data that needs to be deciphered. The tags can be attached to assets to send data to the antenna. The microchip embedded in the tag is what stores the tag&#8217;s ID and programmable data related to the asset. This stored data is then transferred to the reader through antennas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Antennas<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Antennas are necessary elements in an RFID system because they transmit the RFID tag\u2019s data to the reader. Without some type of RFID antenna, whether integrated or standalone, the RFID reader cannot correctly send and receive signals to RFID tags.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Readers<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RFID readers are connected to the antenna and receive data from the RFID tag. The reader is what receives and converts the radio waves into digital data on a computer database.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are two types of readers. There are Fixed Readers and Mobile Readers. Fixed readers are typically mounted to walls or other objects and stay in one location to read data stored in a tag. Mobile readers can be installed or carried anywhere it is needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Computer Database<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The RFID system requires a computer database to process data stored in tags. This software can program tags, manage devices and data, remote monitoring and hardware configuration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>RFID Tags: Categories, Frequencies, and Applications<\/strong><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>RFID Tags: Categories, Frequencies, and Applications<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RFID transmits data to a reader through different frequencies of electromagnetic fields.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RFID tags are categorised according to the frequency at which they are designed to operate. There are three major frequency ranges that RFID tags operate.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Low-Frequency (LF) Tags<\/li><li>High-Frequency (HF) Tags<\/li><li>Ultra-High Frequency (UHF) Tags &#8211; passive and active<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Low-Frequency Tags (LF)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The primary frequency range of 125kHz \u2013 134kHz<\/li><li>Can read a span of a few inches<\/li><li>Lowest data transfer rate among all the RFID frequencies<\/li><li>Store a small amount of data&nbsp;<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">LF Applications \u2013 Animal Tracking, Access Control, Car Key-Fob, Asset Tracking, and Healthcare<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. High-Frequency Tags (HF) &#8211; Most widely used around the world<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The primary frequency range of 13.56MHz<\/li><li>Read range: 30 cm<\/li><li>The capability of reading multiple tags simultaneously<\/li><li>Can store up to 4k of data<\/li><li>Easily read while attached to objects containing water, tissues, metal, wood, and liquids.<br>HF Applications \u2013&nbsp; Library Books, Personal ID Cards, Airline Baggage, and Credit Cards<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Ultra-High Frequency Tags (UHF)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are two types of tags that use different frequencies under UHF RFID.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>UHF Passive Tags &#8211; use energy from the RFID reader<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The primary frequency range: 860MHz \u2013 960MHz<\/li><li>Read Range: 25 meters<\/li><li>High data transmission rate<\/li><li>Wide variety of tag sizes<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">UHF Passive Tag Applications \u2013 Supply Chain Tracking, Manufacturing, Pharmaceuticals and Electronic Tolling<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>UHF Active Tags &#8211; battery operated<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The primary frequency range: 433MHz<\/li><li>Read Range: 30 &#8211; 100+ meters<\/li><li>Large memory capacity<\/li><li>High data transfer rate<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">UHF Active Tag Applications \u2013 Vehicle Tracking, Auto Manufacturing, and Construction<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pros and Cons of RFID&nbsp;<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"530\" src=\"https:\/\/i0.wp.com\/supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/pros-cons-rfid.jpeg?resize=640%2C530\" alt=\"\" class=\"wp-image-286\" srcset=\"https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/pros-cons-rfid.jpeg?w=900 900w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/pros-cons-rfid.jpeg?resize=300%2C248 300w, https:\/\/i0.wp.com\/www.supplychaintechnology.co.uk\/wp-content\/uploads\/2022\/10\/pros-cons-rfid.jpeg?resize=768%2C636 768w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" data-recalc-dims=\"1\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Radio Frequency Identification or RFID is a specific type of radio technology that uses radio&#8230;<\/p>\n","protected":false},"author":2,"featured_media":288,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[9],"tags":[],"class_list":["post-284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automation"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is RFID (Radio Frequency Identification) Technology? - Supply Chain Technology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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