Among all the RFID systems, the passive ones are most commonly and widely applied. The active RFIDs have very specific use and are often too expensive for small scale industries. The Passive RFID systems however, are very popular with small scale industries like retail, logistics, access management, library management, laundry management, and supply. Now considering the widespread use of passive RFIDs, RFID handheld reader suppliers in India manufacture RFIDs in various forms, making them application specific.
The various types of passive RFIDs
Taking in account all the RFIDs supplied by the RFID reader and Boom Barrier Manufacturers in India, they can be generally segmented under three concrete categories: The Low Frequency Passive tags, the High Frequency Passive tags and the Ultra High Frequency Passive tags.
- The Low Frequency passive tags: These tags function on the frequencies between 125 and 143 KHz. With longer wavelengths, these tags are best suited for non-radio friendly zones. The range however, is very low with these tags (approx 1 – 10 cms).
- The High Frequency passive tags: With a range bigger than LF tags and wavelengths shorter than LF tags, these passive tags work within the frequency range of 3 – 30 MHz. Although, the frequency 13.56 MHz is considered ideal with HF passive tags.
- The Ultra-High Frequency passive tags: Functioning at a frequency of 865 MHz to 960 MHz, the UHF passive tags faces the maximum demand and the most widespread use in sectors like, IT tracking, laundry management and race-timing.
Now taking an alternate approach to the passive RFID classification, they can also be segmented as per their application specific make.
- Temperature Resistant: Tags that are manufactured specially to sustain the high temperature levels of certain industries such as mining, iron and steel manufacturing, glass manufacturing and such.
- Corrosion Resistant: Passive tags that are meant to be used under harsh circumstances and weather conditions. These tags can successfully dodge the critical hits of corrosion from snow, ice, dust and debris.
- Material specific: Metal is a great rival of Radio Waves. Using generic tags in order to track metal items could falter the accuracy levels. For such scenarios, the metal mount tags, designed specifically to function efficiently with metals, are used.
- Embeddable: Certain items that can go through a significant amount of wear and tear yet needs tracking would benefit much from the embeddable tags. The embeddable tags owing to their miniature sizing can be placed within small crevices and then covered with
- Inlays: Inlays are basically similar to laminated sticker like barcodes, but with three variations. The dry inlays that have a transparent face with no adhesive on the back, the wet inlays, that have a transparent face with adhesive on the back and paper faced, that have a white paper face with adhesive on the back.
Make sure before you make your purchase from your RFID reader with antenna supplier in India, you have acquired complete knowledge on the types of passive readers available, their benefits and drawbacks and their utility to your application.
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