Questions & Answers on RFID

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Ultra High Frequency (UHF) RFID Tags & Systems

May 2, 2018

The Ultra High Frequency (UHF) band is the frequency range from 300 MHz to 1 GHz. RFID systems that operate in this frequency band are called Ultra High Frequency (UHF) RFID Systems. UHF RFID tags/rea...read more

Low Frequency (LF) RFID Tags & Systems

RFID

Editorial Team

May 2, 2018

The Low Frequency (LF) band is the frequency range from 30 KHz to 300 KHz. RFID systems that operate in this frequency band are called Low Frequency (LF) RFID Systems. LF RFID systems operate at 125 K...read more

Circular Polarization vs Linear Polarization for RFID Applications

RFID

Editorial Team

May 15, 2018

EM waves usually travel in two main modes i.e Linearly Polarized (Vertical or Horizontal) or Circularly Polarized (RHCP or LHCP). When EM waves propagate in a single plane either horizontal or vertica...read more

High Frequency (HF) RFID Tags & Systems

RFID

Editorial Team

May 2, 2018

The High Frequency (HF) band is the frequency range from 3 to 30 MHz. RFID systems that operate in this frequency band are called High Frequency (HF) RFID Systems. HF RFID tags/readers usually operate...read more

What is the difference between read only and read-write RFID Tags?

RFID

Editorial Team

May 15, 2018

Read-Only Tags have a unique serial number associated with them i.e they just have this serial number stored in the RFID Tag IC. This serial number is added to the tag at the time of manufacturing and...read more

Microwave Frequency (SHF) RFID Tags & Systems

RFID

Editorial Team

May 2, 2018

RFID systems that operate at microwave frequencies at 2.45 GHz and 5.8 GHz are known as SHF (Super High Frequency) RFID Systems. The frequency range in which SHF RFID systems operate are those which a...read more

What is RAIN RFID?

RFID

Editorial Team

Mar 16, 2019

RAIN RFID is a passive (battery-free) wireless technology that connects devices with UHF RFID tags to the cloud/internet. RAIN an acronym of RAdio frequency IdentificatioN. This technology connects th...read more

What are Battery Assisted Passive (BAP) RFID Tags?

RFID

Editorial Team

May 3, 2018

Battery Assisted Passive RFID Tags are passive RFID tags with an embedded battery. When a BAP tag receives an RF signal from an RFID reader, it turns on the embedded battery which in turn powers the R...read more

What is a Chipless RFID Tag?

RFID

Editorial Team

May 15, 2018

RFID tags without a silicon IC/microchip/RFID Tag IC are called Chipless RFID Tags. These tags use plastic or conductive polymers instead of silicon-based ICs. They reflect back a portion of the reade...read more

What are RFID Wet Inlays?

RFID

Editorial Team

Aug 29, 2018

RFID Wet Inlays are those that have an adhesive backing making them easy to stick on to surfaces. An RFID Inlay consists of an IC/Chip with a dipole antenna. RFID Wet Inlays are like RFID stickers and...read more

What is NFC?

RFID

Editorial Team

Oct 26, 2021

NFC or Near Field Communications is a short-range wireless connectivity technology that allows two compatible devices to communicate without contact. This two-way wireless communication technology use...read more

What are RFID Dry Inlays?

RFID

Editorial Team

Aug 29, 2018

RFID Dry Inlays are those that do not have an adhesive backing. RFID Dry Inlays attach an IC and an antenna to a substrate or material. They look like laminated RFID Tags.Click here to find Dry RFID I...read more

RFID Applications Keep Expanding

NFC RFID

Ian Wright

Mouser Electronics

1973 was a key year in the evolution of radio-frequency identification (RFID), with the first two patents being filed in the United States, one for an active RFID tag and the other for a keyless entry...read more

BAP RFID Tags vs Active RFID Tags

RFID

Editorial Team

May 3, 2018

The main difference between BAP (Battery Assisted Passive) RFID Tags and Active RFID tags is that BAP tags only respond once the RFID reader sends it an RF Signal. Active tags on the other hand, can s...read more

What is the OmniAir Consortium?

Automotive RFID

Editorial Team

Jun 18, 2019

Founded in 2004, the OmniAir Consortium is promoting interoperability and certification for connected vehicles, intelligent transportation systems (ITS), and transportation payment systems. OmniAir in...read more

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