Components of an RFID System - MBA Knowledge Base

Components of an RFID System

Components of an RFID System

Radio frequency Identification (RFID) as the name implies uses radio frequency to exchange data between two entities for identification purpose. It is a wireless technology to collect information without any human interventions.

An RFID system is basically an integrated combination of various components which work together for detection...

Read more


Website: mbaknol.com

Using RFID to Overcome Inventory Control Challenges ...

July 15, 2009

1 Introduction

In recent years, (Radio-Frequency Identification) RFID technology has attracted the attention of the industrial community as well as the scientific community. RFID technology is a wireless automatic identification and data capture (AIDC) technology [1] that enables the identification of any tag item in real-time in a given supply chain with a minimum human...

Read more


Website: http://www.katinamichael.com

Surgical Instrument Comprising a Detection Means - Tagil ...

The invention relates to a surgical instrument (1) comprising a detection means (10) for reacting to at least one external stress (30) emitted by a generator means (15) that generates the stress (30). The invention also relates to the method for producing such a surgical instrument (1). The invention likewise relates to the generator means (15). The invention further relates to a method for...

Read more


Website: http://www.freepatentsonline.com

Advanced RFID Measurements: Basic Theory to Protocol ...

Table 1. Comparison of the Typical RFID Read Range According to Frequency Band (Passive Tags)

While Table 1 compares the read range of passive tags, note that there are actually three RFID tag types: active, passive, and semiactive. Because active and semiactive tags use an onboard power source to power the tag response, they are typically capable of much longer read ranges. Passive tags, on...

Read more


Website: http://www.ni.com

Related topics : 915 mhz rfid tags / rfid tags and readers cost / how much do active rfid tags cost / cost of rfid readers and tags / rfid tag and reader circuit

RFID Technology: Keeping Track of DoD ’s Stuff

improved inventory and shipment visibility and management

enhanced business processes within the DoD

improved asset tracking

Something Missing?

(click to view full)

With benefits, however, come problems. Security is a major concern for RFID technology. Tags that are readable anywhere, anytime pose a risk to corporate and military security.

Accuracy of information is another concern. The DoD...

Read more


Website: defenseindustrydaily.com

RFID Technology: Keeping Track of DoD's Stuff

improved inventory and shipment visibility and management

enhanced business processes within the DoD

improved asset tracking

Something Missing?

(click to view full)

With benefits, however, come problems. Security is a major concern for RFID technology. Tags that are readable anywhere, anytime pose a risk to corporate and military security.

Accuracy of information is another concern. The DoD...

Read more


Website: defenseindustrydaily.com

Related topics : radio frequency identification technology (rfid) / radio frequency identification device rfid technology / rfid active tag technology / improvement of supply chain performances using rfid technology / achieving supply chain integration using rfid technology

Savi RFID Tags Deliver Dramatic Performance Improvements

Next Generation Active RFID Tags From Savi Deliver Dramatic Performance Improvements

Tags Excel Beyond U.S. Department of Defense Requirements

ALEXANDRIA, VA (June 19, 2013) - Supply chain and logistics professionals can improve the speed,�performance and reliability of their operations with the next generation active Radio Frequency�Identification (RFID) tags released today by Savi...

Read more


Website: savi.com

Is HF or UHF industrial RFID better? | Control Engineering

Identify the right RFID technology: Knowing the difference between HF and UHF is important for industrial applications.

02/25/2013

Share

Industrial manufacturing is constantly adapting to meet the ever-increasing productivity and efficiency demands on the factory floor, and track-and-trace technologies play an important role in satisfying these goals. Radio frequency identification (RFID) has...

Read more


Website: https://www.controleng.com

Budget Library Supplies - SMARTRAC RFID Tags for the Library!

Block tags and inlays are cost-efficient and high performance products designed for library and other media management applications. Block products provide best-in-class read range, optimal size and performance in a compact package.

Credit card sized all-around product for different applications.

RaceTrack LITE RFID Tags

RaceTrack tags and inlays are credit card sized top performing products suitable for wide range of end use...

Read more

Date: 2016-09-15 14:03:39
Website: http://www.budgetlibrarysupplies.com

Related topics : rfid tags library applications / library rfid tag cost / library rfid tags / rfid tag production cost / rfid tags industrial applications

Is HF or UHF industrial RFID better? | Control Engineering

Is HF or UHF industrial RFID better?

Identify the right RFID technology: Knowing the difference between HF and UHF is important for industrial applications.

02/25/2013

Share

Industrial manufacturing is constantly adapting to meet the ever-increasing productivity and efficiency demands on the factory floor, and track-and-trace technologies play an important role in satisfying these goals. Radio...

Read more


Website: https://www.controleng.com

UCODE®|NXP

Products

Ideal for supply chain and logistics applications requiring high-speed operation, NXP's EPCglobal-compliant UCODE passive UHF transponder IC family offers high anti-collision rates, high sensitivity for long read range, and wide frequency range for worldwide application. The UCODE IC family provides varying memory sizes and other special features to allow the user to select the best...

Read more


Website: nxp.com

Related topics : active rfid tag read range / passive rfid tag read range / rfid tag read range / rfid reader long read range / uhf rfid tag ic

Asset tracking and management system for library using ...

Research Article - Biomedical Research (2016) Computational Life Sciences and Smarter Technological Advancement

Asset tracking and management system for library using active radio frequency identification (RFID)

Muthuselvi R *

Department of Computer Science and Engineering, Kamaraj College of Engineering and Technology Virudhunagar, India

*Corresponding Author:

Department of Computer Science and...

Read more


Website: http://www.alliedacademies.org

Active RFID Technology-Active Tags

Active RFID Technology-Active Tags

The tags for personnel can be worn using standard ID card straps or lanyards. Active tags are available in a variety of form factors, such as Key fob, Vehicle and Personnel. Personnel Tags have a standard ID card footprint (CR80) for attaching a photo ID and are available with Panic Button.

Key Features:

Tags constantly transmit a heart beat radio frequency pulse every 2 seconds

Have on-board Power Source (Battery)

Tags are always awake, due to embedded battery

Long life battery technology - up to 5 years for a tag

High impact resistant UV stabilized PVC case ultrasonically welded and sealed

9 cm to...

Read more


Website: http://www.remotetrackingsystems.com

Related topics : rfid active tag technology / rfid active reader passive tag / active rfid tag battery life / active rfid tag standard / active rfid tag read range

A CMOS Pressure Sensor Tag Chip for Passive Wireless ...

This paper presents a novel monolithic pressure sensor tag for passive wireless applications. The proposed pressure sensor tag is based on an ultra-high frequency RFID system. The pressure sensor element is implemented in the 0.18 µm CMOS process and the membrane gap is formed by sacrificial layer release, resulting in a sensitivity of 1.2 fF/kPa within the range from 0 to 600 kPa. A three-stage...

Read more


Website: https://www.ncbi.nlm.nih.gov

FIXpoint - Active/passive RFID reader, WiFi, PoE, USB ...

FIXpoint Michael Fokin 2016-11-21T11:28:32+00:00

Ultimate IoT Reader

Download Infosheet

Asset Tracking With RFID

The FIXpoint 3G/4G RFID Reader is an incredibly powerful 2 port passive UHF RFID reader that provides users with the option to expand up to 16 ports.

Based on an integrated MediaTek Processor that runs at 580MHz, it allows for fast data processing and executes multiple tasks almost...

Read more


Website: http://www.fleet-metrix.com

Intermec IP3 Portable RFID (UHF) Reader

Mobile RFID read/write capability for the popular 700 Series Mobile Computer

o Ideal for exception based scanning

o Available for UHF frequency band

o Integrated circular polarized antenna reads tags in any orientation

o Rechargeable Lithium-ion battery pack for a full shift's work

o Durable to withstand the rigors of industrial environments

Intermec's expertise in real world RFID...

Read more


Website: https://www.gammasolutions.com

RFID shopping-cart level checkout is possible with ...

RFID shopping-cart level checkout is possible with technology that is available today

15 May 2014

This guest blog was written by Jed Griffin and Scott Deuty. They describe how the elusive shopping-cart level checkout is now entirely possible offering the retail industry a real breakthrough in widespread use of RFID tags.

Authors: Jed Griffin and Scott Deuty

Despite many failed attempts, the...

Read more


Website: http://www.rfidarena.com

IoT Asset and Vehicle Tracking Systems via RFID and GPS - Romteck

Romteck's IoT tracking systems offer industrial-grade RFID and GPS tracking solutions for long range identification and authentication of vehicles and plant, including in harsh and remote environments.

Solutions are based on the Radio Frequency Identification (RFID) system. Romteck RFID smart tags can record a range of sensor data including engine hours, temperature and other inputs. RFID modules...

Read more


Website: romteck.com

IoT Asset and Vehicle Tracking Systems via RFID ... - Romteck

IoT Solutions

IoT Tracking Systems

Romteck's IoT tracking systems offer industrial-grade RFID and GPS tracking solutions for long range identification and authentication of vehicles and plant, including in harsh and remote environments.

Solutions are based on the Radio Frequency Identification (RFID) system. Romteck RFID smart tags can record a range of sensor data including engine hours,...

Read more


Website: romteck.com

RFID - Camco terminal automation solutions

RFID cards for access control and tracking of vehicles and drivers

RFID�for identification and tracking of people and assets

Many�terminals use RFID (Radio Frequency Identification) for the identification and tracking of people and assets. RFID tags are placed on assets or integrated on access/ID�cards, and automatically read by RFID readers when in range. The tag data can then...

Read more


Website: camco.be

Robust wireless temperature sensor active RFID

PUCK T is a long-range, battery-powered active RFID tag featuring an integrated temperature sensor. This waterproof and robust tag is ideal for nearly any environment. The high-performance PUCK T tag transmits temperature readings within a radius of up to...

Read more


Website: https://elainnovation.com

Related topics : active rfid tag temperature sensor / long range active rfid tags / active rfid temperature sensor / high temperature rfid tag for industrial environment / rfid tag temperature sensor

Drones relay RFID signals for inventory control | MIT News

Drones relay RFID signals for inventory control

System could save retailers billions lost through faulty inventory records. Watch Video

Larry Hardesty | MIT News Office

August 25, 2017

Media can only be downloaded from the desktop version of this website.

Share

Leave a comment

Radio frequency ID tags were supposed to revolutionize supply chain management. The dirt-cheap, battery-free tags, which...

Read more


Website: http://news.mit.edu

Robust wireless temperature sensor active RFID

PUCK T is a long-range, battery-powered active RFID tag featuring an integrated temperature sensor. This waterproof and robust tag is ideal for nearly any environment. The high-performance PUCK T tag transmits temperature readings within a radius of up to...

Read more


Website: http://www.rfid-ela.eu

Related topics : active rfid tag temperature sensor / long range active rfid tags / active rfid temperature sensor / high temperature rfid tag for industrial environment / rfid tag temperature sensor

RFID Solution Provider in India - Suraj Informatics

A lot of terminals use RFID (Radio Frequency Identification) for the identification and tracking of people and assets. RFID Tags are placed on assets or integrated on access/ID cards, and consequently read by RFID readers when in range. The tag records can then be transferred to middleware software and to the TOS.

Valuable RFID on stations are driver and automobile identification and tracking,...

Read more


Website: https://www.surajinformatics.com

Microchip Technology Inc. Introduces High Performance ...

<a href="https://www.thefreelibrary.com/Microchip+Technology+Inc.+Introduces+High+Performance+Module+for...-a079119387</a>

Citations:

MLA style: "Microchip Technology Inc. Introduces High Performance Module for 13.56 MHz RFID Read/Write Tagging ICs.." The Free Library. 2001 Business Wire 03 Mar. 2017...

Read more

Date: 2017-02-28 05:00:00
Website: thefreelibrary.com

Related topics : read write rfid tags / passive rfid tag read range / rfid read write module / rfid tag read range / how to read rfid tag

Handheld RFID Reader RFR900 - Bluebird Global

Resources

Long range and high-speed RFID reading

RFR900 combines high-speed reading with the ability to read over 600 tags per second with an extended reading distance of up to six meters. In addition, RFR900 is able to store over 40,000 RFID tags in batch mode.

Ergonomic RFID pistol grip

RFR900 enables you to add long range UHF RFID reading capability to EF400, EF500, EF500R, BP30, and BM180....

Read more


Website: http://www.bluebirdcorp.com

Related topics : rfid reader long read range / rfid tag read range / rfid uhf long range reader / rfid reader read range / rfid tag reader long range

Savi Technology Releases New RFID Sensor Tags To Track And ...

Savi Technology, a leading provider of RFID-based supply chain solutions, today announced the release of two innovative sensor tags that reduce spoilage and damage by monitoring the temperature and humidity of military and commercial shipments, including aircraft engines, ammunition, medical supplies, food stuffs, and other perishables vulnerable to environmental conditions as they move through...

Read more


Website: supplychainmarket.com

Unitech RP901 Wireless Bluetooth UHF / RFID Pocket Reader

The Unitech RP901 is a compact, light-weight and pocket-sized UHF RFID reader. It is designed and engineered specifically to suit the UHF reading market and application requirements of mobile workers.

 

Pair the RP901 with your iOS, Android or Windows mobile device via the Bluetooth connection and easily extend your mobile data collection with this UHF RFID reader.

RFID technology

Radio...

Read more


Website: https://www.ers-online.co.uk

Race Timing Readers, Tags and Other Products Orbiter ...

Price $7,995.00 each.

Buy 2 for $4,995.00 each.

Mobile RFID Race Reader w/ Side Antennas . Our bollard systems come complete with reader, wireless radio and battery for quick and simple operation. Just roll it into place and turn on and the system will connect wirelessly to the computer to run your race. Accurate timing detects racers at the finish line. No wasting time with dirty mats, running...

Read more


Website: http://orbiter.com

Panasonic ToughBook CF-H1 Review | Trusted Reviews

Page 4 Panasonic ToughBook CF-H1

View All

Considering that the CF-H1 is designed to be used to access confidential data like patient records, Panasonic has equipped it with an impressive array of security options. There's a fingerprint scanner, which is hardly unusual these days, but considering that many healthcare professionals will wear gloves as a matter of course, its usefulness could be...

Read more

Date: 2017-12-09 23:27:19
Website: http://www.trustedreviews.com

RTLS, RFID and Asset Tracking | Approved Index

Home - Vehicle Tracking - RTLS, RFID and Asset Tracking

RTLS, RFID and Asset Tracking

What is Asset Tracking?

Asset tracking refers to tracking the movement of physical assets, which also extends to monitoring stock movements within warehouses and deliveries. This is usually done by the scanning of barcode tags attached to the assets or by using real time location systems (RTLS) and RFID...

Read more


Website: https://www.approvedindex.co.uk

Alien Higgs-3 RFID IC - VARinsights

Click Here To Download:

• Product Overview: Alien Higgs-3 RFID IC

Higgs-3 is a highly integrated single chip UHF RFID Tag IC. The chip conforms to the EPCglobal Class 1 Gen 2 specifications and provides state-of-the-art performance for a broad range of UHF RFID tagging applications.

Higgs-3 operates at extremely low power levels yet still provides sufficient backscatter signal to read tags at extended range. It can also be programmed at low RF power and, in conjunction with a custom command - LoadImage - be programmed at high speed. Higgs-3 is implemented in a low cost CMOS process and uses proven...

Read more


Website: https://www.varinsights.com

Related topics : uhf rfid tag chip / uhf rfid tag ic / uhf gen 2 rfid tag / uhf rfid tag range / uhf gen2 rfid tags

Top 5 Vendors in the Global RFID Blood Refrigerator and ...

Technavio has announced the top five leading vendors in their recent global RFID blood refrigerator and freezer market report. This research report also lists six other prominent vendors that are expected to impact the market during the forecast period.

The growing focus on epidemiology and translational science, along with the generation and preservation of biological...

Read more


Website: businesswire.com

Difference Between RFID and NFC | Difference Between

o Categorized under Technology | Difference Between RFID and NFC

RFID vs NFC

RFID (Radio Frequency Identification) is a tagging technology that is gaining widespread attention due to the great number of advantages that it offers compared to the current tagging technologies being used today; like barcodes. Near Field Communication, or more commonly known as NFC, is a subset of RFID that limits the...

Read more

Date: 2017-03-03 13:51:30
Website: http://www.differencebetween.net

Related topics : difference between passive and active rfid tags technology / difference between active rfid tag and passive rfid tag / difference between active and passive rfid tags / nfc vs rfid difference / radio frequency identification device rfid technology

Product Overview: Alien Higgs-3 RFID IC - VARinsights

Higgs-3 is a highly integrated single chip UHF RFID Tag IC. The chip conforms to the EPCglobal Class 1 Gen 2 specifications and provides state-of-the-art performance for a broad range of UHF RFID tagging applications.

Higgs-3 operates at extremely low power levels yet still provides sufficient backscatter signal to read tags at extended range. It can also be programmed at low RF power and, in conjunction with a custom command - LoadImage - be programmed at high speed. Higgs-3 is implemented in a low cost CMOS process and uses proven and cost effective EEPROM technology.

Higgs-3...

Read more


Website: https://www.varinsights.com

Related topics : uhf rfid tag chip / uhf rfid tag ic / uhf gen 2 rfid tag / uhf rfid tag range / uhf gen2 rfid tags

Sensitivity and Impedance Measurements on UHF RFID ...

Sensitivity and Impedance Measurements on UHF RFID ...

1. Sensitivity and Impedance Measurements on UHF RFID Transponder Chips Lukas W. Mayer and Arpad L. Scholtz Vienna University of Technology Institute of Communications and Radio-Frequency Engineering Gusshausstrasse 25/389, 1040 Wien,...

Read more


Website: de.slideshare.net

Mid-Range RFID | EPC Class 1 Gen 2 - skyrfid.com

EPC Gen 2 UHF RFID Regulations

The EPC standard requires that the system operates from 860 MHz - 960 MHz frequency range. However there are a number of Organizations and Governing bodies that regulate the frequency and transmission power in the different countries. As such no country can legally operate over the entire band and have usually assigned a sub-set of this band for use in their...

Read more


Website: skyrfid.com

Car Tracking | Car Tracking RFID Tags from the top RFID ...

Invengo Passive UHF Metal RFID tag

Robust Design & Exceptional Performance The Invengo XCTF-8405-C03 is a passive UHF RFID metal tag designed for superior performance on a variety of surfaces particular on metal. Confirming to EPCglobal Class 1 Gen 2 and ISO 18000-6C this tag shows unsurpassed UHF performance reliable operation in dense reader environment and...

Read more


Website: http://www.rfidtags.com

FILE TRACKING SOFTWARE SOLUTIONS - The Smart Folder

File Tracking Software for Archives / Box Management

Smart Folder Software  manages and tracks at the box, record and document level.  Smart Folder Software  delivers records management software to manage active and archived records, with automated calculation of retention values and destruction dates for all records and boxes.  Retention can be defined at the...

Read more


Website: http://www.thesmartfolder.com

Treshna Enterprises - RFID readers, keytags and software ...

We supply RFID products and software for a variety of industries, and can custom-make a solution to meet your needs.

We provide RFID for access control, ticketing, concessions, point of sale and inventory management, concentrating on recreation and manufacturing industries.

We supply long-range and short-range RFID cards, readers, scanners, gates and turnstiles, along with ticketing & printing...

Read more


Website: https://www.treshna.com

Related topics : long range rfid reader credit card / mifare rfid card reader / rfid credit card reader software / rfid credit card reader scanner / wireless rfid credit card reader for sale

Difference Between RFID and NFC

Home / Technology / Communication / Access Network / Difference Between RFID and NFC

Difference Between RFID and NFC

Posted on

by Andrew Last updated on: July 15, 2011

RFID vs NFC

Both RFID (Radio Frequency Identification) and NFC (Near Field Communication) technologies are identified as wireless technologies, which are used to transfer data within electronic devices. They are increasingly used...

Read more

Date: 2017-03-03 18:27:24
Website: http://www.differencebetween.com

Related topics : radio frequency identification device rfid technology / difference between passive and active rfid tags technology / radio frequency identification technology (rfid) / radio frequency identification technology rfid / rfid technology uses

Tag & Find

Tag&Find developed an advanced extended-range RFID reader inside a Smartphone case. Attached...

Read more


Website: http://www.tag-find.com

Related topics : rfid tag reader long range / rfid reader range extender / rfid reader long read range / rfid tag long range / rfid long range reader

RFID News Roundup - 2008-06-12 - Page 1 - RFID Journal

New Israeli hospital to install Wavetrend active RFID technology; Istanbul mass transit buys more than 1 million RFID tickets; SkyeTek offers RFID solutions for medical inventory management; RadarFind offers temperature-sensing tags; Innovision launches higher-memory NFC RFID chips; Toshiba TEC unveils new RFID modules for printers.

Jun 12, 2008--The following are news announcements made during...

Read more


Website: rfidjournal.com

Savi calls active RFID market mature, signs 7 licensees ...

Savi calls active RFID market mature, signs 7 licensees

By Control Engineering Staff

02/01/2007

Share

Mountain View, CA - Savi Technology , a provider of active radio frequency identification (RFID)-based technologies, said the first seven companies have licensed its active RFID technology, signaling a maturing market for the RFID industry. The licensees gain access to Savi's intellectual...

Read more


Website: https://www.controleng.com

Savi calls active RFID market mature, signs 7 licensees ...

Savi calls active RFID market mature, signs 7 licensees

By Control Engineering Staff

02/01/2007

Share

Mountain View, CA - Savi Technology , a provider of active radio frequency identification (RFID)-based technologies, said the first seven companies have licensed its active RFID technology, signaling a maturing market for the RFID industry. The licensees gain access to Savi's intellectual...

Read more


Website: https://www.controleng.com

Microsoft Business Solutions Expands Efforts to Deliver ...

Microsoft Business Solutions Expands Efforts to Deliver RFID Solutions For Small and Midmarket Segment Businesses

September 28, 2004

|

BALTIMORE, Sept. 28, 2004 -- Today at the EPCglobal US Conference 2004, Microsoft Business Solutions announced that it is expanding the scope of its Radio Frequency Identification (RFID) initiative to help small and midmarket segment businesses meet RFID...

Read more


Website: https://news.microsoft.com

RFID - Wireless RF - Atmel

RFID involves contactless reading and writing of data into an RFID tag's nonvolatile memory through an RF signal. Low frequency RFID devices typically consist of a transponder (tag) and reader.

To help you reach the extensive vertical markets that rely on RFID, we offer a broad range of contactless products. Our transponders operate within the 100 to 150kHz bandwidth range. Our RFID chips are suitable for the smallest devices and require NO external components, lowering your tag costs.

You can choose from a broad range of read or read/write devices, available as...

Read more

Date: 2017-03-04 00:09:52
Website: http://www.atmel.com

Related topics : read write rfid tags / rfid tag read range / low frequency rfid tag / low cost rfid tag reader / rfid read write module

RFID - Wireless RF - Atmel

RFID involves contactless reading and writing of data into an RFID tag's nonvolatile memory through an RF signal. Low frequency RFID devices typically consist of a transponder (tag) and reader.

To help you reach the extensive vertical markets that rely on RFID, we offer a broad range of contactless products. Our transponders operate within the 100 to 150kHz bandwidth range. Our RFID chips are suitable for the smallest devices and require NO external components, lowering your tag costs.

You can choose from a broad range of read or read/write devices, available as...

Read more

Date: 2017-03-04 00:07:41
Website: http://www.atmel.com

Related topics : read write rfid tags / rfid tag read range / low frequency rfid tag / low cost rfid tag reader / rfid read write module

Monza 4 RFID Tag Chip Datasheet – Impinj Support Portal

Download Monza 4 Datasheet

Overview

With the new Monza® 4 tag chips, Impinj builds upon the field-proven Monza chip family--well-regarded in the industry as the most reliable, consistent, flexible, and fully UHF Gen 2-compliant tag chips available. The Monza 4 family provides a variety of models to suit diverse applications, ushering in new standards in RFID privacy, tag orientation insensitivity, best and most consistent read/write performance, and memory capability.

Features

True3D[TM] antenna technology--patented,...

Read more

Date: 2016-08-24 19:22:36
Website: https://support.impinj.com

Related topics : read write rfid tags / uhf rfid tag chip / uhf gen 2 rfid tag / rfid tag chip / rfid tag read range

RFID Gen 2 - What is it? - Smart RFID! - SkyRFID Inc.

RFID Gen 2 - What is it? - Smart RFID!

The following page is a White Paper RFID on the current RFID World and what it means.

In order to understand what�Gen 2 is we first have to look at what EPC and EPCglobal means.

EPC is the new Electronic Product Code that replaces the older UPC (Universal Product Code) found on many�item labels and is a�set of numbers�plus a bar code.� Since�UPC...

Read more


Website: http://www.skyrfid.com

Related topics : uhf gen 2 rfid tag / epc class 1 passive rfid tags / rfid uhf gen 2 reader / rfid uhf gen 2 / epc gen 2 rfid tag