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  • Quality UHF RFID Antenna & Long Range RFID Antenna

    UHF RFID Antenna. 0.3KG Weight Circular Polarized Antenna, Small Size Long Distance RFID Antenna. 902-928MHz UHF RFID Antenna 8dBic For Portal Warehouse Logistics. Small Size 6dBic UHF RFID Antenna Connector Back Feed IP67 Frequency 860-960MHz. 860-960MHz 10dBic RFID Narrow Beam Antenna, Access Control Very High Gain Antennas. Long Range ...

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  • China RFID Reader, RFID Reader Manufacturers, Suppliers ...

    China Good Quality Cheap Price Long Range Distance 860 960 MHz UHF RFID Card Sticker 1 Wire USB Desktop Integrated Reader. FOB Price: US $ 498-923 Piece. Min. Order: 1 Piece. Certification: CE, ISO/IEC18000-6c/Epcglobal C1g2.

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  • EYE-SHAPED SEGMENTED READER ANTENNA FOR NEAR

    2018-1-8u2002·u2002well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1cm and 8cm, respectively. The ESS antenna is desirable for UHF near-fleld RFID reader applications. 1. INTRODUCTION Antennas, which directly afiect the stability and reliability of the radio-

    Get Price
  • COMPACT LOOP ANTENNA FOR NEAR-FIELD AND FAR

    2018-1-14u2002·u2002The typical UHF RFID reader antenna works with pure far-fleld characteristic [7{10]. Recently, a few UHF reader antennas have been considered with pure near-fleld characteristic [11{16]. But there are few papers about antenna for both near-fleld and far-fleld UHF operations, and they all have too large size to use in mobile: one

    Get Price
  • Near-Field Loop Antenna for the UHF RFID Reader

    2017-4-6u2002·u2002Near-Field Loop Antenna for the UHF RFID Reader 257 (() 0 IIeφ= −+α jφ) (1) where α denotes the loss (including the ohmic loss, dielectric loss and radiation loss) and φ=βp is the phase delay along the loop (β is the phase constant and is the path length). From (1), we can easily find that if the circumference of the loop is equal to p

    Get Price
  • UHF pure near‐field RFID reader antenna based on CSRR

    2020-12-16u2002·u2002antenna [9] and travelling wave antenna (TWA) [ 10, 11], are employed for designing the near-field reader antenna. In [ 5], single loop antenna using a large number of high frequency lumped capacitors was proposed. The interrogation zone of the antenna is 154×154mm2, but these capacitors increase the cost.

    Get Price
  • Design of near‐field ultra‐high frequency

    2020-12-14u2002·u2002Abstract: Design of ultra-high frequency radio-frequency identification (UHF RFID) reader antenna covering electrically-large near-field area is still challenging for near-field UHF RFID applications. In such design, magnetic field distribution on a large coverage area …

    Get Price
  • Research Article A Compact RFID Reader Antenna for

    2019-7-31u2002·u2002and typical UHF RFID reader antenna works with a pure far-eld characteristic [ ]. Inductively near-eld operation is usually used for objects surrounded by metals or liquids [ ]. Recently, a group of loop-type antennas have been considered with a pure near-eld characteristic [ ]. Few papers about UHF reader antenna for both near-eld and far-

    Get Price
  • Small NFC RFID Reader Near Field Communication NFC

    Plug And Play Near Field Communication RFID Reader Multiple Protocols. This desktop NFC RFID reader adopts plug and play design comging with an USB 2.0 cable and type B connector with which the device can be connected to the host fast and easy. Power supply for the reader is provided via the USB cable so no external power supply is needed.

    Get Price
  • Quality UHF RFID Antenna & Long Range RFID Antenna

    UHF RFID Antenna. 0.3KG Weight Circular Polarized Antenna, Small Size Long Distance RFID Antenna. 902-928MHz UHF RFID Antenna 8dBic For Portal Warehouse Logistics. Small Size 6dBic UHF RFID Antenna Connector Back Feed IP67 Frequency 860-960MHz. 860-960MHz 10dBic RFID Narrow Beam Antenna, Access Control Very High Gain Antennas. Long Range ...

    Get Price
  • China RFID Reader, RFID Reader Manufacturers, Suppliers ...

    China Good Quality Cheap Price Long Range Distance 860 960 MHz UHF RFID Card Sticker 1 Wire USB Desktop Integrated Reader. FOB Price: US $ 498-923 Piece. Min. Order: 1 Piece. Certification: CE, ISO/IEC18000-6c/Epcglobal C1g2.

    Get Price
  • EYE-SHAPED SEGMENTED READER ANTENNA FOR NEAR

    2018-1-8u2002·u2002well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1cm and 8cm, respectively. The ESS antenna is desirable for UHF near-fleld RFID reader applications. 1. INTRODUCTION Antennas, which directly afiect the stability and reliability of the radio-

    Get Price
  • COMPACT LOOP ANTENNA FOR NEAR-FIELD AND FAR

    2018-1-14u2002·u2002The typical UHF RFID reader antenna works with pure far-fleld characteristic [7{10]. Recently, a few UHF reader antennas have been considered with pure near-fleld characteristic [11{16]. But there are few papers about antenna for both near-fleld and far-fleld UHF operations, and they all have too large size to use in mobile: one

    Get Price
  • Near-Field Loop Antenna for the UHF RFID Reader

    2017-4-6u2002·u2002Near-Field Loop Antenna for the UHF RFID Reader 257 (() 0 IIeφ= −+α jφ) (1) where α denotes the loss (including the ohmic loss, dielectric loss and radiation loss) and φ=βp is the phase delay along the loop (β is the phase constant and is the path length). From (1), we can easily find that if the circumference of the loop is equal to p

    Get Price
  • UHF pure near‐field RFID reader antenna based on CSRR

    2020-12-16u2002·u2002antenna [9] and travelling wave antenna (TWA) [ 10, 11], are employed for designing the near-field reader antenna. In [ 5], single loop antenna using a large number of high frequency lumped capacitors was proposed. The interrogation zone of the antenna is 154×154mm2, but these capacitors increase the cost.

    Get Price
  • A Compact RFID Reader Antenna for UHF Near-Field and

    2013-8-14u2002·u2002A compact loop antenna is presented for mobile ultrahigh frequency (UHF) radio frequency identification (RFID) application. This antenna, printed on a 0.8 mm thick FR4 substrate with a small size of 31 mm × 31 mm, achieves good impedance bandwidth from 897 to 928 MHz, which covers USA RFID Band (902–928 MHz).

    Get Price
  • Design of near‐field ultra‐high frequency

    2020-12-14u2002·u2002Abstract: Design of ultra-high frequency radio-frequency identification (UHF RFID) reader antenna covering electrically-large near-field area is still challenging for near-field UHF RFID applications. In such design, magnetic field distribution on a large coverage area …

    Get Price
  • Research Article A Compact RFID Reader Antenna for

    2019-7-31u2002·u2002and typical UHF RFID reader antenna works with a pure far-eld characteristic [ ]. Inductively near-eld operation is usually used for objects surrounded by metals or liquids [ ]. Recently, a group of loop-type antennas have been considered with a pure near-eld characteristic [ ]. Few papers about UHF reader antenna for both near-eld and far-

    Get Price
  • Small NFC RFID Reader Near Field Communication NFC

    Plug And Play Near Field Communication RFID Reader Multiple Protocols. This desktop NFC RFID reader adopts plug and play design comging with an USB 2.0 cable and type B connector with which the device can be connected to the host fast and easy. Power supply for the reader is provided via the USB cable so no external power supply is needed.

    Get Price
  • Quality UHF RFID Antenna & Long Range RFID Antenna

    UHF RFID Antenna. 0.3KG Weight Circular Polarized Antenna, Small Size Long Distance RFID Antenna. 902-928MHz UHF RFID Antenna 8dBic For Portal Warehouse Logistics. Small Size 6dBic UHF RFID Antenna Connector Back Feed IP67 Frequency 860-960MHz. 860-960MHz 10dBic RFID Narrow Beam Antenna, Access Control Very High Gain Antennas. Long Range ...

    Get Price
  • China RFID Reader, RFID Reader Manufacturers, Suppliers ...

    China Good Quality Cheap Price Long Range Distance 860 960 MHz UHF RFID Card Sticker 1 Wire USB Desktop Integrated Reader. FOB Price: US $ 498-923 Piece. Min. Order: 1 Piece. Certification: CE, ISO/IEC18000-6c/Epcglobal C1g2.

    Get Price
  • EYE-SHAPED SEGMENTED READER ANTENNA FOR NEAR

    2018-1-8u2002·u2002well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1cm and 8cm, respectively. The ESS antenna is desirable for UHF near-fleld RFID reader applications. 1. INTRODUCTION Antennas, which directly afiect the stability and reliability of the radio-

    Get Price
  • COMPACT LOOP ANTENNA FOR NEAR-FIELD AND FAR

    2018-1-14u2002·u2002The typical UHF RFID reader antenna works with pure far-fleld characteristic [7{10]. Recently, a few UHF reader antennas have been considered with pure near-fleld characteristic [11{16]. But there are few papers about antenna for both near-fleld and far-fleld UHF operations, and they all have too large size to use in mobile: one

    Get Price
  • Near-Field Loop Antenna for the UHF RFID Reader

    2017-4-6u2002·u2002Near-Field Loop Antenna for the UHF RFID Reader 257 (() 0 IIeφ= −+α jφ) (1) where α denotes the loss (including the ohmic loss, dielectric loss and radiation loss) and φ=βp is the phase delay along the loop (β is the phase constant and is the path length). From (1), we can easily find that if the circumference of the loop is equal to p

    Get Price
  • UHF pure near‐field RFID reader antenna based on CSRR

    2020-12-16u2002·u2002antenna [9] and travelling wave antenna (TWA) [ 10, 11], are employed for designing the near-field reader antenna. In [ 5], single loop antenna using a large number of high frequency lumped capacitors was proposed. The interrogation zone of the antenna is 154×154mm2, but these capacitors increase the cost.

    Get Price
  • A Compact RFID Reader Antenna for UHF Near-Field and

    2013-8-14u2002·u2002A compact loop antenna is presented for mobile ultrahigh frequency (UHF) radio frequency identification (RFID) application. This antenna, printed on a 0.8 mm thick FR4 substrate with a small size of 31 mm × 31 mm, achieves good impedance bandwidth from 897 to 928 MHz, which covers USA RFID Band (902–928 MHz).

    Get Price
  • Design of near‐field ultra‐high frequency

    2020-12-14u2002·u2002Abstract: Design of ultra-high frequency radio-frequency identification (UHF RFID) reader antenna covering electrically-large near-field area is still challenging for near-field UHF RFID applications. In such design, magnetic field distribution on a large coverage area …

    Get Price
  • Research Article A Compact RFID Reader Antenna for

    2019-7-31u2002·u2002and typical UHF RFID reader antenna works with a pure far-eld characteristic [ ]. Inductively near-eld operation is usually used for objects surrounded by metals or liquids [ ]. Recently, a group of loop-type antennas have been considered with a pure near-eld characteristic [ ]. Few papers about UHF reader antenna for both near-eld and far-

    Get Price
  • Small NFC RFID Reader Near Field Communication NFC

    Plug And Play Near Field Communication RFID Reader Multiple Protocols. This desktop NFC RFID reader adopts plug and play design comging with an USB 2.0 cable and type B connector with which the device can be connected to the host fast and easy. Power supply for the reader is provided via the USB cable so no external power supply is needed.

    Get Price
  • Quality UHF RFID Antenna & Long Range RFID Antenna

    UHF RFID Antenna. 0.3KG Weight Circular Polarized Antenna, Small Size Long Distance RFID Antenna. 902-928MHz UHF RFID Antenna 8dBic For Portal Warehouse Logistics. Small Size 6dBic UHF RFID Antenna Connector Back Feed IP67 Frequency 860-960MHz. 860-960MHz 10dBic RFID Narrow Beam Antenna, Access Control Very High Gain Antennas. Long Range ...

    Get Price
  • China RFID Reader, RFID Reader Manufacturers, Suppliers ...

    China Good Quality Cheap Price Long Range Distance 860 960 MHz UHF RFID Card Sticker 1 Wire USB Desktop Integrated Reader. FOB Price: US $ 498-923 Piece. Min. Order: 1 Piece. Certification: CE, ISO/IEC18000-6c/Epcglobal C1g2.

    Get Price
  • EYE-SHAPED SEGMENTED READER ANTENNA FOR NEAR

    2018-1-8u2002·u2002well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1cm and 8cm, respectively. The ESS antenna is desirable for UHF near-fleld RFID reader applications. 1. INTRODUCTION Antennas, which directly afiect the stability and reliability of the radio-

    Get Price
  • COMPACT LOOP ANTENNA FOR NEAR-FIELD AND FAR

    2018-1-14u2002·u2002The typical UHF RFID reader antenna works with pure far-fleld characteristic [7{10]. Recently, a few UHF reader antennas have been considered with pure near-fleld characteristic [11{16]. But there are few papers about antenna for both near-fleld and far-fleld UHF operations, and they all have too large size to use in mobile: one

    Get Price
  • Near-Field Loop Antenna for the UHF RFID Reader

    2017-4-6u2002·u2002Near-Field Loop Antenna for the UHF RFID Reader 257 (() 0 IIeφ= −+α jφ) (1) where α denotes the loss (including the ohmic loss, dielectric loss and radiation loss) and φ=βp is the phase delay along the loop (β is the phase constant and is the path length). From (1), we can easily find that if the circumference of the loop is equal to p

    Get Price
  • UHF pure near‐field RFID reader antenna based on CSRR

    2020-12-16u2002·u2002antenna [9] and travelling wave antenna (TWA) [ 10, 11], are employed for designing the near-field reader antenna. In [ 5], single loop antenna using a large number of high frequency lumped capacitors was proposed. The interrogation zone of the antenna is 154×154mm2, but these capacitors increase the cost.

    Get Price
  • A Compact RFID Reader Antenna for UHF Near-Field and

    2013-8-14u2002·u2002A compact loop antenna is presented for mobile ultrahigh frequency (UHF) radio frequency identification (RFID) application. This antenna, printed on a 0.8 mm thick FR4 substrate with a small size of 31 mm × 31 mm, achieves good impedance bandwidth from 897 to 928 MHz, which covers USA RFID Band (902–928 MHz).

    Get Price
  • Design of near‐field ultra‐high frequency

    2020-12-14u2002·u2002Abstract: Design of ultra-high frequency radio-frequency identification (UHF RFID) reader antenna covering electrically-large near-field area is still challenging for near-field UHF RFID applications. In such design, magnetic field distribution on a large coverage area …

    Get Price
  • Research Article A Compact RFID Reader Antenna for

    2019-7-31u2002·u2002and typical UHF RFID reader antenna works with a pure far-eld characteristic [ ]. Inductively near-eld operation is usually used for objects surrounded by metals or liquids [ ]. Recently, a group of loop-type antennas have been considered with a pure near-eld characteristic [ ]. Few papers about UHF reader antenna for both near-eld and far-

    Get Price
  • Small NFC RFID Reader Near Field Communication NFC

    Plug And Play Near Field Communication RFID Reader Multiple Protocols. This desktop NFC RFID reader adopts plug and play design comging with an USB 2.0 cable and type B connector with which the device can be connected to the host fast and easy. Power supply for the reader is provided via the USB cable so no external power supply is needed.

    Get Price
  • Quality UHF RFID Antenna & Long Range RFID Antenna

    UHF RFID Antenna. 0.3KG Weight Circular Polarized Antenna, Small Size Long Distance RFID Antenna. 902-928MHz UHF RFID Antenna 8dBic For Portal Warehouse Logistics. Small Size 6dBic UHF RFID Antenna Connector Back Feed IP67 Frequency 860-960MHz. 860-960MHz 10dBic RFID Narrow Beam Antenna, Access Control Very High Gain Antennas. Long Range ...

    Get Price
  • China RFID Reader, RFID Reader Manufacturers, Suppliers ...

    China Good Quality Cheap Price Long Range Distance 860 960 MHz UHF RFID Card Sticker 1 Wire USB Desktop Integrated Reader. FOB Price: US $ 498-923 Piece. Min. Order: 1 Piece. Certification: CE, ISO/IEC18000-6c/Epcglobal C1g2.

    Get Price
  • EYE-SHAPED SEGMENTED READER ANTENNA FOR NEAR

    2018-1-8u2002·u2002well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1cm and 8cm, respectively. The ESS antenna is desirable for UHF near-fleld RFID reader applications. 1. INTRODUCTION Antennas, which directly afiect the stability and reliability of the radio-

    Get Price
  • COMPACT LOOP ANTENNA FOR NEAR-FIELD AND FAR

    2018-1-14u2002·u2002The typical UHF RFID reader antenna works with pure far-fleld characteristic [7{10]. Recently, a few UHF reader antennas have been considered with pure near-fleld characteristic [11{16]. But there are few papers about antenna for both near-fleld and far-fleld UHF operations, and they all have too large size to use in mobile: one

    Get Price
  • Near-Field Loop Antenna for the UHF RFID Reader

    2017-4-6u2002·u2002Near-Field Loop Antenna for the UHF RFID Reader 257 (() 0 IIeφ= −+α jφ) (1) where α denotes the loss (including the ohmic loss, dielectric loss and radiation loss) and φ=βp is the phase delay along the loop (β is the phase constant and is the path length). From (1), we can easily find that if the circumference of the loop is equal to p

    Get Price
  • UHF pure near‐field RFID reader antenna based on CSRR

    2020-12-16u2002·u2002antenna [9] and travelling wave antenna (TWA) [ 10, 11], are employed for designing the near-field reader antenna. In [ 5], single loop antenna using a large number of high frequency lumped capacitors was proposed. The interrogation zone of the antenna is 154×154mm2, but these capacitors increase the cost.

    Get Price
  • A Compact RFID Reader Antenna for UHF Near-Field and

    2013-8-14u2002·u2002A compact loop antenna is presented for mobile ultrahigh frequency (UHF) radio frequency identification (RFID) application. This antenna, printed on a 0.8 mm thick FR4 substrate with a small size of 31 mm × 31 mm, achieves good impedance bandwidth from 897 to 928 MHz, which covers USA RFID Band (902–928 MHz).

    Get Price
  • Design of near‐field ultra‐high frequency

    2020-12-14u2002·u2002Abstract: Design of ultra-high frequency radio-frequency identification (UHF RFID) reader antenna covering electrically-large near-field area is still challenging for near-field UHF RFID applications. In such design, magnetic field distribution on a large coverage area …

    Get Price
  • Research Article A Compact RFID Reader Antenna for

    2019-7-31u2002·u2002and typical UHF RFID reader antenna works with a pure far-eld characteristic [ ]. Inductively near-eld operation is usually used for objects surrounded by metals or liquids [ ]. Recently, a group of loop-type antennas have been considered with a pure near-eld characteristic [ ]. Few papers about UHF reader antenna for both near-eld and far-

    Get Price
  • Small NFC RFID Reader Near Field Communication NFC

    Plug And Play Near Field Communication RFID Reader Multiple Protocols. This desktop NFC RFID reader adopts plug and play design comging with an USB 2.0 cable and type B connector with which the device can be connected to the host fast and easy. Power supply for the reader is provided via the USB cable so no external power supply is needed.

    Get Price
  • Secure Entrances with Reliable 20cm rfid - Alibaba.com

    About product and suppliers: 20cm rfid sets are computer-controlled cards situated at the entrances of buildings to ensure security.20cm rfid devices enable only authorized person to enter into the safeguarded area.The 20cm rfid can be swiped or waved in front of a reader, which then verifies the information before allowing access. They have a particular chip installed in them that …

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  • UHF RFID Reader manufacturers long range rfid reader factory

    The UHF RFID reader is RFID long range reader with 860 to 960 MHz band, Comply with the global, universally adopted UHF Gen2 standard (EPCglobal Gen2 ISO 18000-63)Ultra-High Frequency RFID readers have the fastest reading speed and the longest read range. While near-range UHF passive RFID tags are an option, compared to HF RFID tags, near-range ...

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  • Passive RFID Tags

    The passive RFID tags have no power and get a signal from an RFID reader. The RFID reader transmits energy to an antenna, which turns it into an RF wave that is transmitted into the read zone. The passive RFID tags's internal antenna absorbs energy from the RF waves after the passive RFID tag is read within the read zone.

    Get Price
  • Dual-Band RFID Antenna for 0.92 GHz Near-Field and 2.45 ...

    2017-7-10u2002·u2002A novel antenna used in the near field of a 0.92 GHz and the far field of a 2.45 GHz RFID reader system is investigated. The new antenna achieves strong magnetic field distribution over 0.92 GHz with good performance of detecting tags when applied in FCC RFID systems, as well as a good performance of circular polarization at 2.45 GHz.

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  • Achieving uniform perpendicular magnetic field ...

    2016-1-1u2002·u2002An UHF near-field RFID system is generally composed of reader, reader antenna and near-field tags. The reader antenna is designed to generate a perpendicular magnetic field near the antenna. Tags are usually designed as small loop antennas so that the power can be transferred from the reader antenna through inductive coupling.

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  • An ultra-thin double-functional metasurface patch antenna ...

    2021-1-13u2002·u2002An ultra-thin double-functional metasurface patch antenna (MPA) was proposed, where it can operate not only in the antenna mode but also …

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  • What I Wish Everyone Knew About RFID Chips - Xinyetong

    2021-10-20u2002·u2002RFID chips, the most important part of RFID tags, play a crucial role. RFID chip usually has a built-in antenna and an integrated circuit IC. Antennas can send and receive radio waves, while IC is responsible for modulating and demodulating radio signals, as well as processing and storing data. According to the working frequency, RFID chips can ...

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  • US10326204B2 - Switchable, oscillating near-field and far ...

    Disclosed is a system and method of a switchable, oscillating near-field and far-field antenna that may be used in access control systems. A controller is coupled to a transceiver, wherein the transceiver comprises an antenna module that includes both a near-field antenna and a far-field antenna. The near-field antenna is a subset of the far-field antenna, and the controller is adapted …

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  • Basics of measuring antenna properties

    2017-9-8u2002·u2002Basics of measuring antenna properties. An antenna is simply a conductor or conductor array, usually metal. But how it is situated and terminated that determines its behavior in transmitting and/or receiving electromagnetic radiation. Let's start with an antenna that is configured to transmit.

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