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A 4dBi UHF RFID antenna is a compact, generally circular-polarized component designed for 860-960MHz, balancing moderate read range with wide coverage. Ideal for close-range tracking (e.g., access control, smart shelves, handhelds), these ceramic or patch antennas are lightweight, easily installed via SMA connectors, and often used in high-density, near-field, or short-range logistics environments.
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Web results
4dBi UHF RFID Patch Ceramic Antenna
RFID LIFE
https://rfid-life.com › product › 4dBi-UHF-RFID-Patch-...
RFID LIFE
https://rfid-life.com › product › 4dBi-UHF-RFID-Patch-...
This ceramic antenna is designed for handheld reader application, PCB board structure, small in size, with cable, easily installed. ○ Low Weight, Compact SizeRead more
Directional 4 dBi Ceramic UHF RFID Antenna, 902-920 ...
GAO Tek
https://gaotek.com › product › directional-4-dbi-cerami...
GAO Tek
https://gaotek.com › product › directional-4-dbi-cerami...
Enhance system efficiency with this UHF RFID antenna, featuring SMA-Female connectivity, IP65 rating, and circular polarization.
$45 delivery
UHF RFID Antenna
jtspeedwork
https://www.jtspeedwork.com › category › uhf-rfid-ante...
jtspeedwork
https://www.jtspeedwork.com › category › uhf-rfid-ante...
JTSPEEDWORK JT-T0060 is a 4dBi UHF RFID ceramic antenna with 860-960MHz, RHCP circular polarization and ≤1.5 VSWR. It features compact size, stable performance ...Read more
4dbi UHF RFID Circular Polarization Antenna VA-94R
vanch
https://www.vanch.net › products_details › 4dbi_UHF_R...
vanch
https://www.vanch.net › products_details › 4dbi_UHF_R...
Improve your RFID system's performance with the 4dbi UHF RFID Circular Polarization Antenna. The antenna is small in size, with lead-out cables, easy to install ...Read more
4dBi FCC UHF Integrated RFID Reader Antenna
Airplux
https://airpluxtec.com › 4dbi-fcc-uhf-integrated-rfid-read...
Airplux
https://airpluxtec.com › 4dbi-fcc-uhf-integrated-rfid-read...
Electrical Specifications. Frequency. 902-928MHz. Gain. 4dBi. Beam width. Hor：60° Ver：60°. Polarization. Circular. VSWR. ≤1.4. F/B Ratio. ≥20. Impedance.Read more
860-960mhz 4dbi circular ceramic uhf rfid antenna ANT-CR
rtecrfid.com
https://www.rtecrfid.com › Products › RFID Antennas
rtecrfid.com
https://www.rtecrfid.com › Products › RFID Antennas
Get the best performance for your UHF RFID system with our 860-960MHz 4dBi circular ceramic antenna. ANT-CR is designed for high accuracy and durability.
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People also ask
Is a 4.5 dBi UHF antenna good?
4.5 dB – 6.5 dB are very capable antennas for off roading as they provide great radiation patterns.
UHF Antenna - 4 Wheeling Australia.
4 Wheeling Australia.
https://www.4-wheeling-in-western-australia.com › uhf-a...
4 Wheeling Australia.
https://www.4-wheeling-in-western-australia.com › uhf-a...
What is UHF RFID used for?
There are plenty of uses for UHF RFID systems in supply chain management that assist with managing high-value assets as they move across the supply chain. Examples: Asset tagging and management. Real-time location systems.
What is UHF RFID & RAIN RFID? - Jadak
Jadak
https://www.jadaktech.com › blog-posts › what-is-uhf-rfi...
Jadak
https://www.jadaktech.com › blog-posts › what-is-uhf-rfi...
Which dBi antenna is best?
A medium gain antenna (6.6, 5.1 dBi) has a more rounded, wider pattern than a high gain antenna. This means the signal is less likely to be obstructed by obstacles such as buildings, trees or mountains. These factors make a medium gain antenna the best choice for those in suburban areas and the country side.
Understanding Antenna Gain and dBi - GME
GME
https://www.gme.net.au › news › understanding-antenna-...
GME
https://www.gme.net.au › news › understanding-antenna-...
What is the purpose of an antenna in an UHF RFID system?
UHF antennas in an RFID system serve the crucial role of communicating with RFID tags to facilitate data transmission and identification. They effectively receive signals from RFID tags and transmit them to RFID readers for decoding and processing.
Concepts, Functions, and Applications of a UHF Antennas - RFID Label
RFID Label
https://www.rfidlabel.com › concepts-functions-and-appl...
RFID Label
https://www.rfidlabel.com › concepts-functions-and-appl...
Web results
4dBi UHF RFID Industrial Reader TY201
TENHANYUN
https://www.tenhanyun.com › productinfo
TENHANYUN
https://www.tenhanyun.com › productinfo
TY201 has a built-in 4dbi antenna, the reading distance can reach 4 meters. It can achieve fast reading and writing of electronic tags while maintaining ...Read more
UHF RFID Reader Antenna for Near-Field and Far- ...
IEEE
https://ieeexplore.ieee.org › document
IEEE
https://ieeexplore.ieee.org › document
by B Shrestha2011Cited by 95 — Its linearly polarized radiation pattern provides a 4-dBi gain. The reading capabilities of the antenna are up to 9 cm and 6 m for near-field ...Read more
4dbi 902-928MHz UHF RFID Ceramic Antenna Full Size ...
AliExpress
https://www.aliexpress.com › item
AliExpress
https://www.aliexpress.com › item
4dbi 902-928MHz UHF RFID Ceramic Antenna Full Size Custom-Made Connector SMA MMCX RFID integrated For Reader Module. 10 sold. US $7.80.Read more
$7.8015-day returns
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Web results
4dBi Antenna Model
RFID LIFE
https://rfid-life.com › download › 4dBi-Antenna-Model
RFID LIFE
https://rfid-life.com › download › 4dBi-Antenna-Model
RFID Antenna Manual. DOWNLOAD. 4dBi Antenna Model. PREVIOUS：R200 UHF RFID Module Development Handbook NEXT：RFID Reader Demo Software. RELATED DOWNLOAD.Read more