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A 3dBi UHF Ceramic Antenna is a compact, high-sensitivity dielectric patch antenna typically used in UHF RFID readers, handheld terminals, and embedded IoT devices. Operating generally in the 860-960 MHz range, these antennas offer Circular Polarization (RHCP), making them ideal for identifying tags regardless of orientation.
Key Specifications & Features
- Gain: 3 dBi (sometimes 2.5dBi - 3dBi).
- Frequency Range: Covers UHF RFID bands, typically 865-868 MHz (EU) and 902-928 MHz (US).
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Web results
3dBi UHF ceramic antenna - DO RFID Reader Manufacturer
dorfidreader.com
https://www.dorfidreader.com › Blog
dorfidreader.com
https://www.dorfidreader.com › Blog
A 3dBi UHF ceramic antenna is a compact antenna designed for Ultra High Frequency (UHF) applications, typically operating in the 860–960 MHz range. It uses ...
GAORFID Small Form Factor 3dBi Ceramic Antenna
GAO RFID
https://gaorfid.com › product › gaorfid-small-form-fact...
GAO RFID
https://gaorfid.com › product › gaorfid-small-form-fact...
A dielectric ceramic antenna with an operating frequency of 860~960MHz. It features an antenna that is 2.42 x 2.42 in (61.5 x 61.5 mm) and a 2.8 x 2.8 in (Read more
CF-RA4040 UHF 3dBi ceramic antenna
Chafon
https://www.chafon.com › productinfo
Chafon
https://www.chafon.com › productinfo
CF-RA4040 UHF 3dBi ceramic antenna ; RFID Parameters ; Frequency. 865-868MHz（EU）. 902~928MHz（US） ; Gain. 3dBi (dual feed) ; Rear connector model. 30cm feed line.Read more
3dBi UHF RFID ceramic antenna for making RFID handheld reader
rayfineiot.com
https://rayfineiot.com › All Collections › RFID antenna
rayfineiot.com
https://rayfineiot.com › All Collections › RFID antenna
The UHF RFID ceramic antenna is integrated with ceramic material and PCB, with a gain of 3 dBi, supporting long-distance reading, and a maximum reading distance ...
JT-T0036 3dBi UHF RFID Ceramic Antenna 36*36mm 865-868/ ...
jtspeedwork
https://www.jtspeedwork.com › UHF RFID Antenna
jtspeedwork
https://www.jtspeedwork.com › UHF RFID Antenna
JTSPEEDWORK JT-T0036 is a 3dBi UHF RFID ceramic antenna (36*36mm) with RHCP polarization, 50ohm impedance and ≤1.5 VSWR. Compact, high-sensitivity, it's ideal ...
HR-3dbi UHF RFID Antennas
hyperrfid.com
https://hyperrfid.com › Shop › RFID
hyperrfid.com
https://hyperrfid.com › Shop › RFID
HR-3dbi Ultra High Frequency (UHF) RFID Antennas are easy-to-install dielectric ceramic type antennas that exhibit Right Hand Circular Polarization (RHCP).Read more
UHF RFID Ceramic Antenna – APCA3540S
Airplux
https://airpluxtec.com › uhf-rfid-ceramic-antenna-apca35...
Airplux
https://airpluxtec.com › uhf-rfid-ceramic-antenna-apca35...
Product Specifications ; Frequency. 915MHz/866.5MHz ; Gain. 3dBi ; Polarization. Circular ; Axial ratio. ≤5dB ; Impedance. 50Ω.Read more
CHAFON Uhf Integrated Rfid Reader Module Built in 3dbi ...
AliExpress
https://www.aliexpress.com › item
AliExpress
https://www.aliexpress.com › item
CHAFON Uhf Integrated Rfid Reader Module Built in 3dbi Ceramic Antenna With Long Range up 1 Meter Distance. US $53.29. Tax excluded, add at checkout if ...
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CHAFON 3 Dbi UHF Ceramic Antenna for Access Control Readers
Alibaba.com
https://www.alibaba.com › product-detail › CHAFON-L...
Alibaba.com
https://www.alibaba.com › product-detail › CHAFON-L...
CHAFON Long Range UHF 865~868MHz 3dbi Ceramic RFID Antenna for Access Control Card Readers. Ideal for ISO 18000-6C protocol, 100 MHz bandwidth, ...
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People also ask
Is a 3dBi antenna good?
Choosing the Right Antenna:
While the 3dbi antenna excels in shorter-range and omnidirectional scenarios, the 8dbi antenna caters to applications demanding longer-range communication with a more focused signal.Mar 10, 2024
While the 3dbi antenna excels in shorter-range and omnidirectional scenarios, the 8dbi antenna caters to applications demanding longer-range communication with a more focused signal.Mar 10, 2024
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Are ceramic antennas good?
Advantages of ceramic antennas include a compact footprint and relatively good performance for many short-range wireless applications.Sep 12, 2025
Antenna Basics and Ceramic Antenna Principles - ALLPCB
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What is a 3dBi antenna?
The 3dBi GSM Magnetic Mount Spring Antenna is a versatile and efficient antenna designed for enhancing GSM signal reception in various applications. With a gain of 3dBi, this antenna is ideal for improving the signal strength of GSM devices, ensuring better connectivity and communication in areas with weak signals.
3DBI GSM Magnetic Mount Spring Antenna - Electronic Spices
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Web results
3dbi small size uhf pcb rfid external antenna ANT-SW
rtecrfid.com
https://www.rtecrfid.com › Products › RFID Antennas
rtecrfid.com
https://www.rtecrfid.com › Products › RFID Antennas
The antenna's UHF range, typically operating between 860 MHz and 960 MHz, allows it to be used in a wide variety of RFID applications, including asset ...Read more