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A 2.4G Omni-directional RFID reader is
a long-range, high-performance device that uses the 2.4GHz ISM band to communicate with active RFID tags, providing 360-degree coverage for automated identification, tracking, and positioning in applications like asset management, vehicle access, and personnel tracking, featuring strong anti-collision, long read distances (up to 80m+), and various interface options. Key Features
- Frequency: Operates in the 2.4GHz (2.45GHz) microwave band, part of the Industrial, Scientific, and Medical (ISM) band.
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2.4G Active Omni reader Directional RFID ... - XMINNOV
RFID Tag World
https://www.rfidtagworld.com › products › RFID-Reade...
RFID Tag World
https://www.rfidtagworld.com › products › RFID-Reade...
A high-performance, multi-frequency and scalable split 2.4GHz active reader with high sensitivity, long reading distance, and strong anti-collision performance.Read more
$250.00(95)
2.4G Omni-directional RFID Reader IDL-RGR08
idlintech.com
https://www.idlintech.com › product › 2.4g-omni-direct...
idlintech.com
https://www.idlintech.com › product › 2.4g-omni-direct...
2.4G Omni-directional RFID Reader IDL-RGR08 2.4G Omni-directional RFID Reader can read up to 80m.This active RFID Reader is designed for parking system, ...
2.45 GHz RFID Readers | Active RFID Readers
GAO RFID
https://gaorfid.com › RFID Readers by Frequency
GAO RFID
https://gaorfid.com › RFID Readers by Frequency
The 2.45 GHz active RFID readers make use of an omni-directional antenna to identify transponder tagged items up to 100 meters in all directions. Users can ...Read more
2.4G Omni-directional Active RFID Reader,2.4GHz ...
Shenzhen Jietong Technology Co.,Ltd
https://www.jtspeedwork.com › 2-4g-active-rfid-reader-...
Shenzhen Jietong Technology Co.,Ltd
https://www.jtspeedwork.com › 2-4g-active-rfid-reader-...
2.4GHz RFID reader. Data transmission module with integrity structure and full-function. It includes RF Module,central control unit, input/output ports, ...Read more
active 2.45ghz rfid readers
sanrayrfid
https://www.sanrayrfid.com › ...
sanrayrfid
https://www.sanrayrfid.com › ...
The F2413 omnidirectional reader is an active RFID reader that works in the 2.45GHz frequency band. It has the characteristics of wide recognition range, high ...
2.45G Omni-directional Active RFID Reader for Real-Time Inventory ...
goldbridgesz.com
https://www.goldbridgesz.com › products › 245G-Omni-...
goldbridgesz.com
https://www.goldbridgesz.com › products › 245G-Omni-...
2.45G Omni-directional Active RFID Reader for Real-Time Inventory in Warehouse or Supermarket · Working frequency:2.4G ISM (2402~2483MHz) · Size:230.6*164*72mm ...
People also ask
Does aluminum foil really block RFID?
How it works (and why it fails):
- Reflection/Absorption:Aluminum foil reflects and absorbs the radio waves used by RFID readers, interfering with the communication between the card and the reader.
- Inconsistency:Even tiny gaps, tears, or folds in the foil create weak points, allowing signals to escape or “jump” over the shield, especially with more powerful modern readers.
- Not a perfect conductor:While metal, foil isn't a perfect conductor, so it might only inhibit reading from long distances, not guarantee complete blockage, especially up close.
Better Alternatives:
- RFID-Blocking Wallets/Sleeves:These are specifically designed with layers of metal or other materials to provide consistent, reliable shielding.
- Turn Off NFC:For phones, simply disabling the Near Field Communication (NFC) setting when not in use is an effective way to prevent unauthorized scans.
The Verdict:
Aluminum foil is a cheap, temporary fix that offers some protection, but for genuine security against advanced skimming, especially when traveling or carrying sensitive cards, investing in a proper RFID-blocking product is highly recommended.
AI responses may include mistakes. Learn more
Does aluminum foil really block RFID signals? : r/askscience
Sep 4, 2013
Reddit ·
r/askscience
Does foil block RFID? Myths and biases
So, can aluminum foil block RFID? Aluminum foil only reduces the effectiveness of card readers and interferes with the performance...
RFID Cloaked
LPT: an inexpensive way to protect against RFID attacks is to tape ...
Oct 24, 2024 — Comments Section * keepthetips. MOD • 1y ago • • Edited 1y ago. This post has been marked as safe. Upvoting/downvotin...
Reddit
RFID blocking: What it is, how it works, and why you may need it
Mar 14, 2025 — Aluminum foil has mixed results in blocking RFID tags. While it can deflect the electromagnetic signals used by RFID,
Norton
The Truth About RFID Signals: Aluminum Foil, Smartphones, and ...
Oct 18, 2025 — Metal and liquids absorb or reflect RF waves. A tag on a metal surface may read only half as far unless it's a special...
Cykeo
Does aluminum foil in your wallet protect my RFID cards?
Aug 28, 2025 — So, does aluminum foil in your wallet protect your RFID cards? Yes—but only partially. It can block signals in some ca...
Innovative Haus
Is aluminum foil a good RFID blocker? - Innovative Haus
Sep 29, 2025 — Does aluminum foil completely block RFID signals? Not always. Aluminum foil can disrupt or weaken RFID signals, but it...
Innovative Haus
Does Aluminum Foil Stop Identity Theft?
Nov 13, 2017 — Aluminum foil is not a foolproof method for protecting your credit cards. Some sources say that aluminum foil can: * *
Legal Shred
Does aluminum foil shield RFID? - Quora
Mar 11, 2017 — Does aluminum foil go off in a metal detector? ... My esteemed colleagues are partially correct. A magnetometer won't ...
Quora
Top 5 Myths About Faraday Cages and Boxes Debunked
Jun 19, 2025 — The Myth: Wrapping your phone or device in foil gives you full protection from RF signals. The Truth: Foil might tempo...
Ramsey Electronics
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Can phones read UHF RFID?
It is important to note that a phone's NFC functionality generally cannot read Ultra-High Frequency (UHF) RFID tags, which are commonly used for long-range logistics and apparel inventory management. Reading UHF tags typically requires a dedicated handheld reader or an accessory with a UHF module.
10 Cool Things You Can Do: Read RFID With Phone!
RFID Label
https://www.rfidlabel.com › 10-cool-things-you-can-do-r...
RFID Label
https://www.rfidlabel.com › 10-cool-things-you-can-do-r...
How far away do RFID scanners work?
By RFID Tag Type
- Low-Frequency (LF) & High-Frequency (HF):Short range, < 1 meter (inches to ~3 ft). Used for animal ID, access cards, libraries.
- Ultra-High Frequency (UHF) Passive:Mid-range, 1-15 meters (10-50 ft). Common for retail, logistics, warehouses.
- Battery-Assisted Passive (BAP):Extended range (up to 30m) using battery to boost signal, good for IoT/cold chain.
- Active:Longest range (100m+), tags have batteries to broadcast signals. Used for vehicle tracking, large asset management.
Key Factors Affecting Range
- Tag Design:Larger antennas and tags generally offer longer reads.
- Reader & Antenna:Higher power readers and specialized antennas (like phased arrays) extend range.
- Environment:Metal and liquids significantly reduce passive tag range, sometimes to inches.
- Frequency:Lower frequencies penetrate better but have shorter ranges; UHF offers longer reads but is more sensitive to interference.
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Can RFID Be Used for Long-Range Scanning?
Radio frequency identification is a relatively short-range automatic-identification technology. Passive low-frequency (LF) and hig...
RFID Journal
What Is an RFID Reader's Maximum Range? - RFID JOURNAL
An active RFID system can read tags from 1,500 feet away or more, as the tags broadcast a signal and the systems are designed for ...
RFID Journal
What is the read range for a typical RFID tag?
There really is no such thing as a “typical” RFID tag, and the read range depends on whether the tag is active or passive. Active ...
RFID Journal
What Affects RFID Read Range? 5 Tips on Improving Your ...
RFID Tag Size Tag size directly correlates to read range, the smaller the tag, the shorter the read range. Passive RFID tags can v...
atlasRFIDstore
What is the read range for a typical RFID tag?
Aug 30, 2024
GS1 GO Customer Service Portal
Maximizing RFID Tag Read Range: A Complete Guide for Reliable ...
AssetPulse.com
Understanding choosing RFID tag based on the tag frequency - RFID4U
The ultra high frequency range includes frequencies from 300 to 1000 MHz, but only two frequency ranges, 433 MHz and 860–960 MHz,
RFID4U
What is the read range of passive UHF RFID tags? – inLogic Blog
Type of asset being tagged The material that the asset is made of can have an impact on the read range of a tag. Some assets may h...
inlogic.com
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What are the disadvantages of using RFID tags?
The main disadvantages of RFID tags include high initial costs, vulnerability to signal interference from metal and liquids, significant privacy and security risks (unauthorized reading/tracking), and challenges with standardization across different systems, plus potential environmental impacts and technical complexities like battery life for active tags. While offering benefits, these drawbacks require careful consideration for implementation.
Technical Limitations
- Material Interference:Metal can block signals, and liquids can absorb them, causing inaccurate reads; specialized tags are needed.
- Reader/Tag Issues:In complex environments, ensuring accurate reads and preventing "stray reads" (unintended scans) requires proper design.
- Active Tag Drawbacks:Active tags (with batteries) add bulk, have limited battery life (3-5 years), and can create system "noise".
Cost & Implementation
- High Initial Investment: RFID systems (readers, software, tags) are generally more expensive than barcode systems.
- Complex Setup: Implementation is often more time-consuming and complex than barcoding.
- Tag Specificity: "No one tag fits all," meaning tags are application-specific, adding to complexity.
Security & Privacy
- Unauthorized Reading:Tags can be read from a distance without the user's knowledge, raising concerns about tracking and privacy.
- Data Security:Wireless transmission is vulnerable to hacking, requiring strong encryption and security measures.
Other Drawbacks
- Lack of Understanding: Resistance can come from a general lack of understanding about the technology.
- Standardization Issues: Different frequencies and protocols can hinder global compatibility.
- Environmental Impact: More resource-intensive than simple barcodes.
Key Takeaway
Despite these drawbacks, technology is improving, and solutions like specialized tags and strong security protocols help mitigate many issues, making RFID valuable for specific, high-value applications.
AI responses may include mistakes. Learn more
RFID vs Barcode: Comparison, Advantages & Disadvantages
Aug 7, 2025 — Material Limitations: Materials like metal and liquid can impact signals. For example, metal can deactivate the RFID an...
Peak Technologies
The Advantages and Disadvantages of Active and Passive RFID ...
Nov 20, 2017 — Disadvantages. Expensive - While passive tags may cost less than 10 cents per unit, active tags can cost as much as ...
Altium
RFID & Warehouse Management: Pros & Cons To Consider - Extensiv
Drawbacks of Using RFID Throughout Your Warehouse * High initial cost: One of the biggest disadvantages to using RFID tagging is ...
Extensiv
RFID vs. barcodes: Which system is better? - Outvio
Mar 20, 2023 — Other disadvantages of RFID * RFID tags can be unreliable when in contact with metal or liquids. * RFID tags can be r...
Outvio
Disadvantages of RFID. Mostly Minor Or You Can Minimize Them.
RFID systems are often more expensive than barcode systems. RFID technology is harder to understand. Can be (debatably) less relia...
Wireless Technology Advisor
RFID vs Barcode: Comparison, Advantages & Disadvantages
Aug 7, 2025 — Disadvantages of RFID * Material Limitations: Materials like metal and liquid can impact signals. For example, metal c...
Peak Technologies
Top RFID Implementation Challenges & Solutions for Effective Use
Sep 3, 2024 — RFID systems can be at risk of unauthorized access, which may lead to data breaches and exposure to sensitive informati...
Lowry Solutions
RFID vs. Barcode: Pros, Cons, and Best Uses - RedBeam
Apr 8, 2024 — RFID Disadvantages * High Cost: There are higher initial costs for setting up RFID vs. barcode systems, which is a key...
RedBeam
Disadvantages of RFID Cards - TJ RFID Supplies Manufacturer
Sep 17, 2025 — Conclusion. disadvantages of RFID cards must be carefully weighed against potential benefits. RFID tags are more expen...
tjnfctag.com
Introduction To The Advantages And Disadvantages Of RFID ...
Aug 1, 2023 — 1. The cost of RFID is too high, coupled with the high cost of equipment such as RFID transmitters, readers, encoders a...
toptaggroup.com
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JT-R2430A 2.4G RFID Reader - Real Time Inventory ...
Alibaba.com
https://www.alibaba.com › product-detail
Alibaba.com
https://www.alibaba.com › product-detail
JT-R2430A 2.4G 2.45G Omni-directional Active RFID Reader for Real Time Inventory. Portable, high-speed, and customizable. Ideal for various tracking needs.
$450.00In stock(53)$72.99 delivery
2.4G Indoor Directional Reader Manufacturers,best 5202
Shenzhen Marktrace Co., Ltd
https://www.marktraceiot.com › 2-4g-indoor-directional-...
Shenzhen Marktrace Co., Ltd
https://www.marktraceiot.com › 2-4g-indoor-directional-...
2.4G indoor directional reader is a high-performance RFID directional reader, mainly designed for Internet of Things applications. It adopts 2.4GHz civil ...
Long Range 2.4 GHZ Omni Directional Active RFID Reader for ...
AliExpress
https://www.aliexpress.com › ...
AliExpress
https://www.aliexpress.com › ...
The 2.4G wall-mounted long range omnidirectional active reader SR-RG2401E is a high-performance 2.4G omnidirectional active reader with a frequency 2.45Ghz ...
2.4GHz Omni-directional RFID Reader for Assets ...
sfyh.com
https://www.sfyh.com › 2-4ghz-omni-directional-rfid-rea...
sfyh.com
https://www.sfyh.com › 2-4ghz-omni-directional-rfid-rea...
Omni-directional rfid reader are widely used for people tracking and assets inventory, such as laptops, equipment. Max reading range is 80m radius. Reading ...Read more
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