on metal rfid tags
December 23, 2025
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# On Metal RFID Tags
## What Are On Metal RFID Tags?
On metal RFID tags are specialized radio frequency identification tags designed to function reliably when attached directly to metallic surfaces. Unlike standard RFID tags, which can experience severe performance degradation or complete failure near metal, these tags incorporate unique designs and materials to overcome interference.
From my personal experience working in asset management for a manufacturing plant, I can attest to the frustration of using standard RFID tags on metal equipment. We initially tried regular UHF tags to track our machinery and tools, but read rates were abysmal—often below 20%. The shift to purpose-built on metal RFID tags was transformative, boosting our inventory accuracy to over 99%. This personal case study highlights how the right technology solves a real-world operational pain point.
## Technical Design and How They Work
My technical aptitude has always been in understanding electromagnetic principles. Applying this, I learned that the core challenge with metal is that it reflects RF waves, detunes the tag's antenna, and creates a "dead zone." On metal tags solve this by incorporating a protective insulating layer or a "spacer" (often made of foam or plastic) between the antenna and the metal surface. This gap creates a necessary buffer. Some advanced designs use a ground plane or specific antenna geometries that actually use the metal surface to enhance performance, turning a problem into an advantage.
### Key Technical Specifications and Parameters
For engineers and procurement specialists, here are detailed technical parameters for a common high-performance on-metal UHF RFID tag model. **Please note: These technical parameters are for reference data only. For exact specifications, you must contact backend management.**
* **Model:** TIANJUN Pro-Metal-UTag6
* **Frequency:** 860 - 960 MHz (UHF Gen2)
* **Chip:** Impinj Monza R6-P (Alternative: NXP UCODE 8)
* **Chip Memory:** 96-bit EPC, 128-bit User, 32-bit TID
* **Read Range:** Up to 10 meters (on metal), subject to reader power.
* **Dimensions:** 100mm x 20mm x 4mm (Length x Width x Thickness, including spacer).
* **Operating Temperature:** -40°C to +85°C.
* **Ingress Protection (IP) Rating:** IP68
* **Substrate/Spacer Material:** High
The Use of RFID for Human Identity Verification
## What Are On Metal RFID Tags?
On metal RFID tags are specialized radio frequency identification tags designed to function reliably when attached directly to metallic surfaces. Unlike standard RFID tags, which can experience severe performance degradation or complete failure near metal, these tags incorporate unique designs and materials to overcome interference.
From my personal experience working in asset management for a manufacturing plant, I can attest to the frustration of using standard RFID tags on metal equipment. We initially tried regular UHF tags to track our machinery and tools, but read rates were abysmal—often below 20%. The shift to purpose-built on metal RFID tags was transformative, boosting our inventory accuracy to over 99%. This personal case study highlights how the right technology solves a real-world operational pain point.
## Technical Design and How They Work
My technical aptitude has always been in understanding electromagnetic principles. Applying this, I learned that the core challenge with metal is that it reflects RF waves, detunes the tag's antenna, and creates a "dead zone." On metal tags solve this by incorporating a protective insulating layer or a "spacer" (often made of foam or plastic) between the antenna and the metal surface. This gap creates a necessary buffer. Some advanced designs use a ground plane or specific antenna geometries that actually use the metal surface to enhance performance, turning a problem into an advantage.
### Key Technical Specifications and Parameters
For engineers and procurement specialists, here are detailed technical parameters for a common high-performance on-metal UHF RFID tag model. **Please note: These technical parameters are for reference data only. For exact specifications, you must contact backend management.**
* **Model:** TIANJUN Pro-Metal-UTag6
* **Frequency:** 860 - 960 MHz (UHF Gen2)
* **Chip:** Impinj Monza R6-P (Alternative: NXP UCODE 8)
* **Chip Memory:** 96-bit EPC, 128-bit User, 32-bit TID
* **Read Range:** Up to 10 meters (on metal), subject to reader power.
* **Dimensions:** 100mm x 20mm x 4mm (Length x Width x Thickness, including spacer).
* **Operating Temperature:** -40°C to +85°C.
* **Ingress Protection (IP) Rating:** IP68
* **Substrate/Spacer Material:** HighPhone: +86 19925232774
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