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WOW_Weldable Metal RFID Tag

High Temperature, Waterproof, Chemical & Solvent Resistant, RFID Product, Harsh Environment, 360 Degree Read Profile, Short Range RFID

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WOW_Weldable Metal RFID Tag small WOW_Weldable Metal RFID Tag small WOW_Weldable Metal RFID Tag small

WOW Weldable RFID Tag


  • Metal-mount metal tag
  • Weldable directly onto metal
  • Excellent read distance from every direction
  • Exceptional temperature and harsh-environment performance
  • Laser Etching Optional



When you need the ultimate in durable, tough, industrial-strength RFID tags, choose the WOW tag. Not just metal mount, the WF-SM-WOW can be welded directly onto any metal part or device. All it takes is a small tack weld with a TIG or MIG. The tag's rugged MSOP chip is embedded in a stainless steel case yet can be read from every direction thanks to its novel antenna design. For color coding, this steel tag can be encased in high-temperature resistant plastic that comes in red, yellow, blue or orange. With excellent super-high temperature readability, this armored tag will perform exceptionally well even in the harshest environments where pressure, abrasion and water are factors.


Click here to see a short video of this weldable tag in action!


This tag is certified by the Oil and Gas RFID Solution Group.

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Metal Mount, Heavy Machinery, Harsh Environments, High Temperature, Construction, Oil, Gas, Water Pipelines


WF-SM-WOW Weldable Metal RFID Tag

Dimensions: (L x W x H) 2.2" 0.98" x 0.51"
Available Colors Stainless, red, yellow, blue, orange
Water Resistance Excellent
Solvent Resistance Excellent
Abrasion Resistance Excellent
Impact Resistance Excellent


Test* Temperatures and Duration Results
Maximum Temperature Long-term at 10 hr: 320°F (160°C) No effect on tag. Tag remained the same in appearance and RFID performance/function. There was no sign of peeling, tearing or destruction. The tag read normal after the tests. *Test is not limiting.
Standard at 5 min: 360°F (182°C)
Short-term at 90 sec: 380°F (193°C)
Minimum Temperature -40°F (-40°C)
Temperature Cycling The tag was cycled to 380°F at equilibrium for five times. Between each cycle, it was air cooled to room temperature and read with an RFID reader.

Steel Tag

RFID Performance


RFID Protocol UHF Class 1, Gen 2 / ISO 18000-6c Compliant
Tag Type Passive Read/Write
Frequency Range 868 - 958 MHz (Global)


Tested Polarization:


Tag performance was experimentally measured in an anechoic chamber and a known set of experimental variables. The antenna used for measurements was linearly polarized and of monostatic configuration. The direction of tested polarization is as follows.







wf-sm-wow polarization







Optimal Read Range* on Different Material Surfaces:

wf-sm-wow read range

*Tag performance was measured free of material influence, on a dry wood, window glass, thermoplastic, and steel slabs. Actual read ranges may differ depending on conditions such as environment, tag placements, hardware, etc.


WF-SM-WOW Weldable Metal RFID Tag

Weldable Metal



Shelf Life

Stored at 70F / 50% Relative Humidity

Stable at room temperature




WOW_Weldable Metal RFID Tag Design

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