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SM-50RS Small Rubber Domed RFID Tag

High Temperature, Waterproof, Abrasion Resistant, Versatile Attachment, Medium Range RFID

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SM-50RS Small Rubber Domed RFID Tag small

WF-SM-50RS Small Rubber RFID Tag (Domed)


  • Variable memory sizes based on inlay type
  • Password protected read/write capability
  • Impact-resistant RFID
  • Metal mount RFID
  • Versatile attachment methods


SmartMark powered by TROI


Specially designed for Oil and Gas and Construction applications, these small rubber-encased RFID tags are UHF Gen 2, compatible with any UHF Gen 2 RFID reader. The WF-SM-50RS functions globally with a frequency range of 860-960 MHz. The WF-SM-50RS comes in two versions–square and domed. The performance between the two RFID tags is very similar; size restrictions of the application dictate which version to use.


The WF-SM-50RS features metal mount and impact-resistant capabilities. For even better “near metal” performance, see the WF-SM-PC101. The WF-SM-50RS family of RFID tags has recently been selected by the Oil and Gas Solutions group for gas FRAC (fracturing) applications. It can also be used to mark pipelines, scaffolding, and other round tubular objects.


Attachment Methods:


The most popular attachment methods are: integrated horizontal tie wraps and integrated cable ties vertically. Due to the rubber outer shell, this tag is not suitable for adhesive attachment.


Impact Resistant and Metal Mount Features


The small footprint (0.5” wide) of the WF-SM-50RS belies its substantive performance. This RFID tag is ATEX compliant, IP-68 and EN62262 certified. It is highly stable to impact, outperforming the competition by 5000 percent in heavy impact testing.


Watch a short video of this impact-resistant RFID tag in action!


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Vibration Dampening or Resistance, Harsh Environments, Outdoor Use, Construction, Oil, Gas, Water Pipelines


WF-SM-50RS Small Rubber RFID Tag

Size (LxWxH) 5.75” L x 0.5” W x 0.5” H
Available Colors Yellow rubber
Water Resistance Excellent
Solvents Resistance Good
Abrasion Resistance Excellent
Impact Resistance: Excellent


Test* Temperatures and Duration Results
Maximum Temperature Long-term at 10 hr: 315°F (157°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: 350°F (176°C)

Short-term at 90 sec: 375°F (190°C)
Minimum Temperature -40°F (-40°C)
Temperature Cycling The tag was cycled to 375°F at equilibrium for five times. Between each cycle, it was air cooled to room temperature and read with an RFID reader.

RFID Performance


RFID Protocol UHF EPC Class 1 Generation 2,ISO/IEC 18000-6C compliant
Chip Manufacturer Alien Higgs-3
Tag Type Passive Read/Write
Frequency Range 860 ~ 960 MHz (Global)
IC Memory 800-Bits of Nonvolatile Memory
Pre-Programmed with a unique, unalterable 64-bit serial number. User Memory can be Block Perma-Locked as well as read password protected in 64 Bit Blocks. Supports all Mandatory and Optional Commands including Item Level Commands





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.



Optimal Read Range* on Different Material Surfaces:


*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-50RS Small Rubber RFID Tag

Versatile mechanical attachment

Shelf Life

Stored at 70F / 50% Relative Humidity

Stable at room temperature


SM-50RS Small Rubber Domed RFID Tag Design

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