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Impinj UHF RFID Reader Antennas

At Impinj, we define accurate, reliable, and adaptable solutions as systems of integrity. A system of integrity produces the consistently reliable data demanded as the foundation of any business system. To meet this requirement, high-performance RFID tag chips and RFID readers are a given, but RFID antennas play an equally important role. Reader antennas with characteristics optimized for end-user applications enable the entire RFID system and play a critical role in ensuring that the system operates dependably and accurately.

UHF RFID Antennas for Item-level Operation

Impinj's monostatic RFID antennas with operation optimized for item-level applications enable superior system performance for a variety of deployments, especially when paired with Speedway RFID readers and Monza RFID tag chips.

Key features include:

  • Tightly controlled read zones to minimize reading of stray tags
  • Application-optimized read ranges—short range (near field), long range (far field), or a mix
  • Application-optimized beam width (angle within which most intense energy emanates)
 Request information from Impinj or visit our How to Buy page. 

Guardwall RFID Reader Antenna in Conveyor Application

Impinj's Guardwall RFID antenna design provides tight read zone control for any item-level packed goods application.

Reader Antenna Quick Links

Speedway UHF RFID Reader Antenna Overview

Antenna Application Range  Dimensions

(860–960 MHz)

(865–868 MHz)

(902–928 MHz)

Brickyard Antenna
Brickyard Point of Sale RFID Antenna
The Brickyard reader antenna works well for tagged items on a variety of package types, making it an ideal choice for point of sale applications. short
(30-45 cm)
29.5 cm D x 6 cm   dot-250-nn dot-250-nn
Guardwall Antenna
Guardwall Bulk Encode RFID Antenna
The Guardwall reader antenna provides a tightly controlled read zone and intense RF field, critical to penetrating deep into packed cases traveling on conveyors or packing lines.

long (3 m) alone,
shorter (variable) when used in pair

70 x 40 x 10 cm   dot-250-nn   dot-250-nn
MatchBox Antenna

MatchBox Item-Level RFID Antenna
With its diminutive size, the MatchBox reader antenna is ideally suited for embedded applications that require unobtrusive RFID capability with shortrange, well-defined read zones. very short
(<5 cm)
73 mm x 33 mm x 12 mm   dot-250-nn      
Mini-Guardrail Antenna
Mini-Guardrail Monostatic UHF RFID Antenna
The Mini-Guardrail monostatic antenna, specifically designed for demanding item-level performance, operates very effectively at 7.5 cm or less, with high reliability and a constrained read zone. very short (7 cm) 13 x 7 x 2 cm dot-250-nn    
Threshold Antenna
Threshold Far-Field Antenna for Race Timing
Initially designed for boundary crossing applications, the Threshold far field antenna, with its planar form factor, provides a consistent and continuous read zone when linearly distributed head-to-tail. long
(4 x 3 m)
46 x 9 x 2 cm   dot-250-nn dot-250-nn


These products are covered by one or more of the following U.S. patents. Other patents pending. 7830322, D570,337, D574,369, D574,370