Superior Sensitivity with Omnidirectional Performance

Ideal for challenging applications where large memory is not required, Monza 4D endpoint ICs offer superior performance, True3D antenna support and a standard memory size. Two fully independent antenna ports enable true omnidirectional tags that readers can see from any angle.

The endpoint layer of the Impinj platform


Monza 4D Benefits

High Performance
Achieve excellent read and write sensitivity

Interference Rejection
Yields outstanding read and write reliability

True 3D Antenna Support
Read tags from any angle, for higher read rates and smaller, less expensive tags


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Key Features

Standard Memory Size

Offers 32 bits of user memory, 128 bits EPC memory and serialized TID

Write Sensitivity

Excellent commissioning and encoding speed at -14.6 dBm

Fast Write Rate

Enables programming of 12,000 tags per minute or 5 ms for 32-bit writes

Monza Family Overview


With over 15 billion chips sold, Impinj Monza endpoint ICs are the industry standard for RAIN RFID solutions for retail, healthcare and more. The Monza product family connects everyday items to the Internet and provides unique capabilities optimized for specific application needs.


Impinj (NASDAQ: PI) wirelessly connects billions of everyday items such as apparel, medical supplies, and automobile parts to consumer and business applications such as inventory management, patient safety, and asset tracking. The Impinj platform uses RAIN RFID to deliver timely information about these items to the digital world, thereby enabling the Internet of Things.

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