Superior Sensitivity with Omnidirectional Performance

Ideal for challenging applications where large memory is not required, Impinj 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


Why Use Impinj M4D

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

Impinj Endpoint Overview

ICs Family

With over 30 billion items connected, Impinj tag chips are the industry standard for RAIN RFID solutions for retail, air transportation, healthcare and more. The Impinj endpoint products connects everyday items to the Internet and provides unique capabilities optimized for specific application needs.


Impinj (NASDAQ: PI) helps businesses and people analyze, optimize, and innovate by wirelessly connecting billions of everyday things—such as apparel, automobile parts, luggage, and shipments—to the Internet. The Impinj platform uses RAIN RFID to deliver timely data about these everyday things to business and consumer applications, enabling a boundless Internet of Things.

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