What is the size of a Battery-free Pixel?

The size of the Wiliot IoT Sticker depends mostly on the antenna size, which is a function of the environment, the application, and the manufacturing requirements. They can be as small as a US postage stamp and is as thin as a common sticker.

Wiliot's 2.4 GHz harvesting tag, called ‘Single-Band IoT Pixel’ is 3.92cm x 2.4cm. Wiliot's 900 MHz harvesting tag, called ‘Dual Band IoT Pixel’ is 4.4cm x 2.8cm.