Foreign Objects (FO’s) are used in compliance testing for the certification of any Qi Power Transmitter product (PTx), to ensure Foreign Object Detection (FOD) has been implemented correctly, as per Wireless Power Consortium (WPC) in Qi specification and referenced by IEC 62368-1.

In total there are four FO’s: FO#1, FO#2, FO#3 and FO#4, each representing a physical object
The FO’s can be purchased separately (with or without enclosure and sensor) or as a kit (including thermal cable, spacer and positioning frame for EVA I)
The FO’s can be used standalone (with external temperature multimeter to measure temperature) or in combination with EVA I BST/MDT (integrated temperature readings)

Product use: The FO’s can be used for compliance testing, pre-certification or for validation of product implementation. Also suitable for benchmark comparisons or research. Can be used standalone or in combination with external equipment (any common temperature multimeter), as well as with EVA I BST/MDT (Base Station Tester / Mobile Device Tester)

About FOD: The implementation of FOD is critical to ensure conductive materials (such as coins, rings, metallic foil etc.) does not heat up when placed within the active charge area (magnetic field). For more information on Qi specification and wireless power, please see https://www.nok9.com/about-wp or contact info@nok9.com.

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