Radiodetection RF Marker Ball – Europower (Blue / Red) The Radiodetection RF Marker Ball – Europower is designed for marking underground European power utilities. RF marker balls are passive, frequency-tuned markers that resonate when energized by a locator signal, enabling accurate underground utility identification without power or maintenance. Its dual blue and red color scheme provides clear differentiation from standard power markers and supports reliable locating with Radiodetection marker ball locators such as the MRX SG, MRX G, and MRX. Ideal for international or region-specific power infrastructure projects. Utility Type: Europower Color: Blue / Red Part Number: 61/OMEUROPOWER-MK2 Packaging: Box of 30 s.