vivo 4dRADPOS is an in vivo dosimetry system that has been recently developed in-house in collaboration with Best Medical Canada [14], [24].It is made up of a MOSFET dosimetervivo Y04 Android smartphone. Announced Feb 2025. Features 6.74″ display, Unisoc T7225 chipset, 5500 mAh battery, 256 GB storage, 4 GB RAM, MIL-STD-810H pliant.