InterOperability Device Testing (IODT) determines whether the base station and device can establish and maintain a robust communication link that can carry out 5G performance in prescribed test conditions. https://www.mediatek.com/blog/worlds-first-multi-vendor-5g-nr-standalone-data-call World’s first multi-vendor 5G NR standalone data call In a collaboration between MediaTek, T-Mobile, Ericsson..