ETSI proposed the updated DECT-2020 protocol as a candidate for the upcoming IMT-2020 standard, for use in Massive Machine Type Communications (MMTC) industry automation, Ultra-Reliable Low-Latency Communications (URLLC), and professional wireless audio applications with point-to-point or multicast communications; [9][10][11] review of the submitted proposal will be completed by October 2021. [12] OFDMA and SC-FDMA modulations were also considered by the ESTI DECT committee.[13][14]