In this press release, we announce the success of our transoceanic long-distance transmission experiment over 7,280 km using 12-core optical fiber. We spoke with the researchers about the details on what purpose and meaning this success has and what technologies were used to. NEC, as one of the top three enterprises in the submarine cable market, succeeded in prototyping the world's first four-core optical fiber submarine cable in July 2022. 5 billion verified shipment records across 203 countries to help exporters and importers identify new Fiber Optical Cable buyers and suppliers, discover profitable markets, and connect with reliable trade partners worldwide. According to Volza's Global. Limón, Costa Rica — LIMÓN – Costa Rica is poised for a significant leap in its digital capabilities as the TAM-1 submarine cable project, a strategic venture between Trans Americas Fiber System (TAFS) and the state-owned Instituto Costarricense de Electricidad (ICE), enters a critical deployment. Tokyo, Japan, March 21, 2024 - NEC Corporation (NEC; TSE: 6701) and NTT Corporation (NTT) today announced that they have successfully conducted a first-of-its-kind transoceanic-class 7,280km transmission experiment using a coupled 12-core multicore fiber (*1), which consists of 12 optical signal. PAC: The Pan American Crossing cable lands on Costa Rica's Pacific coast, diversifying connectivity options. TAM-1: The newest cable, live since December 2025, built to meet modern bandwidth demand and succeed MAYA-1. Costa Rica's strategy ties these cables into domestic networks and keeps them.