With reference to the development and operation experience of the hierarchical sharing mechanism of the US Citizens Broadband Radio Service (CBRS), ACTS introduced CommScope Spectrum Access System (SAS) and integrated Taiwan Graphic information to build a team with domestic mobile telecommunications operators and equipment suppliers participating in the field test verification research project of TTC for the construction of Dynamic Spectrum Sharing access technology. On October 15, 2020, ACTS assisted TTC in organizing a briefing session on the results of the actual measurement and verification of the "Dynamic Spectrum Sharing" in the Foxconn Neihu building.