The document discusses frequency band arrangements for 3.4-3.8 GHz in various regions and countries. It summarizes band plans in Europe, Japan, Latin America, and North America based on studies and decisions from regulatory bodies. Baseline frequency arrangements are identified for further specification work on UMTS and LTE in the 3400-3600 MHz band based on the regional summaries. The document also covers deployment aspects and required changes to 3GPP specifications to support operation in the 3.4-3.8 GHz band.