EUT TPE：Subclass of Class 1_20_Non-specific short range devices_433.050 - 434.790 MHz
RF STD：Article 3(2)_Radio_ETSI EN 300 328 V2.1.1 (2016-11)_Wideband transmission systems; Data transmission equipment operating in the 2.4 GHz ISM band and using wide band modulation techniques;
EMC Std：Article 3(1)(b)_EMC_ETSI EN 301 489-6 V2.2.1 (2019-04)_Part 6: Specific conditions for Digital Enhanced Cordless Telecommunications (DECT) equipment;
Safety：Article 3(1)(a)_Safety_Cenelec_EN 62368-1:2014_Audio/video_ information and communication technology equipment - Part 1: Safety requirements
Article 3(2)_Radio_ETSI EN 300 328 V2.1.1 (2016-11)_Wideband transmission systems; Data transmission equipment operating in the 2.4 GHz ISM band and using wide band modulation techniques;
