EUT TPE：Subclass of Class 1_20_Non-specific short range devices_433.050 - 434.790 MHz
EMC Std：Article 3(1)(b)_EMC_ETSI EN 301 489-17 V3.2.2 (2019-12)_Part 17: Specific conditions for Broadband Data Transmission Systems;
Safety：Article 3(1)(a)_Safety_Cenelec_EN 62368-1:2014/AC:2015_Audio/video_ information and communication technology equipment - Part 1: Safety requirements
RF MOD：WIRELESS CONNECTIVITY_Bluetooth® 5.0_Band (in MHz)_2400 to 2483.5
