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 301 489-3 V2.1.1 (2019-03)_Part 3: Specific conditions for Short-Range Devices (SRD) operating on frequencies between 9 kHz and 246 GHz
RF MOD：WIRELESS CONNECTIVITY_Bluetooth® 5.0_Band (in MHz)_2400 to 2483.5
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;
Article 3(1)(b)_EMC_ETSI EN 301 489-3 V2.1.1 (2019-03)_Part 3: Specific conditions for Short-Range Devices (SRD) operating on frequencies between 9 kHz and 246 GHz
