RF STD：Article 3(2)_Radio_ETSI EN 303 406 V1.1.1 (2017-02)_Short Range Devices (SRD); Social Alarms Equipment operating in the frequency range 25 MHz to 1 000 MHz;
EMC Std：Article 3(1)(b)_EMC_ETSI EN 301 489-1 V2.2.3 (2019-11)_Part 1: Common technical requirements;
Safety：Article 3(1)(a)_Safety_Cenelec_EN 62368-1:2020+A11:2020_Audio/video_ information and communication technology equipment - Part 1: Safety requirements
RF MOD：WIRELESS CONNECTIVITY_Bluetooth® <4.0_Band (in MHz)_2400 to 2483.5
Article 3(2)_Radio_ETSI EN 303 406 V1.1.1 (2017-02)_Short Range Devices (SRD); Social Alarms Equipment operating in the frequency range 25 MHz to 1 000 MHz;
