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 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 301 489-3 V2.1.1 (2019-03)_Part 3: Specific conditions for Short-Range Devices (SRD) operating on frequencies between 9 kHz and 246 GHz
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;
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
