EUT TPE：Subclass of Class 1_28_Non- specific short range devices_868.000 - 868.600 MHz
RF STD：Article 3(2)_Radio_ETSI EN 300 220-2 V3.1.1 (2017-02)_Short Range Devices (SRD) operating in the frequency range 25 MHz to 1 000 MHz; Part 2: for non specific radio equipment
Health ：Article 3(1)(a)_Health_Cenelec_EN 50360:2017_Publication Product standard to human exposure to electromagnetic fields in the frequency range from 300 MHz to 6 GHz: devices used next to the ear
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_NFC & RFID ISO/IEC 18000 & NFC Analog Specification_433 MHz
Article 3(2)_Radio_ETSI EN 300 220-2 V3.1.1 (2017-02)_Short Range Devices (SRD) operating in the frequency range 25 MHz to 1 000 MHz; Part 2: for non specific radio equipment
Article 3(1)(a)_Health_Cenelec_EN 50360:2017_Publication Product standard to human exposure to electromagnetic fields in the frequency range from 300 MHz to 6 GHz: devices used next to the ear
