Product introduction: The main chip adopts MT6739, which is mainly used for the development and testing of industrial board functions.        Main features: NFC function (identity identification, micropayment, traffic card, advertising, anti-counterfeitin

Product introduction: The main chip uses LORA chip 'SEMTECH        Main features: low power consumption, the system uses a special frequency radio network, no need for mobile phones, no GSM network signals, to achieve positioning and intercom function

Product introduction: The main chip uses LORA chip 'SEMTECH        Main features: long-distance transmission, low power consumption, multi-node, used in apartment smart door locks, smart home accessory products

Product introduction: The main chip uses STM01-SSOP20 microcontroller        Main features: low power consumption and stable performance

Product introduction: The main chip uses 8F801 SOP-14 microcontroller        Main features: stable performance, low cost characteristics

Product introduction: The main chip uses MT6580, Android 6.0        Main features: NFC function (identity identification, micropayment, traffic card, advertising, anti-counterfeiting, retailer super), handheld payment products