The hand-held electronic sentry is an industrial grade intelligent handheld terminal with strong performance, which supports temperature measurement and national health code verification and identification.

It is developed based on Android 9.0 operating system, adopts high-performance processor, quad core CPU, supports dual band WiFi and high-speed 4G communication, runs fast and saves power.

Users can expand customized functions according to the use needs to help users quickly realize information management and improve Th production efficiency. The two-dimensional code module is developed based on the two-dimensional code decoding module of Vision CTID. It is a hardware level module designed for various application scenarios of network authentication CTID and national health code. It has the ability to decode and verify the network authentication CTID. The module communicates with the upper computer equipment through the hardware interface. After integrating the module, the upper computer equipment can directly provide the ability to interpret and verify the network certificate CTID for various services.