GH331D is a multi-network standard Smart LTE Cat 4 module based on Qualcomm quad-core 64-bit ARM Cortex-A53 processor launched by Yuntion, with built-in Qualcomm AdrenoTM 702 GPU, and equipped with Android 11.0 operating system (10.0 optional).Its powerful performance and rich multimedia functions fully meet the needs of customers for high speed and multimedia functions in industrial and consumer applications.

GH331D supports GPS+GLONASS+BeiDou multiple positioning systems, which greatly improves the positioning speed and accuracy.

GH331D integrates function-rich interfaces (such as LCM, camera, touch screen, microphone, speaker, UART, USB, I2C, Charge and SPI interface, etc.), which greatly expands its application in the M2M field and makes it widely used in smart cashiers machine, intelligent POS,tax control machine, security monitoring, vehiclemounted equipment, high-end information collection equipment, intelligent robot, smart home, intelligent hardware, industrial intelligent handheld equipment, drone, high-end police or law enforcement equipment,intelligent intercom equipment, Smart wear, vending machines, logistics cabinets and other equipment and industries.