Type GSM/LTE Applications Ideal for European M2M applications such as automotive, smart metering, tracking system, security, router, wireless POS, and many more On-board modules EG91EXGA-128-SGNS - embedded 4G wireless communication module from Quectel Key Features Support of LTE-FDD, WCDMA, and GSM communication standards, multi-band European LTE support, RX diversity for bands B1 and B8, multi-constellation GNSS, 16-bit mono audio codec compatible with CTIA standard headphones, echo cancellation and noise suppression, USB Type C connector for power and data transfer, software debugging, firmware upgrades, UART communication, visual status indicators, several test points, micro SIM card holder, and more Interface I2C,UART Feature ClickID Compatibility mikroBUS™ Click board size L (57.15 x 25.4 mm) Input Voltage 3.3V or 5V