The M5311-LV with Communication Modules/GNSS Modules LCC RoHS manufactured by Chinamobile is a low-cost, low-power, multi-mode quiescent current antenna module optimized for 2G/3G/4G High-Speed Packet Access. It features a small form factor, low costs and high reliability. The module is based on TD-SCDMA, EDGE, GSM technology and integrates a GNSS (Global Navigation Satellite System) chipset inside. It is an ultra low-power product that supports multiple external interfaces including USB, UART, SPI, I2C, and ADC. The module supports all major cellular technologies, including TD-SCDMA, GSM/GPRS/EDGE, WCDMA/UMTS/HSPA/HSPA+ and has maximum data transfer rates up to HSDPA 42Mbps. Also, it has support for Raspberry Pi, Arduino and other development boards as well as Android, Linux, and Windows OS platforms. The RoHS compliance indicates that this module is manufactured with materials that are free from hazardous substances which are considered to be detrimental to the environment.