PiTalk 4G dongle is a USB dongle with a 4G cellular connectivity solution based on Quectel EG25-G LTE Cat 4 module intended for M2M and IoT applications, PiTalk supports data rates up to 150 Mbps downlink and 50 Mbps uplink, integrates GNSS support, and as its name implies you can also make and receive calls, or send/receive SMS messages, etc. PiTalk 4G dongle It has an onboard USB port, for directly connecting with ARM/X86 hosts or another industrial computer; an onboard UART port with hardware flow control, for connecting with host boards like Arduino/STM32; an onboard GNSS connector, supports GPS, Beidou, Glonass, LBS base station positioning (additional GNSS antenna is required but NOT included); a Nano SIM card slot, 3 LED indicators to easily monitor the working status with baud rate support of 300bps ~ 4Mbps and baud rate auto-negotiation of 9600bps ~ 115200bps.PiTalk dongle can be used on various devices having USB communication Port, you can easily connect it to any single board computer, Windows Laptop/PC also it has a USB type C port so that you can connect it to more devices having USB type C eg. mobile devices.Specifications PiTalk 4G IoT Dongle: Quectel EG25-G 4G LTE cellular module: 3G and 4G LTE with 2G fallback Max. 150Mbps DL/ 50Mbps UL Global bands support 4G LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 4G LTE-TDD: B38/B39/B40/B41 3G WCDMA: B1/B2/B4/B5/B6/B8/B19 2G GSM: B2/B3/B5/B8 GNSS – Qualcomm IZat location technology Gen8C Lite (GPS, GLONASS, BeiDou/Compass, Galileo, and QZSS) Temperature Range – -40°C to +85°C (That’s for the module only) Cellular – 1x SMA connector, 1x U.FL connector GNSS – 1x U.FL connector NanoSIM card holder USB – 1x USB Type-C port USB - 1x Type A USB port Misc – Power key; Network, Status, and Power LEDs Resources: Software GitHub: Getting Started Guide Hardware GitHub: Hardware Design files like Schematic, 3D File, Step File, etc.