PiTalk is 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 for the device provide you connect a display, speaker, and microphone to the Raspberry Pi or other host device. PiTalk 4G IoT HAT supports all single board computers (40 Pins GPIO Compatibility) like Raspberry Pi 4, 3, zero, zero 2, Rock SBC Series, Banana Pi, and much more...Specifications: 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 Micro SIM card holder Audio – 3.5mm audio jack, 2-pin speaker connector USB – 1x USB Type-C port (for connection to the host through USB?) Misc – Power key; Network, Status, and Power LEDs The 40-pin female header for connection to the single board computers eg. Raspberry Pi, Rock SBC, etcDimensions – 65 x 58 mm (Raspberry Pi HAT form factor) Resources: Getting Started with PiTalk 4G IoT HAT Hardware Details
