IoTea LoRa SmartAgriculture
PM2.5 PollutionVisualization WioLTE
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Seeed’s LTE CAT.1 Pi HAT is an open source cellular extension modem for Raspberry Pi, based on u-blox LARA-R2xx series. It compatible with Raspberry Pi 1 Model B+ and later versions.
LTE CAT.1 Pi HAT is designed for LTE Category 1 networks and with 2G fallback(EU version only). Embedding common protocols, like TCP/UDP, HTTP.
LTE CAT.1 Pi HAT support UART and USB interfaces. By UART, Raspberry Pi communicate with LTE CAT.1 Pi HAT via AT command without any special driver. It’s well suited for building prototyping rapidly.
3GPP TS 27.007 , TS 27.005  standard AT command
Other scenario need cellular networks
In this project, we plan to take pictures with picamera and recognise faces in them, then display recognition result in the screen. If faces known, open the door, and send who opened the door to specified phone number via SMS.
Wiki of LTE Cat 1.Pi HAT
Hi there, we can see from datasheet **https://github.com/SeeedDocument/LTE_Cat_1_Pi_HAT/raw/master/res/LARA-R2_DataSheet_(UBX-16005783).pdf** that the r202 not only supports LTE bands 2,4,5,12, but also support UMTS bands 850, 1900. R203 only supports LTE bands 2,4,12. thanks.
Hi there, I use raspberry pi and it can detect the device. **pi@raspberrypi:~ $ lsusb
Bus 001 Device 005: ID 1546:110a U-Blox AG**. We also can use the windows to detect. **http://wiki.seeedstudio.com/LTE_Cat_1_Pi_HAT/#faq**. If you can not detect the device, do you use a 4 wire usb cable? can the cable transfer data, please? thanks.