LTE CAT 1 Pi HAT is an open-source cellular extension modem for Raspberry Pi, based on u-blox LARA-R2xx series. It is compatible with Raspberry Pi 1 Model B+ and later versions.

This USA version of the LTE CAT 1 Pi HAT is designed for LTE Category 1 networks, embedding common protocols, like TCP/UDP, HTTP.

LTE CAT 1 Pi HAT support UART and USB interfaces. Raspberry Pi can communicate with LTE CAT 1 Pi HAT via UART using AT commands without the need of any special driver.
This Pi HAT is well suited for rapid prototype building.

Features

• Compatible with Raspberry Pi 1 Model B+ and later versions
• Can communicate using UART and USB interfaces
• Includes I2C and Digital Grove connectors to connect Grove modules
• Access to both IPV4/IPV6 with dual stack capabilities
• Wide range of embedded protocols such as TCP, UDP, HTTP, FTP, SSL
• Supports AT commands with 3GPP TS 27.007 [8], TS 27.005 [9] standards

Applications

• IoT gateway
  
• Data logger
  
• Vending machine
  
• POS
  
• Smart home devices
  
• Robot
  
• Advertising

• Other scenario need cellular networks