Technical support and discussions for the Sixfab 3G/4G LTE Base HAT for Raspberry Pi: a mini PCIe carrier HAT for cellular connectivity with Quectel and Telit modules.
Welcome to the 3G/4G<E Base HAT category
This category is for technical support and discussions related to the Sixfab 3G/4G LTE Base HAT for Raspberry Pi.
What you can get help with
- Hardware installation on Raspberry Pi 4, 5, and Compute Module 4
- Quectel EC25-E, EC25-A, EC21 module setup and configuration
- Telit LE910C1 and LE910C4 module setup and configuration
- USB interface recognition (
usb0,eth1,wwan0) - PPP and QMI/ECM connection management
- APN settings for different carriers and countries
- AT command reference for modem control
- Compatibility with Raspberry Pi OS, Ubuntu, Debian, and other distros
- Differences between mini PCIe and USB modem variants
Before you post
- Check the official docs first: Base HAT documentation
- Search the forum; your question may already be answered
- Fill in the topic template completely. OS version, module model, and full error output help us answer faster
Useful resources
| Resource | Link |
|---|---|
 Buy 3G/4G LTE Base HAT |
sixfab.com → Base HAT |
 Documentation |
Introduction · Technical Details |
 Getting started |
With Quectel EC25/EG25 · With Telit LE910C1 |
 Troubleshooting & FAQ |
Troubleshooting · FAQ |
 Tutorials |
Base HAT Tutorials |
 GitHub |
github.com/sixfab |
| :sim_card: Sixfab SIM management | connect.sixfab.com |