M.2 4G (2G Fallback) Module for Mecha Comet – Compatible Quectel Alternative

Hey everyone!

At PCBCupid have been working on a custom 4G module for Mecha Comet, and we’re excited to share an early look with the community.

This module is designed as a drop-in for M.2 that’s already in Comet, while keeping things flexible, accessible, and well-integrated with the Mecha Comet ecosystem.

Key Features

  • 4G LTE connectivity for high-speed communication
  • 2G fallback for better coverage in low-signal or legacy areas
  • M.2 form factor (Works on non-comet devices as well)
  • Focus on reliability and ease of integration

Current Status

This is currently a work in progress. We are:

  • Done with manufacturing & assembly of 1st revision.
  • Testing connectivity and network stability
  • Optimizing power consumption and antenna performance

We’d love to hear your thoughts. Also we’ll post more updates soon :eyes:

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Would it be possible for a 5G module in the future?

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Yes! It is something we would love to work on if there is enough interest around 5G module (since it would be expensive compared to 4G)