LILYGO SIM

Module Naming and Compatibility Notes

A7670G / A7670E / A7670SA are collectively referred to as A7670X.

A7672G is identical to A7670G, with only a different name.

A7608SA-H / A7608E-H / A7608E / A7608SA are collectively referred to as A7608X.

Platform Differences

SIM7670G uses the Qualcomm platform.

A7670X uses the Asrmicro platform.

Hardware Versions & Notes

A7670 and A7670 R2

The usage is exactly the same.

The only difference lies in the internal chip manufacturing process of the module

Differences between T-A7608 and T-A7608-V2

Removed:

• Modem reset pin (IO5)
• Power-on pin (IO12)

Added:

• Onboard LED (controlled via IO12)
• Solar voltage detection function (IO34, ADC)

Functional Limitations

A7670E-LNXY-UBL This version does not support voice and SMS functionalities.

Specification Comparison

T-A7670E T-A7670G T-A7670SA

Reference Materials

1. SIMCOM Official Documentation Center
   • SIMCOM official A7670X All Datasheet
   • SIMCOM official A7608X All Datasheet
   • SIMCOM official SIM7672 All Datasheet
2. A7670/A7608-Datasheets
   • A76xx AT Command
   • A76xx MQTT(S) Application
   • A76xx HTTP(S) Application
   • A76xx GNSS Application
   • A76xx FTP Application
   • A76xx LBS Application
   • A76xx SSL Application
   • A76xx Sleep Application
   • A76xx Hardware Design manual
   • A76xx TCPIP Application
3. SIM7670G-Datasheets
   • SIM7670G Hardware Design manual
   • SIM7670G AT Command
   • SIM7670G CE Certificate
   • SIM7670G Series CMUX USER GUIDE
4. Schematics
   • T-A7608-S3 Schematic
   • T-A7608X-DC-S3 Schematic
   • T-A7608X Schematic
   • T-A7608X-V2 Schematic
   • T-A7670X Schematic
   • T-Call-A7670 Schematic
   • T-SIM7670G-S3 Schematic