# AT Command Test for SIM Module Series

> Source: https://maker.tdlogy.com/wiki-doc/at-command-test-for-sim-module-series/

This is an application developed by TDMAKER Team, based on the need to test and quickly develop applications based on SIM and IoT modules

In the process of developing applications for SIM modules, if you have any problems, you can contact Thu Duc Components directly, which will be supported and updated enthusiastically

Update:

2. Basic Features

– Supports basic commands

– SMS support

– Call Support

– TCP-based MQTT support

– Support SIMCOM's MQTT AT command

– Supports GPS (A7600CE) or LBS (Location based service – A7670C, A7600C1)

3. Features to develop

– HTTP(S)

– Supports PPP (Point to Point) Connection

4. Download Link:

Download Link

[AT COMMAND TEST TOOL](https://github.com/TDLOGY/SW_ATCommand_Test) - AT COMAND TEST TOOL SIMCOM QUECTEL