ELPRO 641M-X Connectivity Router Instructions
AT command over COM (Serial)
1. Introduction
1.1 Overview
This document contains information regarding the configuration of AT over COM, e.g. able to send SMS messages
via a serial connection to the Modem.
This guide has been written for use by technically competent personnel with a good understanding of the
communications technologies used in the product, and of the requirements for their specific application.
1.2 Compatibility
This application note applies to:
Models Shown: 641M series.
Firmware Version: V1.1.2 (3be6e5a) or newer
Other Compatible Models: None
1.3 Version
Updates between document versions are cumulative. Therefore, the latest document will include all the content of
previous versions.
Release Date Doc. Version Firmware Version Change Description
2020/04/14
V1.0.0
V1.12 (3be6e5a)
First released
1.4 Corrections
Appreciate for corrections or rectifications to this application note, and if any request for new application notes
please email to: support@elprotech.com
641M_AT-COM_V1.0.docx
Version:
V1.0.0, Date: Mar 2024
1 of 5
| General | Details |
|---|---|
| Name | ELPRO 641M-X Connectivity Router Instructions |
| Make | ELPRO |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.15 MB |
If you have any questions regarding ELPRO 641M-X Connectivity Router Instructions, please ask here and describe the problem in detail.

ELPRO 645M-4 Cellular and WiFi IIoT Router Installation Guide

ELPRO 641M-X Iot Connectivity 4g-Lte Router User Manual

ELPRO 641M-2 4G LTE Router Installation Guide


















