The Quectel EC800M-CN modem

Hello, I want to ask if the Quectel EC800M-CN modem currently supports AT commands for calling, texting, and executing the CUSD command? I have one, but when I check these commands, they all return ‘ERROR’. Thank you.

Hi @annie
EC800M-CN supports these functions. Please provide your firmware version and ATlog.

Thank you for your response, here is detail:

ATI
Quectel
EC800M
Revision: EC800MCNLFR06A05M04

OK
AT+CGREG?
+CGREG: 0,1

OK
AT+CSQ
+CSQ: 25,99

OK
ATD038752****;
ERROR
AT+CUSD=1,"*101#",15
ERROR

Hello, Can u give me document about ATcommand of EC800 series, i can not find it :(( thanks very much.

Hi @annie
1)Please check if the network standard of the module is locked to LTE.




1 Like

I got a modem from China, bought it with a motorcycle.

I visited page of product and download QEsimTool. I’m trying to install profile of local operator to eSIM, but not successfully. QEsimTool cannot even read profiles…
I found this: topic I can with LPAd software for Linux, download profile to eSIM?
I work in Ubuntu.
Is it possible to get manual about AT-commands for EC800-series? Sorry, i did not find.
Data of chip: EC800M-CNGB-105-SGNSA

ATI
Quectel
EC800MCN_GA
Revision: LTE01R06A04_BT_C_SDK_A
CustRevision:CUST

AT+CSUB;+CVERSION
SubEdition: V01

VERSION: LTE01R06A04_BT_C_SDK_A
Apr 25 2024 10:28:19
Authors: QCT