Top "At-command" questions

AT Commands are text commands for communicating with a modem.

AT command AT+CPMS="SM","SM","MT"

I needed a clarification about the AT command AT+CPMS="SM","SM","MT" Although this AT command work with most …

mobile communication nokia at-command
Android: How to read low level network info (RSCP, EcN0, Layer 3 Signalling)?

I'm trying to create android app for measuring 2G 3G network similar to QualiPoc. I'm aware that there is basic …

android gsm at-command umts
Terminating a voice call via AT Command

Im working on a hobby project involving an Arduino and TC35 GSM Module, all is going well really but I …

arduino gsm at-command
SIM900 AT Commands response parsing

i am using sim900 gps/gprs module shield connected to an Arduino Uno, how will i be able to parse …

arduino sms at-command sim900
Is my SIM card faulty or is my provider annoying me?

I'm trying to establish a PPP connection using pppd and AT Commands. This usually works fine with a SIM card …

gprs at-command ppp sim-card
Sending AT commands to SIM900 whilst pppd is active

I have a Raspberry Pi with a SIM900 GSM add-on board connected. I have managed to establish a GPRS connection …

raspberry-pi gsm at-command pppd sim900
SIM800L GSM module not connect to network

I have a SIM800L module and I want to send SMS. But this module is not connect to network. …

gsm at-command sim800
Send At Command to gsm modem with Java

I am trying to make a program to send a sms. I wrote the program but doesn't successfully send the …

java gsm at-command gsmcomm
AT commands for sim900 to find sim card number

Which AT commands is used to find the sim card number for SIM900 modem? I have a sim card which …

at-command sim900
How can I make continuous communication with OBD II ELM327 adapter?

Currently I am working on an app where I have established a connection with OBD II ELM 327 adapter and I …

android bluetooth at-command obd-ii