Omari Hussein

Introduction This application note shows step by step how to test a roaming sim card using a Siretta Modem. NOTE - All Siretta Modems can be used for testing a…

Introduction MQTT stands for Message Queuing Telemetry Transport. It is a simple lightweight protocol for transmitting and receiving data in IoT devices and uses very low power, low data rate…

Introduction MQTT stands for Message Queuing Telemetry Transport. It is a simple lightweight protocol for transmitting and receiving data in IoT devices and uses very low power, low data rate…

This Application Note is designed for customers who are looking to test their GPS antenna performance using a Siretta GNSS Modem. Requirements Siretta GNSS Modem such as ZETA-GEP-LTE4 (EU) PC…

Introduction This application note shows how to send an AT command directly to a Siretta Modem using a Mobile phone or SMS relay service. The text messages (SMS) containing AT…

GPRS Connection //Set extended error messages AT+CMEE=2 //Set GPRS APN Name AT+CGDCONT=1,”IP”,”APN Name” Outgoing Connection //Set packet size and timeouts on context 1-6 AT#SCFG=1,1,300,90,600,50 //Open GPRS context 1-6 with GPRS…

GPRS Connection Parameters //Set extended error messages AT+CMEE=2 //Set GPRS APN Name AT+CGDCONT=1,”IP”,”APN Name” //Set GPRS Username AT#USERID=”username” //Set GPRS Password AT#PASSW=”password” Outgoing Connection (Old Commands) //Open GPRS context 1…

Introduction VoLTE uses 4G (LTE) technology to transfer voice audio from one point to another using digital packets as opposed to 3G (UMTS) and 2G (GSM) networks which transfer voice…