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…
Omari HusseinJuly 26, 2023
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…
Omari HusseinMay 10, 2023
How to open Multiple Sockets Connection with Siretta Modems Introduction This application note explains how to simultaneously open up to 10 remote TCP/IP data sockets connecting to multiple destinations using…
Paul GibbonsMarch 14, 2023
CSD Overview Many aging applications in use today utilized the circuit switched dialing (CSD) service available on older style modems and communication devices. The CSD service allows a device to…
Paul GibbonsMarch 11, 2023
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…
Omari HusseinMarch 6, 2023
Circuit switched networks physically connect two endpoints together using a communication channel through the network. This utilises a fixed bandwidth for the session whilst the two endpoints remain connected. Packet…
Paul GibbonsFebruary 24, 2023
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…
Omari HusseinFebruary 23, 2023
Step 1) Open Hyperterminal (or your preferred terminal emulator) Step 2) Select new connection Step 3) Name your port Step 4) Choose the correct COM port Step 5) Configure the…
Paul GibbonsFebruary 20, 2023
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…
Omari HusseinFebruary 17, 2023