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Explore our articles – Building & Debugging

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All Topics Building & Debugging Connectivity IoT Strategies Low Power Network Technology News & Press Release Platform Security SIMs Standards Clear filter
ICCID numbers and how to find them
Articles
ICCID numbers and how to find them
Building & Debugging SIMs
An ICCID (Integrated Circuit Card Identification) number is a unique identifier for circuit cards, such as SIM cards. Read this article to find out more about ICCID, it’s uses, and how to find it on a SIM.
cellular IoT network logs
Articles
Simplify troubleshooting with Network Logs
Building & Debugging Platform
See insights about IoT devices with Network Logs and debug connectivity issues faster. Network Logs are handy for fixing issues with FPLMN lists, deactivated SIMs, and much more.
MQTT to MQTTS with Onomondo Connectors
Articles
How to go from MQTT to MQTTS with a TLS connector
Building & Debugging Platform
Here’s how to use MQTT to save data and battery for IoT devices, while staying as secure with MQTTS thanks to Onomondo’s TLS connector.
at cpol for adding network preference lists
Articles
How to add a Network Preference List (PLMN) to a SIM
Building & Debugging
Network preference lists (PLMNs) are a way to prioritize specific networks over other available networks. Here’s how to set the PLMN using AT commands.
Ping your modem with AT commands
Articles
How to ping your modem using AT commands
Building & Debugging
Checking your modem’s data connection by performing a ping after a successful network attachment can help debug connectivity issues. This blog shows you how.
How to clear the FPLMN list
Articles
How to clear the FPLMN (forbidden network) list on a SIM
Building & Debugging
The FPLMN list on a SIM tells a device which networks it can’t connect to. It reduces failed connection attempts but sometimes needs to be cleared; here’s how.

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AT+COPS
Articles
AT+COPS: Modes, parameters, and examples
Building & Debugging
atpluscereg
Articles
AT+CEREG: Modes, parameters, and examples
Building & Debugging
at+cgreg
Articles
AT+CGREG: Modes, parameters, and examples
Building & Debugging
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