Omari Hussein, Author at Siretta Limited

Updating QUARTZ Router Module Firmware Over-The-Air (Remotely)

Applicable Products Part number Description QUARTZ-22-LTE (EU) Dual Port Dual SIM LTE Router (EU) QUARTZ-COMPACT-11-LTE (EU) Single Port Compact LTE Router (EU) QUARTZ-COMPACT-G11-LTE (EU) Single Port Compact LTE Router (EU) with GPS QUARTZ-GOLD-W21-LTE4 (EU) Gigabit Ethernet RS232 Industrial Router with…

Omari HusseinMay 28, 2026

Updating QUARTZ Router Module Firmware Over-The-Air

Applicable Products Part number Description QUARTZ-22-LTE (EU) Dual Port Dual SIM LTE Router (EU) QUARTZ-COMPACT-11-LTE (EU) Single Port Compact LTE Router (EU) QUARTZ-COMPACT-G11-LTE (EU) Single Port Compact LTE Router (EU)…

Omari HusseinApril 8, 2026

Router Application Notes

Using ZeroTier VPN as a client with QUARTZ routers

Applicable Products Part number Description QUARTZ-22-LTE (EU) Dual Port Dual SIM LTE Router (EU) QUARTZ-COMPACT-11-LTE (EU) Single Port Compact LTE Router (EU) QUARTZ-COMPACT-G11-LTE (EU) Single Port Compact LTE Router (EU) with GPS …

Omari HusseinFebruary 25, 2026

Modem Application Notes

How to Program A Siretta Modem using AppZone C

Introduction This application note is produced for customers who may wish to develop their own application to run on Siretta Modems using AppZone C. What is AppZone C? AppZone…

Omari HusseinJune 4, 2025

Modem Application Notes

Ultra Low Power Operation with a Siretta NLP Modem

Applicable Products Part number Description ZETA-NLP-LTE1 (EU) Ultra Low Power European LTE Cat 1 Modem ZETA-NLP-LTEM (GL) Ultra Low Power Global LTE Cat M Modem Objective Power consumption is one…

Omari HusseinMarch 27, 2025

Modem Application Notes

GPS Latitude Longitude Conversion Guide for Google Maps

Applicable Products Part number Description ZETA-GEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO and GNSS ZETA-G-GPRS Entry Level GPRS Modem with GNSS (GL) Objective In some applications,…

Omari HusseinMarch 27, 2025

Modem Application Notes

Dial-up Networking using a Siretta Industrial Modem

Applicable Products Part number Description ZETA-GEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO and GNSS ZETA-G-GPRS Entry Level GPRS Modem with GNSS (GL) ZETA-N2-GPRS Entry Level GPRS…

Omari HusseinMarch 27, 2025

Modem Application Notes

Standard Modem COM Port Settings

Applicable Products Part number Description ZETA-GEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO and GNSS ZETA-G-GPRS Entry Level GPRS Modem with GNSS (GL) ZETA-N2-GPRS Entry Level GPRS…

Omari HusseinMarch 27, 2025

Modem Application Notes

Modem Troubleshooting

Applicable Products Part number Description ZETA-GEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO and GNSS ZETA-G-GPRS Entry Level GPRS Modem with GNSS (GL) ZETA-N2-GPRS Entry Level GPRS…

Omari HusseinMarch 27, 2025

Modem Application Notes

Circuit Switched vs Packet-Switched Networks

Circuit switched networks physically connect two endpoints using a communication channel through the network. This utilises a fixed bandwidth for the session whilst the two endpoints remain connected. Packet switched…

Omari HusseinMarch 27, 2025

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Omari Hussein

Updating QUARTZ Router Module Firmware Over-The-Air (Remotely)

Updating QUARTZ Router Module Firmware Over-The-Air

Using ZeroTier VPN as a client with QUARTZ routers

How to Program A Siretta Modem using AppZone C

Ultra Low Power Operation with a Siretta NLP Modem

GPS Latitude Longitude Conversion Guide for Google Maps

Dial-up Networking using a Siretta Industrial Modem

Standard Modem COM Port Settings

Modem Troubleshooting

Circuit Switched vs Packet-Switched Networks

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