Cellular Connectivity Archives - The Golioth Developer Blog https://blog.golioth.io/category/golioth-connectivity/cellular-connectivity/ Golioth, Zephyr, and IoT Development News and How Tos Sat, 09 Aug 2025 19:54:31 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://blog.golioth.io/wp-content/uploads/2023/09/cropped-Golioth_Symbol_Coral_RGB-1-32x32.png Cellular Connectivity Archives - The Golioth Developer Blog https://blog.golioth.io/category/golioth-connectivity/cellular-connectivity/ 32 32 Use the ESP32 AT Binary to Make Any Zephyr Project Wi-Fi Enabled https://blog.golioth.io/use-the-esp32-at-binary-to-make-any-zephyr-project-wi-fi-enabled/ Tue, 01 Jul 2025 14:17:44 +0000 https://blog.golioth.io/?p=9748 You can add Wi-Fi to any Zephyr project with an ESP32 running the ESP-AT firmware and a couple of configuration symbols in Zephyr. Let the data flow!

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]]> Upcoming Webinar: How an MVNO Troubleshoots Cellular Devices https://blog.golioth.io/upcoming-webinar-how-an-mvno-troubleshoots-cellular-devices/ Tue, 17 Jun 2025 14:28:55 +0000 https://blog.golioth.io/?p=9658 Robert Colvin from Telenor Connexion joins Golioth for a webinar coming up July 2nd, 2025. We will talk about how to troubleshoot cellular deployments and how you can apply some of the lessons learned to your own product.

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]]> Where’s my (Bluetooth) drill? https://blog.golioth.io/wheres-my-bluetooth-drill/ Thu, 15 May 2025 16:31:33 +0000 https://blog.golioth.io/?p=9531 We implemented Golioth's Bluetooth-to-Cloud connectivity on a battery pack on a commercial power drill. We not only monitored power usage of the drill, we also looked up the location of the most recent gateway we connected through and attached that to the drill's device record.

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]]> A Sneak Peek at the Bluetooth-to-Cloud Early Access https://blog.golioth.io/a-sneak-peek-at-the-bluetooth-to-cloud-early-access/ Thu, 10 Apr 2025 16:23:10 +0000 https://blog.golioth.io/?p=9397 Golioth's Bluetooth-to-Cloud is in private access currently, but this post lets you peer behind the curtain to see how it works on some development boards.

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]]> Bringing the SIM7080G modem module to Golioth https://blog.golioth.io/bringing-the-sim7080g-modem-module-to-golioth/ Thu, 03 Apr 2025 14:54:32 +0000 https://blog.golioth.io/?p=9311 The SIMCOM SIM7080G is a Cat M1 / NB-IoT modem that focuses on low power applications. We tested out the modem using Zephyr's subsystem to connect to the Golioth Cloud.

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]]> Connecting ESP32-C6 to Golioth over OpenThread https://blog.golioth.io/connecting-esp32-c6-to-golioth-over-openthread/ Thu, 06 Mar 2025 15:29:45 +0000 https://blog.golioth.io/?p=9157 We continue to showcase seamless Thread support on Golioth. We used the ESP32-C6 development board from Espressif, demonstrating how we successfully connected it to Golioth over OpenThread using ESP-IDF with minimal changes to our Firmware SDK.

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]]> The Miserable State of Modems and Mobile Network Operators https://blog.golioth.io/the-miserable-state-of-modems-and-mobile-network-operators/ https://blog.golioth.io/the-miserable-state-of-modems-and-mobile-network-operators/#comments Tue, 25 Feb 2025 15:18:33 +0000 https://blog.golioth.io/?p=9135 This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.

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]]> https://blog.golioth.io/the-miserable-state-of-modems-and-mobile-network-operators/feed/ 5 Golioth Can Now Run Entirely on Qualcomm Modems https://blog.golioth.io/golioth-can-now-run-entirely-on-qualcomm-modems/ Tue, 04 Feb 2025 15:23:21 +0000 https://blog.golioth.io/?p=8860 Today marks the first implementation of running the entire Golioth firmware stack on a modem processor. This dramatically reduces resource consumption on the external MCU processor, and makes it easier to add Golioth to any hardware or platform.

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]]> Using the ESP32-C3 as an AT modem on the Aludel Elixir https://blog.golioth.io/using-the-esp32-c3-as-an-at-modem-on-the-aludel-elixir/ Thu, 19 Dec 2024 17:46:32 +0000 https://blog.golioth.io/?p=8461 Your ESP32-C3 can act as a secondary modem for any type of primary processor. This post shows how to program and utilize the ESP-AT default firmware.

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]]> NAT is the Enemy of Low Power Devices https://blog.golioth.io/nat-is-the-enemy-of-low-power-devices/ https://blog.golioth.io/nat-is-the-enemy-of-low-power-devices/#comments Thu, 17 Oct 2024 13:00:27 +0000 https://goliothblogdev.wpenginepowered.com/?p=8105 If you have ever tried communicating with a device on a private network, you may have encountered Network Address Translation (NAT). Because the number of connected devices has long outpaced the number of unique addresses in the IPv4 address space, public IP addresses have to be shared between devices. This introduces a number of challenges.

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