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SparkFun MicroMod Update Tool

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Access the SARA-R5 UART in a compatible MicroMod Asset Tracker with this update tool. A CH340C provides USB-to-serial communication, with eight UART signals available for interfacing and evaluation. The tool is a service bridge rather than a full MicroMod processor, supporting workflows such as using appropriate cellular evaluation software with the installed module.

Before you buy

Verify carrier/module compatibility and the update procedure before attaching the tool or changing firmware.

SparkFun SKU: DEV-17725 · Category: MicroMod service tools

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Official product specifications and documentation

EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter on 2026-10-25. Affiliate eligibility remains subject to SparkFun's program terms.