description Laird Connectivity BL654 Overview
The Laird Connectivity BL654, now marketed under the Ezurio brand, is a high-performance wireless module designed for industrial Internet of Things applications. Built around a robust system-on-chip architecture, it supports Bluetooth Low Energy, Thread, and Zigbee mesh networking protocols. The module is engineered to provide secure, reliable wireless communication in demanding environments where telemetry and data collection are critical. It is intended for hardware engineers and developers building long-range, battery-operated industrial devices.
help Laird Connectivity BL654 FAQ
What chip is inside the Laird Connectivity BL654?
The BL654 module is built around Nordic Semiconductor's nRF52840 system-on-chip. Laird Connectivity, now Ezurio, packages that radio and compute platform as a module for embedded products.
Which wireless protocols can the BL654 support?
The module supports Bluetooth Low Energy and is designed for Thread and Zigbee mesh applications. That makes it suitable for industrial IoT nodes, sensors and gateways that need low-power wireless links.
Is the BL654 a bare Bluetooth chip or a ready module?
The BL654 is a module, not just a bare nRF52840 chip. Using a module can simplify RF layout and certification work, but the designer still has to follow Ezurio's hardware, antenna and firmware guidance.
Can the BL654 be used for Bluetooth Mesh?
Yes, Bluetooth Mesh is within the module's low-power wireless use cases, alongside BLE point-to-point or broadcast functions. The exact mesh behavior depends on the firmware and stack loaded into the BL654 design.
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