Würth Elektronik Presents New Radio Module Variants

Why It Matters

The modules give manufacturers a fast‑track Bluetooth 6.0 solution and a flexible IoT development kit, shortening time‑to‑market and cutting BOM costs.

Key Takeaways

• 8×12×2.3 mm modules with 1.5 MB flash
• Supports Bluetooth LE 6.0, Matter, Thread, Zigbee, NFC
• 10 mA TX at +8 dBm, 3.2 mA RX
• Operates –40 °C to +105 °C, 1.7‑3.6 V
• Ophelia‑IV enables Zephyr RTOS custom firmware

Pulse Analysis

The launch of Würth Elektronik’s Proteus‑IV and Ophelia‑IV modules reflects a broader industry shift toward highly integrated, multi‑protocol radio solutions. Leveraging Nordic’s nRF54L15 SoC, which combines a 128 MHz Arm‑Cortex‑M33 core with an RISC‑V coprocessor, the new modules deliver the processing power needed for complex edge‑AI tasks while maintaining a tiny footprint. Their support for Bluetooth LE 6.0, Matter, Thread, Zigbee, NFC and IEEE 802.15.4 positions them as versatile building blocks for the rapidly expanding smart‑home and industrial IoT ecosystems.

Proteus‑IV targets OEMs that need a certified, plug‑and‑play Bluetooth solution. With preinstalled firmware and full support for all BLE roles, developers can integrate the module directly into products, reducing certification cycles and engineering effort. Ophelia‑IV, by contrast, offers a blank canvas for developers to craft bespoke firmware using the Zephyr RTOS and nRF Connect SDK, enabling proprietary protocol stacks or highly specialized sensor networks. Both modules boast impressive power figures—10 mA for 1 Mbps transmission at +8 dBm and just 0.8 µA in standby—making them ideal for battery‑constrained applications.

For the IoT market, these modules promise faster product launches and lower total cost of ownership. Their wide operating temperature range (‑40 °C to +105 °C) and flexible supply voltage (1.7 V‑3.6 V) meet the rugged demands of industrial deployments, while the compact WLCSP package frees up PCB real estate for dense designs. As manufacturers race to embed connectivity into everything from wearables to smart factories, Würth Elektronik’s new offerings provide a compelling blend of ready‑made certification and developer freedom, likely accelerating adoption of next‑generation wireless standards.