WIZnet Co., Ltd.

South Korea

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WIZnet Co., Ltd. is a South Korean fabless semiconductor and embedded networking hardware manufacturer established in 1998. The company pioneered hardwired TCP/IP offload technology (iMCU™ / TOE) and designs network processors, microcontrollers, and wireless communications modules for industrial automation and IoT devices.

Headquartered in Seongnam-si, Gyeonggi-do, WIZnet maintains an international presence with sales and technical support operations in South Korea, Hong Kong, the United States, and China, alongside a distribution network spanning more than 70 international partners. Its product ecosystem supports open-source development ecosystems, including standard microcontroller boards and Raspberry Pi architectures.

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WIZnet develops and manufactures industrial-grade embedded wireless communication modules, Ethernet network processors, and prototyping platforms:

Industrial Wi-Fi Modules: Products such as the WizFi360 and WizFi630S series, featuring 2.4 GHz IEEE 802.11b/g/n compliance, UART baud rates up to 2 Mbps, SoftAP/Station/SoftAP+Station modes, and an industrial operating temperature range of -40°C to +85°C.
Pre-Certified RF Transceiver Modules: Pin-compatible modules offering PCB trace antennas or U.FL external antenna connectors, certified with CE and FCC.
Evaluation & Development Kits: Prototyping hardware including WizFi360-EVB-Mini (NodeMCU pin-compatible), WizFi360-EVB-Shield (Arduino pin-compatible), and WizFi360-EVB-Pico (RP2040 Wi-Fi integration).
Hardwired TCP/IP Chips & Serial-to-Ethernet Modules: High-performance Ethernet controller ICs (W5500, W5100S, W6100) and embedded internet offload modules.

WIZnet Co., Ltd.

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