WIZFI220-EX

RF Transceiver Modules And Modems Overview

The WIZFI220-EX is an industry-standard RF integrated circuit designed by WIZnet, functioning as a WiFi module compliant with the IEEE 802.11b protocol. It operates within the 2.4 GHz to 2.497 GHz frequency range and supports data transfer rates up to 11 Mbps. The component integrates an external power amplifier to enhance transmission capabilities. It utilizes SPI and UART interfaces for communication and is packaged in a surface-mount configuration featuring a U.FL connector.

RF Transceiver Modules And Modems Feature Summary

• Integrates an external power amplifier for enhanced RF output performance
• Supports standard IEEE 802.11b wireless communication protocols
• Provides flexible connectivity through SPI and UART interface options

RF Transceiver Modules And Modems Applications

• Embedded IoT device networking
• Industrial automation systems requiring wireless control
• Smart home appliance connectivity modules

RF Transceiver Modules And Modems Procurement Notes

Verify component authenticity carefully due to its discontinued status. Confirm that the specific EX suffix variant matches the required hardware specifications, particularly regarding the integrated external power amplifier. Ensure compatibility with existing U.FL antenna connectors and validate interface signal levels against the target microcontroller before integration.

RF Transceiver Modules And Modems Selection Notes

Select this component when a dedicated 802.11b solution with extended range via an external power amplifier is required. It serves as a specialized alternative to standard WiFi transceivers lacking integrated amplification. Consider the discontinuation status and evaluate if newer models like the WIZFI360 series offer viable long-term supply chain stability for production designs.

RF Transceiver Modules And Modems Part Context

This module belongs to the WizFi family of wireless solutions from WIZnet, a semiconductor company specializing in embedded networking technologies. While the broader product line includes Ethernet controllers and other wireless modules, the WIZFI220-EX specifically addresses applications needing robust 2.4 GHz wireless transmission with amplified output capabilities.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available. The component is listed as discontinued. Designers should evaluate the WIZFI360-CON or similar modern alternatives for new projects, ensuring functional equivalence in protocol support and interface requirements.