WF111-E-V1-ETSI

RF Transceiver Modules And Modems Overview

The WF111-E-V1-ETSI is a WiFi 802.11b/g/n RF transceiver module manufactured by Silicon Labs, designed for surface mount installation. It operates at a frequency of 2.4GHz with a maximum data rate of 72.2Mbps and supports serial interfaces including PIO, SDIO, and SPI. The module features a U.FL connector for external antennas and does not include an integrated antenna. It provides a sensitivity of -97dBm and an output power of 21.1dBm. The device functions within a supply voltage range of 1.7V to 3.6V and supports an operating temperature range from -40°C to 85°C.

RF Transceiver Modules And Modems Feature Summary

• Supports 802.11b/g/n protocols for wireless connectivity
• Includes U.FL connector interface for external antenna attachment
• Compatible with PIO, SDIO, and SPI serial communication protocols

RF Transceiver Modules And Modems Applications

• IoT end devices requiring Wi-Fi connectivity
• Embedded systems utilizing Silicon Labs microcontrollers
• Industrial equipment operating in wide temperature ranges

RF Transceiver Modules And Modems Procurement Notes

Verify the specific ETSI regulatory compliance requirements for your target market before procurement. Confirm that the U.FL connector type matches your PCB layout and antenna selection. Ensure the host system provides the necessary voltage levels and current capacity within the specified 1.7V to 3.6V range. Check for any recent product change notices or obsolescence announcements from Silicon Labs regarding this component.

RF Transceiver Modules And Modems Selection Notes

Select this module when 802.11b/g/n compatibility is sufficient for the application. Consider the 21.1dBm output power for range requirements. Evaluate the need for external antennas due to the U.FL interface. Verify that the host processor supports the required serial interfaces. Assess thermal management needs for the -40°C to 85°C operating range.

RF Transceiver Modules And Modems Part Context

This component belongs to the WF111 series of Wi-Fi modules from Silicon Labs. These modules are typically paired with Silicon Labs' EFM32 and EZR32 Wireless Gecko MCUs for complete IoT solutions. The ETSI suffix indicates compliance with European Telecommunications Standards Institute regulations, specifically enabling 13 channels for operation in regions requiring such configuration.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Silicon Labs resources for current alternatives.