WF111-A-V1C

RF Transceiver Modules And Modems Overview

The WF111-A-V1C is a fully integrated single-band 2.4 GHz Wi-Fi module supporting IEEE 802.11b/g/n protocols, manufactured by Silicon Labs. It features an integrated chip antenna and operates within a supply voltage range of 1.7 V to 3.6 V. The module delivers a maximum output power of 17 dBm and achieves a receiver sensitivity of -97 dBm. It supports data rates up to 72.2 Mbps and includes serial interfaces such as PIO, SDIO, and SPI. Designed for surface-mount installation, it functions reliably across temperatures from -40°C to +85°C.

RF Transceiver Modules And Modems Feature Summary

• Fully integrated 2.4 GHz RF transceiver with built-in chip antenna
• Supports 802.11b/g/n wireless LAN standards
• Includes internal temperature sensor for environmental monitoring

RF Transceiver Modules And Modems Applications

• Portable battery-powered devices requiring Wi-Fi connectivity
• Smart home IoT sensors and actuators
• Industrial monitoring equipment operating in extreme temperatures

RF Transceiver Modules And Modems Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'V1C' matches project requirements, as variants may differ in packaging or minor specifications. Check current lifecycle status, as this model may be obsolete. Ensure ESD handling procedures are followed during storage and assembly due to moisture sensitivity classification.

RF Transceiver Modules And Modems Selection Notes

Select this module when a compact, low-power solution with integrated antenna is required for 2.4 GHz applications. Consider the ARM Cortex-M0 core capabilities if local processing is needed. Evaluate interface compatibility (SPI/SDIO) with the host microcontroller. Assess thermal management needs given the wide operating temperature range and potential self-heating during high-data-rate transmission.

RF Transceiver Modules And Modems Part Context

The WF111 series represents Silicon Labs' entry into the Wi-Fi module market, targeting cost-sensitive and space-constrained embedded applications. The WF111-A-V1C variant specifically denotes the version with an integrated antenna, distinguishing it from models like the WF111-E-V1 which require external U.FL connectors. This family simplifies PCB layout by eliminating external RF matching networks.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the WF111 series is listed as obsolete, engineers should consult Silicon Labs for current portfolio recommendations or verify cross-compatibility with newer modules such as the WFM111 series, ensuring pinout and firmware support alignment.