WF111-N-V1C

RF Transceiver Modules And Modems Overview

The WF111-N-V1C is an obsolete WiFi module from Silicon Labs supporting the 802.11b/g/n protocol at 2.4GHz. It features a 33-SMD package with integrated chip antenna. The module operates on a supply voltage of 1.7V to 3.6V and supports serial interfaces including PIO, SDIO, and SPI. Key electrical parameters include a maximum output power of 21.1dBm, receiver sensitivity of -97dBm, and a data rate of 72.2Mbps. Operating current ranges from 70mA to 88mA during reception and 74mA to 192mA during transmission. The device functions within a temperature range of -40°C to 85°C.

RF Transceiver Modules And Modems Feature Summary

• Integrated WiFi transceiver module compliant with 802.11b/g/n standards
• Supports multiple serial communication interfaces for host connectivity
• Includes built-in chip antenna eliminating external RF components
• Designed for surface-mount assembly in compact electronic devices

RF Transceiver Modules And Modems Applications

• IoT sensor nodes requiring wireless connectivity
• Smart home control devices
• Industrial monitoring equipment
• Consumer electronics with WiFi capabilities

RF Transceiver Modules And Modems Procurement Notes

This component is officially listed as obsolete by Silicon Labs. Procurement should focus on verifying the authenticity of remaining stock from authorized distributors or secondary market suppliers. Ensure that any acquired units match the specific N suffix variant requirements. Check for recent production change notices regarding assembly sites or material substitutions before integration into new designs.

RF Transceiver Modules And Modems Selection Notes

Engineers must consider the obsolete status when selecting this part for new projects. Verify if the 21.1dBm output power variant meets regulatory requirements for target markets. Confirm interface compatibility with the host microcontroller's available serial ports. Evaluate thermal management needs given the operating current variations across different transmission modes.

RF Transceiver Modules And Modems Part Context

The WF111 series represents Silicon Labs' earlier generation of standalone WiFi modules. This specific model integrates the radio and baseband processing into a single SMD package. It was designed to simplify WiFi implementation compared to discrete solutions. The product line has been succeeded by newer generations offering improved performance and lower power consumption.

RF Transceiver Modules And Modems Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the obsolete lifecycle status. Designers should consult Silicon Labs for current portfolio recommendations or evaluate third-party compatible modules with similar pinouts and specifications.