WT41U-E-AI56

RF Transceiver Modules And Modems Overview

The Silicon Labs WT41U-E-AI56 is a Bluetooth v2.1 + EDR RF transceiver module operating at 2.4GHz. It features Class 1 performance with an output power of 17dBm and receiver sensitivity of -94dBm. The module supports SPI, UART, and USB serial interfaces and requires a 3.3V supply voltage. Electrical characteristics include a receive current of 44mA and a transmit current of 85mA. It operates within a temperature range of -40°C to 85°C and utilizes a U.FL connector for external antenna connection in a surface-mount package.

RF Transceiver Modules And Modems Feature Summary

• Supports Bluetooth v2.1 + EDR protocol with Class 1 long-range capability
• Integrates high-performance RF transceiver with 17dBm output power
• Provides flexible connectivity via SPI, UART, and USB serial interfaces

RF Transceiver Modules And Modems Applications

• Long-range wireless data transmission systems
• Industrial sensor networks requiring robust Bluetooth connectivity
• Consumer electronics utilizing Class 1 Bluetooth profiles

RF Transceiver Modules And Modems Procurement Notes

This component has reached End-of-Life (EOL) status as confirmed by Product Change Notification dated March 8, 2022. Procurement is restricted to remaining stock or secondary market sources. Verify part authenticity carefully due to the discontinued status. Ensure compatibility with replacement components such as the BT122-A-V2R before finalizing acquisition plans.

RF Transceiver Modules And Modems Selection Notes

Select this module only if legacy Bluetooth v2.1 + EDR support is strictly required. Note that it lacks integrated antennas, necessitating external U.FL connections. Consider modern alternatives for new designs due to EOL status. Verify interface requirements against system constraints, as it supports multiple serial protocols including USB and UART.

RF Transceiver Modules And Modems Part Context

The WT41U-E-AI56 belongs to the Silicon Labs WT41u series of highly integrated Bluetooth modules. This series is designed for applications demanding long-range communication capabilities. The specific 'E' suffix indicates the variant equipped with a U.FL connector for external antenna attachment, distinguishing it from models with integrated chip antennas.

RF Transceiver Modules And Modems Replacement Considerations

Silicon Labs recommends the BT122-A-V2R as a manufacturer-approved substitute. Verify mechanical footprint and pinout compatibility when transitioning to the replacement model.