WT11I-A-HCI21001C

Description：RF TXRX MOD BT CHIP + U.FL SMD
Series：-
Mfr：Silicon Labs
Package：-

SKU:3986052d6c2f Category: RF Transceiver Modules and Modems Brand: Silicon Labs

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Product introduction

WT11I-A-HCI21001C is listed in the RF Transceiver Modules And Modems range at ChipApex. The manufacturer field lists Silicon Labs. Its product description is RF TXRX MOD BT CHIP + U.FL SMD. Review the specifications below when checking this part for your BOM.

RF Transceiver Modules And Modems specifications for WT11I-A-HCI21001C

Description：RF TXRX MOD BT CHIP + U.FL SMD
Series：-
Mfr：Silicon Labs
Package：-
RF Family/Standard：Bluetooth
Protocol：Bluetooth v2.1 +EDR, Class 1
Modulation：-
Frequency：-
Data Rate：3Mbps
Power - Output：17dBm
Sensitivity：-86dBm
Serial Interfaces：PIO, SPI, UART, USB
Antenna Type：Integrated, Chip + U.FL
Utilized IC / Part：BlueCore4
Memory Size：-
Voltage - Supply：2.7V ~ 3.6V
Current - Receiving：39mA
Current - Transmitting：54mA ~ 128mA
Mounting Type：Surface Mount
Operating Temperature：-40°C ~ 85°C
Package / Case：28-SMD Module

RF Transceiver Modules And Modems datasheet and documents for WT11I-A-HCI21001C

WT11I-A-HCI21001C

RF Transceiver Modules And Modems Overview

The WT11I-A-HCI21001C is a Bluetooth 2.1 + EDR Class 1 transceiver module manufactured by Silicon Labs. It features an integrated chip antenna and U.FL connector option, supporting GPIO, PCM, SPI, UART, and USB interfaces. The module operates on a 3.2 V to 3.4 V supply with a maximum output power of 17 dBm and receiver sensitivity of -84 dBm. Data rates reach 3 Mb/s. Operating temperatures range from -40°C to +85°C. Dimensions are 35.75 mm x 14.5 mm x 2.6 mm. This component supports iWRAP 5.0 firmware and includes an 802.11 co-existence interface.

RF Transceiver Modules And Modems Feature Summary

Supports Bluetooth 2.1 + EDR protocol with Class 1 performance for extended range connectivity.
Integrates multiple digital interfaces including GPIO, PCM, SPI, UART, and USB for flexible system integration.
Includes an 802.11 co-existence interface to manage interference in dual-radio environments.

RF Transceiver Modules And Modems Applications

Industrial wireless sensor networks requiring robust long-range communication
Medical device telemetry systems needing reliable short-range data transfer
Consumer electronics utilizing Bluetooth 2.1 connectivity standards

RF Transceiver Modules And Modems Procurement Notes

Verify the specific suffix 'HCI21001C' against current Silicon Labs documentation to confirm firmware version and hardware revision compatibility. Ensure that the required interface configuration matches the target application's pinout requirements. Confirm end-of-life status implications for long-term production support before finalizing procurement plans.

RF Transceiver Modules And Modems Selection Notes

Select this module when Bluetooth 2.1 + EDR Class 1 performance is required alongside multiple digital interface options. Consider the integrated chip antenna design for compact form factors or the U.FL connector variant if external antenna flexibility is needed. Evaluate thermal management capabilities within the specified -40°C to +85°C operating range for the intended environment.

RF Transceiver Modules And Modems Part Context

This component belongs to the Silicon Labs WT11 series of fully integrated Bluetooth modules. These modules combine the Bluetooth radio, baseband processor, and memory into a single surface-mount package. The WT11 series is designed to simplify development by providing pre-certified solutions for various Bluetooth profiles and interface configurations.