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HomeProductsRF/IF and RFIDRF Transceiver Modules and ModemsWT11U-A-AI4
Silicon Labs
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See specifications for product details.

WT11U-A-AI4 - Silicon Labs

Manufacturer Part Number
WT11U-A-AI4
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-WT11U-A-AI4
ECAD Model
Parts Description
RF TXRX MOD BT CHIP + U.FL SMD
Detailed Description
Package
Module
Data sheet
WT11U-A-AI4.pdf
In stock: 3920

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Quantity

Specifications

WT11U-A-AI4 Tech Specifications
Silicon Labs - WT11U-A-AI4 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - WT11U-A-AI4

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply 3V ~ 3.6V  
Utilized IC / Part -  
Series -  
Serial Interfaces SPI, UART, USB  
Sensitivity -88dBm  
RF Family/Standard Bluetooth  
Protocol Bluetooth v2.1 +EDR, Class 1  
Power - Output 17dBm  
Package / Case Module  
Package Strip  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation -  
Memory Size -  
Frequency -  
Data Rate 3Mbps  
Current - Transmitting 88mA ~ 138mA  
Current - Receiving 36mA  
Base Product Number WT11  
Antenna Type Integrated, Chip + U.FL  

Parts Introduction

Manufacturer Part Number

WT11U-A-AI4

Manufacturer

Energy Micro (Silicon Labs)

Introduction

RF Transceiver Module

Supports Bluetooth v2.1+EDR, Class 1

Product Features and Performance

Operating Temperature: -40°C to 85°C

Supply Voltage: 3V to 3.6V

Transmit Current: 88mA to 138mA

Receive Current: 36mA

Output Power: 17dBm

Sensitivity: -88dBm

Integrated Chip Antenna and U.FL Connector

Supports SPI, UART, and USB Interfaces

Data Rate: 3Mbps

Product Advantages

Wide Operating Temperature Range

Low Power Consumption

Integrated Antenna Options

Multiple Serial Interface Options

High-Performance RF Transceiver

Key Technical Parameters

Bluetooth Version: 2.1+EDR, Class 1

Package: Surface Mount Module

Base Product Number: WT11

Quality and Safety Features

Compliant with Relevant Bluetooth and RF Standards

RoHS Compliant

Compatibility

Compatible with Bluetooth-enabled Devices

Application Areas

Wireless Communication

Bluetooth-based IoT and Embedded Applications

Product Lifecycle

Currently Available

Replacement or Upgrade Options May Be Available in the Future

Key Reasons to Choose This Product

Wide Operating Temperature Range Suitable for Demanding Environments

Low Power Consumption for Battery-powered Applications

Flexible Antenna Options to Meet Design Requirements

Supports Multiple Serial Interfaces for Easy Integration

High-Performance RF Transceiver for Reliable Wireless Communication

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs WT11U-A-AI4

Product Attribute WT11U-A-AI4 WT11U-A-HCI21001 WT11U-A-AI56 WT12-A-AI3
Part Number WT11U-A-AI4 WT11U-A-HCI21001 WT11U-A-AI56 WT12-A-AI3
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Current - Transmitting 88mA ~ 138mA 110mA 110mA 70mA
Utilized IC / Part - - - BlueCore4
Base Product Number WT11 WT11 WT11 -
Antenna Type Integrated, Chip + U.FL Integrated, Chip Integrated, Chip Integrated, Chip
Package Strip Tape & Reel (TR) Tape & Reel (TR) Strip
Series - - - -
Data Rate 3Mbps - - 3Mbps
Modulation - - - DQPSK, GFSK
Package / Case Module Module Module Module
Power - Output 17dBm 17dBm 16.5dBm 3dBm
RF Family/Standard Bluetooth Bluetooth Bluetooth Bluetooth
Voltage - Supply 3V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 3.1V ~ 3.6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Protocol Bluetooth v2.1 +EDR, Class 1 Bluetooth v2.1 +EDR Bluetooth v2.1 +EDR Bluetooth v2.1 +EDR, Class 2
Serial Interfaces SPI, UART, USB UART, USB SPI, USART, USB PIO, SPI, UART, USB
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Receiving 36mA 36mA 36mA 70mA
Frequency - 2.4GHz 2.4GHz 2.4GHz
Sensitivity -88dBm -84dBm -88dBm -86dBm
Memory Size - - - 8MB Flash

WT11U-A-AI4 Datasheet PDF

Download WT11U-A-AI4 pdf datasheets and Silicon Labs documentation for WT11U-A-AI4 - Silicon Labs.

PCN Packaging
2.73KHz.pdf
PCN Obsolescence/ EOL
WT11U EOL 8/Mar/2022.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Silicon Labs

WT11U-A-AI4

Silicon Labs
32D-WT11U-A-AI4

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