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HomeProductsRF/IF and RFIDRF Transceiver Modules and ModemsWT21-A-HCI
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WT21-A-HCI - Silicon Labs

Manufacturer Part Number
WT21-A-HCI
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-WT21-A-HCI
ECAD Model
Parts Description
RF TXRX MOD BLUETOOTH CHIP SMD
Detailed Description
Package
Module
Data sheet
WT21 Datasheet.pdf
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In stock: 4870

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Specifications

WT21-A-HCI Tech Specifications
Silicon Labs - WT21-A-HCI technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - WT21-A-HCI

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply 1.8V ~ 3.6V  
Utilized IC / Part -  
Series -  
Serial Interfaces PIO, SDIO, SPI, UART  
Sensitivity -87dBm  
RF Family/Standard Bluetooth  
Protocol Bluetooth v2.1 +EDR  
Power - Output 6dBm  
Package / Case Module  
Product Attribute Attribute Value  
Package Strip  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation -  
Memory Size -  
Frequency 2.4GHz  
Data Rate 3Mbps  
Current - Transmitting -  
Current - Receiving -  
Antenna Type Integrated, Chip  

Parts Introduction

Manufacturer Part Number

WT21-A-HCI

Manufacturer

Energy Micro (Silicon Labs)

Introduction

RF transceiver module with Bluetooth v2.1 + EDR support

Product Features and Performance

4GHz operating frequency

-40°C to 85°C operating temperature range

8V to 3.6V supply voltage

6dBm output power

-87dBm sensitivity

Integrated chip antenna

3Mbps data rate

Supports PIO, SDIO, SPI, and UART interfaces

Product Advantages

Small form factor surface mount module

Low power consumption

Integrated antenna for simplified design

Key Technical Parameters

Frequency: 2.4GHz

Operating Temperature: -40°C to 85°C

Supply Voltage: 1.8V to 3.6V

Output Power: 6dBm

Antenna Type: Integrated Chip

Sensitivity: -87dBm

Data Rate: 3Mbps

Interfaces: PIO, SDIO, SPI, UART

Quality and Safety Features

RoHS compliant

Suitable for industrial and commercial applications

Compatibility

Bluetooth v2.1 + EDR compatible

Application Areas

Wireless communication

Industrial control systems

Consumer electronics

Product Lifecycle

Currently in production

Replacement or upgrade parts available

Key Reasons to Choose This Product

Small size and low power for space-constrained designs

Integrated antenna simplifies circuit design

Wide operating temperature range for harsh environments

Robust Bluetooth v2.1 + EDR support

Multiple interface options for easy integration

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs WT21-A-HCI

Product Attribute WT21-A-HCI SIM7600SA CC3000MODT RFD22301
Part Number WT21-A-HCI SIM7600SA CC3000MODT RFD22301
Manufacturer Silicon Labs SIMCom Wireless Solutions Limited Texas Instruments RF Digital
Sensitivity -87dBm - -97.5dBm -93dBm
Package / Case Module 87-SMD Module Module 19-SMD Module
Memory Size - - - -
Protocol Bluetooth v2.1 +EDR EDGE, GPRS, HSPA+, LTE, WCDMA 802.11b/g Bluetooth v4.0
Utilized IC / Part - - - -
Frequency 2.4GHz 850MHz, 900MHz, 1.8GHz, 1.9GHz 2.4GHz 2.4GHz
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -20°C ~ 70°C -
RF Family/Standard Bluetooth Cellular WiFi Bluetooth
Voltage - Supply 1.8V ~ 3.6V 3.4V ~ 4.2V 1.8V ~ 3.6V 2.1 V ~ 3.6 V
Current - Receiving - - 92mA 12mA
Data Rate 3Mbps 10Mbps 54Mbps 8Mbps
Series - SIM7600 SimpleLink™ -
Modulation - - CCK, DSSS, OFDM -
Antenna Type Integrated, Chip Antenna Not Included Integrated, Chip Integrated, Chip
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Serial Interfaces PIO, SDIO, SPI, UART ADC, I²C, PCM, SPI, UART, USB I²C, SPI, UART SPI, UART
Current - Transmitting - - 190mA ~ 260mA 12mA
Power - Output 6dBm - 18.3dBm 4dBm (Max)
Package Strip Tray Tape & Reel (TR) -

WT21-A-HCI Datasheet PDF

Download WT21-A-HCI pdf datasheets and Silicon Labs documentation for WT21-A-HCI - Silicon Labs.

Datasheets
WT21 Datasheet.pdf

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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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WT21-A-HCI Image

WT21-A-HCI

Silicon Labs
32D-WT21-A-HCI

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