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HomeProductsRF/IF and RFIDRF Transceiver Modules and ModemsBT121-A-V2
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BT121-A-V2 - Silicon Labs

Manufacturer Part Number
BT121-A-V2
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-BT121-A-V2
ECAD Model
Parts Description
RF TXRX MOD BLUETOOTH CHIP SMD
Package
41-SMD Module
Data sheet
BT121-A-V2.pdf
RoHs Status
RoHS Compliant
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Specifications

BT121-A-V2 Tech Specifications
Silicon Labs - BT121-A-V2 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - BT121-A-V2

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply 2.2V ~ 3.6V  
Utilized IC / Part -  
Series -  
Serial Interfaces I²C, SPI, UART  
Sensitivity -96dBm  
RF Family/Standard Bluetooth  
Protocol Bluetooth v4.2  
Power - Output 12dBm  
Package / Case 41-SMD Module  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation -  
Memory Size 128kB Flash, 16kB RAM  
Frequency 2.4GHz  
Data Rate 3Mbps  
Current - Transmitting 92mA  
Current - Receiving 38.7mA  
Base Product Number BT121  
Antenna Type Integrated, Chip  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status
ECCN 5A992C
HTSUS 8517.62.0090

Parts Introduction

Manufacturer Part Number

BT121-A-V2

Manufacturer

Energy Micro (Silicon Labs)

Introduction

Highly integrated Bluetooth 4.2 low energy (BLE) system-on-chip (SoC) module

Product Features and Performance

4GHz Bluetooth 4.2 transceiver

12dBm transmit power

-96dBm receiver sensitivity

128kB flash and 16kB RAM

Integrated antenna

Supports data rates up to 3Mbps

Low power consumption: 92mA transmit, 38.7mA receive

Product Advantages

Compact 41-pin SMD module design

Wide operating temperature range of -40°C to 85°C

RoHS compliant

Key Technical Parameters

Frequency: 2.4GHz

Operating voltage: 2.2V to 3.6V

Interfaces: I2C, SPI, UART

Quality and Safety Features

RoHS compliant

Compatibility

Compatible with Bluetooth 4.2 standard

Application Areas

Wireless connectivity in various IoT and consumer electronics applications

Product Lifecycle

Currently available, no discontinuation plans known

Key Reasons to Choose This Product

Highly integrated Bluetooth 4.2 solution in a compact module

Excellent RF performance with 12dBm transmit power and -96dBm sensitivity

Wide operating temperature range and low power consumption

Flexible interface options for easy integration into various systems

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs BT121-A-V2

Product Attribute BT121-A-V2 BT121-A-V1 BT121-A-V2C BT111-A-HCI
Part Number BT121-A-V2 BT121-A-V1 BT121-A-V2C BT111-A-HCI
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Power - Output 12dBm 14dBm - 8dBm
Frequency 2.4GHz 2.4GHz - 2.4GHz
Antenna Type Integrated, Chip Integrated, Chip - Integrated, Chip
Modulation - - - -
Current - Receiving 38.7mA - - -
Current - Transmitting 92mA 85mA ~ 92mA - -
Series - - - -
Base Product Number BT121 - BT121 -
Package / Case 41-SMD Module 41-SMD Module 41-SMD Module 41-SMD Module
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C - -30°C ~ 85°C
Voltage - Supply 2.2V ~ 3.6V 2.2V ~ 3.6V - 1.7V ~ 3.6V
Sensitivity -96dBm -96dBm - -89dBm
Package Tape & Reel (TR) Tape & Reel (TR) Strip Tape & Reel (TR)
Memory Size 128kB Flash, 16kB RAM 128kB Flash, 16kB RAM - -
Data Rate 3Mbps 1Mbps - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
RF Family/Standard Bluetooth Bluetooth - Bluetooth
Serial Interfaces I²C, SPI, UART I²C, SPI, UART - SPI, UART, USB
Utilized IC / Part - - - CSR8510
Protocol Bluetooth v4.2 Bluetooth v4.1 - Bluetooth v4.0

BT121-A-V2 Datasheet PDF

Download BT121-A-V2 pdf datasheets and Silicon Labs documentation for BT121-A-V2 - Silicon Labs.

PCN Packaging
Multi Devices 15/Jan/2019.pdf
Other Related Documents
A-00000388 Security Advisory.pdf A-00000446 Security Advisory.pdf
PCN Design/Specification
BT121 17/Mar/2020.pdf BT121x 16/Nov/2022.pdf
PCN Assembly/Origin
BT121-A-V2 07/Sept/2022.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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BT121-A-V2 Image

BT121-A-V2

Silicon Labs
32D-BT121-A-V2

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