BLE121LR-A-M256K The Silicon Labs BLE121LR-A-M256K is an RF transceiver module supporting Bluetooth v4.0. It operates at 2.4GHz with a data rate of 2Mbps.
Mfr Part #:

BLE121LR-A-M256K

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs BLE121LR-A-M256K is an RF transceiver module supporting Bluetooth v4.0. It operates at 2.4GHz with a data rate of 2Mbps.
✓ Total Stock: 213,000 pcs
$ Price Range: $0.99

BLE121LR-A-M256K Available from 1 distributor

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BLE121LR-A-M256K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Antenna Type
Current
Data Rate
Frequency
Memory Size
Mounting Type
Operating Temperature
Power
Protocol
RF Family
Sensitivity
Serial Interfaces
Utilized IC
Voltage

BLE121LR-A-M256K Description

Short technical summary and product information.

This Silicon Labs BLE121LR-A-M256K is an RF transceiver module designed for Bluetooth applications. It features a 2.4GHz operating frequency and supports Bluetooth v4.0 protocol with a data rate of up to 2Mbps. The module offers a receiver sensitivity of -98dBm and an output power of 8dBm, with an operating current consumption between 28mA and 33mA.

 

With a voltage range of 2V to 3.6V, this component is suitable for various power-constrained designs. It includes integrated chip antenna and supports serial interfaces such as I²C, SPI, and UART, utilizing the CC2541 integrated IC. The module is housed in a surface mount package and operates within a temperature range of -40°C to 85°C.

 

It is equipped with 256kB Flash and 8kB SRAM memory. The RoHS status is compliant, and it has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

BLE121LR-A-M256K Quick Information

Product Type: RF Transceiver Module
Canonical Name: Silicon Labs BLE121LR-A-M256K Bluetooth Transceiver Module
Subcategory: Bluetooth

BLE121LR-A-M256K Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BLE121LR-A-M256K Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BLE121LR-A-M256K Features

  • Bluetooth v4.0 transceiver module.
  • Operates at 2.4GHz frequency.
  • Supports 2Mbps data rate.
  • High receiver sensitivity of -98dBm.
  • Surface mount package for easy integration.

BLE121LR-A-M256K Applications

  • Ideal for wireless sensor networks.
  • Suitable for IoT device communication.
  • Used in portable electronic devices.
  • Enables Bluetooth connectivity solutions.

BLE121LR-A-M256K FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the BLE121LR-A-M256K?

The operating voltage range is 2V to 3.6V.

What package type does the BLE121LR-A-M256K use?

It uses a surface mount package.

What is the operating temperature range of the module?

The operating temperature range is -40°C to 85°C.

Is the BLE121LR-A-M256K RoHS compliant?

It is marked as RoHS3 compliant, but verification status is low.

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