BTM411 - Bluetooth v2.1+EDR AT Data Modules

v2.1+EDR SMT Bluetooth modules with AT command interface

* Previous generation, not recommended for new designs

* Previous generation, not recommended for new designs

BTM411 Bluetooth® modules from Laird have been designed to meet the needs of developers who wish to add robust, short range Bluetooth data connectivity to their products. They are based on the market leading Cambridge Silicon Radio BC04 chipset, providing exceptionally low power consumption with outstanding range. They support the latest Bluetooth Version 2.1 Specification, providing the important advantage of Secure Simple Pairing, which improves security and enhances the ease of use for end customers.


  • Bluetooth v2.1+EDR
  • Adaptive frequency hopping to cope with interference from other wireless devices
  • Secure Simple Pairing support
  • On-board antenna option only
  • Comprehensive AT interface for simple programming
  • Bluetooth End Product Qualified
  • Compact size
  • Class 2 output - 4dBm
  • Low power operation
  • UART interface
  • PCM and SCO for external codec
  • GPIO lines under AT control
  • Wi-Fi co-existence

For sales and technical development support from our in-house engineering team, please contact the Alpha Micro team.

*BTM410 is End-of-Life. Last order date was 19 February 2016. There is no recommended alternative.

  • Antenna Type
    Internal Antenna Multilayer ceramic
  • Applications
    Embedded Devices, Phone Accessories, Security Devices, Medical Devices, Aftermarket Automotive, Bluetooth Advertising, ePOS, Printers, Automotive, Data Storage, Mobile Computers, Sensors
  • Bluetooth Version
    v2.1 + EDR
  • Connector Type
  • Development Kit Contents
    Development board and software tools
  • Dimensions (L x W x H)
    22.00 x 12.50 x 3.40 mm (0.87 x 0.49 x 0.13 in)
  • Frequency
    2.402 - 2.480 GHz
  • Industries
    Automotive, Healthcare / Medical, Industrial / Production, Telecom, Mobile Devices, Computer / Gaming, Other
  • Logical Interfaces
  • Max Transmit Power
    +4 dBm (from integrated antenna BTM411)
  • Product Benefits
    Lead-free and RoHS compliant
    FCC/IC & CE - Limited Modular Approval
  • Product Line
    Bluetooth v2.1 + EDR AT Data
  • Protocols
    AT Command Set
  • Range
    Up to 30 meters
  • Receive Sensitivity
    Better than -84 dBm
  • Voltage
    1.7 to +3.6V (independent of VCC)
  • Weight
    .105 oz (3 g)
  • Wi-Fi Coexistence
    2 wire and 3 wire schemes supported
  • Wireless Specification
    Bluetooth Version 4.0 BL
Partl No.
Pack Sizes
BTM411 Bluetooth AT Data Module (with integrated antenna) Tray of 50
DVK-BTM411 Development board with BTM411 module soldered on Each

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Last updated: 22 May 2018