BT900 - Bluetooth Classic & BLE v4.0 module with smartBASIC

Dual-mode (Classic and BLE) Bluetooth v4.0 module Central and Peripheral modes

Laird's BT900 modules are designed for optimum performance in powered devices and sensors. From the latest CSR 8811 silicon to the power efficient Cortex M3 microcontroller, the BT900 provides maximum design flexibility. Easily balance throughput versus power efficiency, aided by sleep mode triggers to optimise the module's duty cycle. And thanks to the combination of the Cortex M3 and smart BASIC, the BT900 series provides true hostless operation for your product, providing maximum utility while saving you needless costs in your bill of materials.

A smart design is one you don't have to rewrite. Laird's smart BASIC acts as the bridge between software and hardware, enabling an application written for one smart BASIC radio to work on any other. The event-driven smart BASIC language, unique to the wireless industry, offers built-in functions that replace thousands of lines of C code with a few abstracted lines of smart BASIC. Leverage Laird's years of Bluetooth expertise: write once and deploy anywhere with Laird's line of smart BASIC-ready modules.

Laird's BT900 module carries several modular FCC, IC, CE, MIC and Bluetooth SIG approvals, meaning you don't need costly and time-intensive testing to bring certified Bluetooth to market.


  • Bluetooth v4.0 dual mode (BT and BLE)
  • Broad range of hardware interfaces: UART, I2C, SPI, ADC, GPIO
  • Tiny footprint (19mm x 12.5mm x 2.5 mm)
  • smartBASIC powers rapid design and deployment
  • Supports SPP and any BLE Peripheral or Central roles
  • Supports simultaneous BT and BLE connections
  • Hostless operation - no need for external MCU, reducing overall BOM
  • Global approvals

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

  • Antenna Type
    Integrated Antenna; u.FL connector
  • Applications
    Automotive Audio System, Automotive, Logistics, Barcode Scanners, ePOS, Medical Devices, Diagnostic, Fitness, Fleet Management, GNSS Navigation, Lighting Controls, Printers, Safety and Control
  • Bluetooth Version
    v4.0 Dual Mode
  • Certifications
    FCC / IC / CE / MIC Bluetooth SIG All BT900 Series
  • Connector Type
  • Dimensions (L x W x H)
    19.00 x 12.50 x 2.50 mm (0.75 x 0.49 x 0.10 in)
  • Frequency
    2.402 - 2.480 GHz
  • Industries
    Healthcare / Medical, Telecom, Transportation, Industrial / Production, Computer / Gaming, Other
  • Logical Interfaces
  • Max Transmit Power
    +8 dBm (Configurable down to -20 dBm) +8 dBm (Configurable down to -20 dBm)?
  • Other
    I2C Interface: 1 (configurable from GPIO total)Interface (SPI): 1 (configurable from GPIO total)
  • Output Power
    +8 dBm (maximum)
  • Product Line
    Bluetooth v4.0 Dual Mode
  • Profiles
    Any Custom Services. Included Serial Port Profile (Up to 600kbps), GATT Client & Peripheral, and HID
  • Protocols
    smartBASIC programming language
  • Range
    Up to 100 metres
  • Receive Sensitivity
    -90 dBm typical
  • Weight
    < .035 oz (< 1g)
  • Wi-Fi Coexistence
    3 wire CSR schemes supported (Unity -3; Unity-3e)
  • Wireless Specification
    2.4 - 2.478 GHz
Part No.
Pack Sizes
Intelligent v4.0 dual-mode module featuring smartBASIC, on-board chip antenna

Tray of 135


Intelligent v4.0 dual-mode module featuring smartBASIC, on-board chip antenna

Tape & reel, 600 pcs
Intelligent v4.0 dual-mode module featuring smartBASIC, u.FL connector for external antenna
Tray of 135

Intelligent v4.0 dual-mode module featuring smartBASIC, u.FL connector for external antenna

Tape & reel, 600 pcs
DVK-BT900-SA Development kit for BT900-SA Module Each
DVK-BT900-SC Development kit for BT900-SC Module Each

The DVK-BT900-SA (on-board chip antenna) and DVK-BT900-SC (u.FL connector for separate antenna) development boards are development tools used to highlight the capabilities of the BT900 module.


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Last updated: 14 May 2019