The information provided below is preliminary and subject to change.

The TiWi-uB1 Bluetooth Smart module is a low-power 2.4 GHz Bluetooth 4.0 (BLE) System-on-Chip in a cost effective, pre-certified footprint.

This module comes loaded standard with firmware for network processor support. Alternatively applications can be developed and loaded into the integrated microcontroller, and function without the need for an external processor.


  • Bluetooth Smart (Bluetooth Low Energy v4.0)
  • RF Output Power: 0 dBm (Class 3) 
  • Miniature footprint: 11.6 mm x 17.9 mm
  • Low height profile: 2.3 mm
  • Certified with on module PCB trace and off module dipole antennas
  • Worldwide acceptance: FCC (USA), IC (Canada), and CE (Europe)
  • Compact design based on Texas Instruments CC2541 Transceiver
  • Multiple configuration options
    - Network processor interface for applications running on an external microcontroller
    - Single-Chip configuration, allowing applications running on internal microcontroller
  • Low power operation
  • RoHS compliant
  • Streamlined development with LSR design services


    Standards Support Bluetooth Low Energy v4.0
    Operating Voltage 2.0V to 3.6V
    Temp Range -40 to +85 °C
    Transmit Power 0 dBm
    Rx Sensitivity -94 dBm
    Transmit Current
    with DC/DC
    12.6 mA, Transmit (0 dBm, no peripherals active, low mcu activity)
    15.7 mA, Receive (standard mode, no peripherals active, low mcu activity)
     Antenna Options Integrated Hybrid™ Trace Antenna
    External Antenna Option
    Certifications FCC, IC, CE 
    Bluetooth® SIG
    Bluetooth Stack Complete Power-Optimized Stack
    Controller and Host 
    GAP - Central, Peripheral, Observer, or Broadcaster
    ATT / GATT - Client and Server
    SMP - AES - 128 Encryption and Decryption


    Description Part Number Download
    Product Brochure 337-0135 Download
    Datasheet 330-0132 Download
    REACH Chemical Analysis 344-0003 Download
    TiWi-uB1 Module Declaration of Conformity (DoC) 330-0131 Download
    TiWi-uB1 EM Board Declaration of Conformity (DoC) 330-0139 Download
    All other TiWi-uB1 documentation and tools

    Ordering Information

    Description Part Number
    TiWi-uB1 PCB Trace Antenna Module (Cut Tape) 450-0103C
    TiWi-uB1 PCB Trace Antenna Module (Tape & Reel)
    TiWi-uB1 RF Castellation Module (Cut Tape)
    TiWi-uB1 RF Castellation Module (Tape & Reel) 450-0106R 
    TiWi-uB1 EM Board, PCB Trace Antenna 450-0120
    2.4 GHz Dipole Antenna with Reverse Polarity SMA Connector
    U.FL to Reverse Polarity SMA Cable 080-0001