BT740 - Bluetooth v2.1 Enhanced Class 1 module

Bluetooth v2.1 Enhanced Class 1 module for maximum range and low power consumption.

Every BT740 series Bluetooth module from Laird is designed to add robust, long-range Bluetooth data connectivity to any device. Based on the market-leading Cambridge Silicon Radio (CSR) BC04 chipset, BT740 modules provide exceptionally low power consumption with outstanding Class 1 range via 18 dBm of transmit power. The modules support Bluetooth Version 2.1 specification, including Secure Simple Pairing (SSP), which improves security and enhances the ease of use for end customers. A broad range of Bluetooth profiles such as Serial Port Profile (SPP) and other vital features make BT740 modules superior to other Class 1 Bluetooth modules. Available in BT740-SA and BT740-SC variants.

Key features:

  • Support Bluetooth Version 2.1
  • External or on-board antennas
  • Comprehensive AT command set
  • Bluetooth EPL
  • Compact footprint
  • Class 1 output - 18dBm
  • UART interfaces with GPIO & ADC
  • Industrial temperature range
  • Multipoint capabilities with up to 7 simultaneous connections

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

  • Antenna Type
    Multilayer ceramic (BT740-SA), u.FL Connector (BT740-SC)
  • Applications
    Medical Devices, ePOS,Automotive, Barcode Scanners, Industrial Cable Replacement, Safety and Control, Test and Measurement, Sensors
  • Bluetooth Version
    v2.1
  • Connector Type
    SMT
  • Development Kit Contents
    Development board and software tools
  • Dimensions (L x W x H)
    28.71 x 15.29 x 3.00 mm (1.13 x 0.60 x 0.12 in)
  • Frequency
    2.402 - 2.480 GHz
  • Industries
    Automotive, Healthcare / Medical, Industrial / Production, Telecom, Mobile Devices, Computer / Gaming, Other
  • Logical Interfaces
    SMT
  • Max Transmit Power
    Class 1 18dBm from antenna
  • Product Line
    Bluetooth v2.1 Enhanced Class 1
  • Profiles
    SPP, HID, HDP
  • Protocols
    AT Command Set - 1 connection Multi-Point API - 7 simultaneous connections
  • Range
    Up to1000m
  • Receive Sensitivity
    Better than -87dBm
  • Weight
    .056 oz(1.6 g)
Part No.
Description
Pack Sizes
BT740-SA-xx
Class 1 Bluetooth v2.1 Module - Integrated Antenna (Multilayer ceramic internal antenna)

Trays of 60

BT740-SC-xx
Class 1 Bluetooth v2.1 Module - u.FL Connector for external antenna connection
Trays of 60
DVK-BT740-SA-xx
Development Kit for BT740 Module (BT740-SA - Integrated Antenna)
Each
DVK-BT740-SC-xx Development Kit for BT740 Module (BT740-SC - u.FL Connector) Each

xx - Current firmware version at time of ordering

The DVK-BT740-Sx development board is a universal development tool, used to highlight the capabilities of the BT740 module.

Two variants are offered:

DVK-BT740-SA

This development kit is used for evaluating the BT740-SA Bluetooth Class 1 v2.1 module with an integrated multi-layer ceramic chip antenna.

AlphaMicro_Laird_BT740SA_Set_FINAL_300px
DVK-BT740-SC

This version is used for evaluating the BT740-SC Bluetooth Class 1 v2.1 module with a U.FL connector for external antenna connection.

AlphaMicro_Laird_BT740SC_Set_FINAL_300px

Development kits contain:

  • Development board- BT7xx-Sx module mounted onto a PCB daughterboard, fitted to the development board using a 40-way connector
  • USB cable
  • RS-232 serial cable
  • Bluetooth USB adapter
  • Laird terminal emulation software
  • External antenna (only with kits for BT7xx-SC modules)

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Last updated: 22 May 2018