BT730 Series Bluetooth Module

Not Recommended for New Design (NRND)

Overview

Every BT730 series Bluetooth module from Ezurio (formerly Laird Connectivity) is designed to add robust, long-range Bluetooth data connectivity to any device. Based on the market-leading Cambridge Silicon Radio (CSR) BC04 chipset, BT730 modules provide exceptionally low power consumption with outstanding Class 1 range via 18 dBm of transmit power. A broad range of Bluetooth profiles such as Serial Port Profile (SPP) and other vital features make BT730 modules superior to other Class 1 Bluetooth modules. Available in BT730-SA and BT730-SC variants.

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Development Kits

  • DVK-BT730-SA

    DVK-BT730-SA

    Not Recommended for New Design (NRND)

    Development kit for BT730-SA module

    Antenna Type
    Internal
    Logical Interfaces
    USB, PCM, RS232
    Learn More
  • DVK-BT730-SC

    DVK-BT730-SC

    Not Recommended for New Design (NRND)

    Development kit for BT730-SC module

    Antenna Type
    External
    Logical Interfaces
    USB, PCM, RS232
    Learn More

Certified Antennas

  • MAF94045

    MAF94045

    NanoBlue Series Bluetooth Internal Antenna
    Learn More

Specifications

Bluetooth Version
2.0
Antenna Options
Integrated or External via u.FL
Chipset
CSR BC04
BT Class
1
Certifications
FCC, ISED, EU, UKCA
Compliance
Lead-free and RoHS compliant
Data Rate
Over the Air: Up to 2.1Mbps
UART: Greater than 300 Kbps
Dimension (Height - mm)
15.29 mm
Dimension (Length - mm)
28.71 mm
Dimension (Width - mm)
3 mm
FTP Client
Yes
Frequency Range (Max)
2.480 GHz MHz
Frequency Range (Min)
2.402 GHz MHz
Logical Interfaces
UART (TX, RX, DCD, RI, DTR, DSR, CTS, RTS)
GPIO (8 configurable lines)
ADC (2 lines, 8 bit resolution)
Operating Temp (Max) (°C)
+85 °C
Operating Temp (Min) (°C)
-40 °C
Power Consumption
Idle Mode – 1.25mA
Transmit (Max Data) – 35mA
Profiles
Serial Port Profile (SPP), Dial Up Networking (DUN ), FTP Client (File Transfer Protocol), HFP & Partial HSP (Hands Free & Headset)
Protocols
AT Command Set - 1 connection
Multi-Point API - 3 simultaneous connections
Range
Up to 1000 meters
Receive Sensitivity
> -87dBm
Stack On Board
Yes
Transmit Power (Max)
18 dBm from antenna
Voltage
Supply: 3.3 – 5.0V
I/O: 3.3V
Part NumberPrice @ 1kAntenna OptionsAntenna TypeBluetooth VersionChipset (Wireless)ComplianceConnectorData RateDevelopment Kit ContentsFrequency Range (Max)Frequency Range (Min)Logical InterfacesOS/SoftwareProduct TypeProtocolsRangeReceive SensitivitySystem ArchitectureTechnologyTransmit Power (Max)Wireless Specification
BT730-SA
BT730-SA
NRND
Buy Options
N/AInternal v2.0 + EDR QCA (CSR) BC04 FCC, ISED, EU SMT Up to 2.1 Mbps Development board and software tools 2480 MHz2402 MHzSerial, GPIO, ADC, PCM AT Commands, Embedded Stack Embedded Module AT Command Set Up to 1 km Better than -87 dBm Hosted Bluetooth Classic, Bluetooth 2.0 +18 dBm Bluetooth v2.0
BT730-SC
BT730-SC
NRND
Buy Options
N/Au.FL Connector External v2.0 + EDR QCA (CSR) BC04 FCC, ISED, EU SMT Up to 2.1 Mbps Development board and software tools 2480 MHz2402 MHzSerial, GPIO, ADC, PCM AT Commands, Embedded Stack Embedded Module AT Command Set Up to 1 km Better than -87 dBm Hosted Bluetooth Classic, Bluetooth 2.0 +18 dBm Bluetooth v2.0

Documentation

Name Part Type Last Updated
Application Note - BT730 Range Testing.pdf All Application Note 01/17/2019
Application Note - BT7x0 Carrier Board.pdf All Application Note 01/17/2019
Application Note - BT730 Development Kit.pdf All Application Note 01/17/2019
Application Note - Bluetooth Latency and Data.pdf All Application Note 01/17/2019
RoHS 3 - Bluetooth All Certification 01/11/2024
User Guide - BT730 Firmware.pdf All Documentation 01/17/2019
Hardware Schematic - BT730 Carrier Board.pdf All Documentation 01/17/2019
Quick Start Guide - BT730 Development Kit and Serial Port Profile.pdf All Documentation 01/17/2019
Product Brief - BT730.pdf All Product Brief 10/11/2021
Datasheet - BT730 Series.pdf All Datasheet 01/28/2021
User Guide - StringPlayer.pdf All Documentation 01/17/2019
BT7x0-SA SC-asm asm.zip All Software 01/17/2019
MultipointHostSourceLibrary BTM73x.zip All Software 01/17/2019
Bluetooth Development Kit Terminal Download.zip All Software 01/17/2019
Application Note - Guidelines for Replacing Antennas v1.0 All Application Note 01/17/2019
EU Certifications - BT730 and BT740 All Certification 11/20/2020
FCC Certifications - BT730 and BT740 All Certification 11/20/2020
ISED Certifications - BT730 and BT740 All Certification 11/20/2020
Regulatory Information - BT730 All Certification 03/17/2023
PCN 12B-2021 - BT7x0 Series All Documentation 02/18/2022
PCN 8B-2021 - BT7x0 Series All Documentation 02/18/2022

FAQ

CSR Bluesuite Bluetest3 crashes when trying to select the transport.

Bluesuite is a very old program supplied by CSR for testing and configuration of its legacy Bluetooth modules. Bluesuite Bluetest3 is often used for RF testing where the DUT is put into BCSP mode before running Blutest3.

If Bluetest3 crashes with an "array" error you may have a conflict or issue with your .net installation. You may be able to fix the issue by removing all versions of .net but please speak to your IT department first as this may cause issues with other software.

Is it safe to run a Ezurio Bluetooth module through a PCBA wash cycle?

In general, cleaning the populated modules is strongly discouraged. Residuals under the module cannot be easily removed with any cleaning process. 

  • Cleaning with water can lead to capillary effects where water is absorbed into the gap between the host board and the module. The combination of soldering flux residuals and encapsulated water could lead to short circuits between neighboring pads. Water could also damage any stickers or labels.
  • Cleaning with alcohol or a similar organic solvent will likely flood soldering flux residuals into the RF shield, which is not accessible for post-washing inspection. The solvent could also damage any stickers or labels.
  • Ultrasonic cleaning could damage the module permanently.

However, if water washing is required you will need to use deionized water. We do not recommend chemical cleaning and cannot guarantee it will not damage the modules. If you MUST clean PCB with chemicals it is recommended that you test on one board and then confirm the module still works after the process, prior to adding it to production, while understanding the above affects washing the populated PCBs can have on the module.

What is the throughput of your bluetooth modules with the embedded AT command interface?

Our fully-embedded modules have a throughput of around 300-360 kbps.  They have an on-board Bluetooth stack and do all of the Bluetooth processing themselves. Bluetooth 2.1 + EDR has a practical transfer rate of 2.1 Mbit/s, but this is not possible on a small embedded module that does not have a powerful PC-type processor.

How do I enable Multipoint on the BT730?

S Registers need to be set on the Ezurio Terminal to enable Multipoint mode on the BT730. To do this, follow these steps:

 

Start Ezurio Terminal

Enter “ATS127=0x200” (this will enable Multipoint mode)

Enter “AT&W” to save/write your settings

Power cycle the BT730 then start the Multipoint Terminal

Additional information on Multipoint can be found in Chapter 2 of the Firmware User Guide.

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Talk to an Expert

Distributors

Distributor Phone Number Region Website
Arrow Electronics 1-855-326-4757
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