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 The BTM44x series 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. These modules 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. In addition to Serial Port Profile, the BTM44x series features a number of additional features and profiles not found on other Bluetooth modules.

With a small footprint of 12.5 x 18.0 mm and best-of-class, low-power operation, these modules are the ideal choice for applications where designers need both performance and minimum size. For maximum flexibility in systems integration, the  modules are designed to support a separate power supply for I/O.

To aid product development and integration, Laird Technologies has integrated a complete Bluetooth protocol stack within the modules, including support for multi-point connections and numerous Bluetooth profiles, and are fully qualified as  Bluetooth End Products, allowing designers to integrate them within their own products with no further Bluetooth Qualification.

Support for Serial Port Profile (SPP), Human Interface Device (HID) profile and Health Device Profile (HDP) are included in the module. The support of the Bluetooth SIG’s Health Device Profile makes this the ideal module for development of Continua compliant medical and wellness devices. By default the Health Device Profile supports the ISO/IEEE 11073-10415 device specialization for weigh scales, with the additional specializations of Thermometer and Glucose being available and more can be delivered upon request.

Communication is available to the module over a serial UART utilizing either a custom Multi-point Packet Protocol API or comprehensive AT commands. Combined with a low cost developer’s kit, this ensures that the choice of Laird  Technologies Bluetooth modules guarantees the fastest route to market.

Product Brief


Features and Benefits    Application Areas 
  • Bluetooth v2.1+EDR
  • Adaptive frequency hopping to cope with interference from other wireless devices
  • Secure Simple Pairing support
  • External or internal antenna options
  • Comprehensive AT interface for simple programming
  • Bluetooth End Product Qualified
  • Compact size
  • Class 2 output - 4 dBm
  • Low power operation
  • UART interface
  • GPIO lines under AT control
 
 
  • Embedded devices
  • Phone accessories
  • Security devices
  • Medical and telehealth devices
  • Aftermarket automotive applications
  • Bluetooth Advertising
  • ePOS
 



NOTE: The Bluetooth Special Interest Group (SIG) has recently implemented changes to the End Product Listing (EPL) process. For more information about this update, please see the Bluetooth SIG Listing Process Fact Sheet and FAQs About the Updated Qualification and Listing Process.



Wireless Specification Bluetooth® Version 2.1 + EDR
  Frequency 2.402 - 2.480 GHz
  Max Transmit Power Class 2
  +4 dBm (at antenna pad - BTM440/442)
  +4 dBm (from integrated antenna - BTM441/443)
  Receive Sensitivity Better than -84 dBm
  Range Up to 30 meters
  Data Rates Up to 2.1 Mbps (over the air)
UART Data Transfer Rate Greater than 300 Kbps
Host Interface UART Supports CTS, RTS, DTR, DSR, DCD, and RI
User Interface GPIO 8 lines (shared)
Profiles SPP - Serial Port Profile
HID - Human Interface Device Profile
HDP - Health Device Profle
Supply Voltage Supply 3.0 V to +3.3 V
I/O 1.7 V to +3.6 V (independent of VCC)
Power Consumpion Current Consumption Less than 40 mA during SCO transmission
Idle (sleep) less than 1 mA
Connections External Antenna Connection via SMT pad - BTM440/442
  Internal Antenna Multilayer ceramic - BTM441/443
Protocols AT command set
Physical Dimensions 12.5 mm x 18.0 mm x 3.4 mm (external antenna – BTM440/442)
  12.5 mm x 22.0mm x 3.4 mm (integrated antenna – BTM441/443)
Environmental Operating Temperature Range -40° to +85°C
  Storage Temperature Range -40° to +85°C
Miscellaneous Lead Free Lead-free and RoHS compliant
  Warranty 1 Year
Development Tools Development Kit Development board and free Software Tools
Approvals Bluetooth® End Product Listing (EPL)
  FCC / IC / CE / MIC BTM440/442 - Limited Modular Approval
  BTM441/443 - Full Modular Approval

The BTM44x modules are certified for compliance to regulatory and Bluetooth Special Interest Group (SIG) standards and specifications. Laird Technologies customers can leverage the grants, approvals, and formal test reports associated with these certifications to achieve required device certifications; for details, consult the information below. For additional guidance, contact the wireless certifications group via email.

Note: The BTM44x is hardware identical to the BTM411 and its modulation characteristics related to FCC and ETSI are also the same. The only difference between these models is related to the Bluetooth protocols. FCC and ETSI regulations do not require new test reports for these modules therefore the BTM411 reports also show compliance for the BTM44x.

CE / ETSI

The BTM442 and BTM444 Bluetooth modules have been tested for compliance to the following CE and ETSI standards and specifications: 

The BTM441 and BTM443 Bluetooth modules have been tested for compliance to the following CE and ETSI standards and specifications:

The following partial test report was generated for the BTM411 to cover the aspects of ETSI standards that the test reports above do not cover. This test report also applies to the BTM44x.

These formal test reports may be leveraged by mobile and portable device vendors as part of their self-declaration to obtain the CE mark required by members of the European Union. ETSI/CE rules differ from those of the FCC and IC in that there is no provision for a modular approval. All approvals and certifications must exist at the device level rather than the module (radio) level.

The BTM44x modules are fully compliant with Annex IV procedures in article 10.5 of R&TTE directive 99/5/EC.

The BTM44x modules are fully compliant with European Union Directive 2003/95/EC or Reduction of Hazardous Substances (RoHS) as per our Declaration of Compliance. Click to view the Statement of Compliance to EU WEEE Directive and RoHS Directive.


FCC

The BTM44x modules have been tested and certified for the following FCC grant:

The following test reports are available for these modules:

The following partial test report was generated for the BTM411 to cover the aspects of FCC standards that the test reports above do not cover. This test report also applies to the BTM44x.

The OEM integrator should have their end product tested by a qualified test house to verify their complete device meets these limits. Specific limitations are indicated on each grant.

The BTM44x modules hold full modular approvals. The BTM44x modules are fully approved for mobile and portable applications.

Note: Laird test data may be leveraged by the device vendor to minimize the cost and time associated with the certification process.


Industry Canada

The BTM44x modules are certified to the Industry Canada (IC) RSS-210 (Issued 8 December 2010) standard. IC 6616A-certification is based on FCC certification testing, using the same antennas and transmit power and covering the same frequency bands. 


Japan RF

The BTM44x modules are certified to the Japan RF ARIB STD-T66 standard.


Bluetooth SIG

The BTM44x modules have received the Bluetooth SIG Qualification, the BTM44x Qualified ID can be found through this link: https://www.bluetooth.org/tpg/QLI_viewQDL.cfm?qid=16072 

1. Warranty 

1.1. Company warrants that at the time of the shipment of the subject the Products, such the Products conforms to the description listed on Company's Sales Order Acknowledgment. Company has the right, exercisable in its sole discretion, to substitute the Products comparable to any sample tested and approved by Purchaser and/or specified by Purchaser. Company's maximum liability to Purchaser or any other party, arising out of the the Products provided to Purchaser or its use, whether based upon warranty, contract, negligence, or any other cause or claim, shall at all times be limited solely to the repair or replacement, at the option of Company, of such the Products which does not conform to the description on Company's Sales Order Acknowledgement, determined by Company upon proof reasonably satisfactory to the Company, and upon expiration of any stated warranty period, any such liability shall terminate. Company limits all warranties to a maximum of 12 months from date of original shipment. COMPANY SHALL HAVE NO FURTHER LIABILITY FOR DAMAGES OR INJURY OF ANY KIND, WHETHER TO PURCHASER OR ANY THIRD PARTY, INCLUDING, BUT NOT LIMITED TO, DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES, PERSONAL INJURIES AND PROPERTY DAMAGE, HOWEVER RESULTING, WHETHER FROM USE, CONDITION OR THE FAILURE OF COMPANY'S PRODUCT. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EITHER EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE, AND THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE WARRANTIES EXPRESSLY STATED HEREIN. ALSO, COMPANY DOES NOT WARRANT THAT THE GOODS SHALL BE DELIVERED FREE FROM RIGHTFUL CLAIM OF ANY THIRD PARTY BY WAY OF INFRINGEMENT OR THE LIKE. NO PERSON IS AUTHORIZED TO REPRESENT, PROMISE OR ASSUME ANY OBLIGATION OR LIABILITY CONTRARY OR IN ADDITION TO THIS WARRANTY. ALL OTHER WARRANTIES ARE SPECIFICALLY AND EXPRESSLY EXCLUDED. 

2. Claims for Damages / Defective Products/Limitation of Liability 

2.1. In the event that the Purchaser alleges that it has received defective or damaged Products, the Purchaser must inform the Company in writing within thirty (30) days of date of receipt of the Products, failing which all claims shall be deemed to be waived and the goods to have been accepted by the Purchaser. This written notice must include the part number of the Products, a description of the characteristics, which are not satisfactory, the MO number related to the batch, along with any further unique reference numbers that may appear on the packaging of the Products. Upon review and approval of the written notice by the Company, the Company will issue a Return Material Authorization number, which allows the Purchaser to return the defective goods. Upon receipt of the entire quantity of defective material, the Company will replace the Products on a like-for-like basis, or at the discretion of the Purchaser, will issue credit to the Purchaser’s account with the Company. The issuance of debit notes by the Purchaser while awaiting a potential credit on damaged or defective parts will not be accepted by the Company as having discharged the liability of the debt incurred on the issuance of the original invoice. Claims for shortage of delivery of Products will not be entertained unless a separate written notice is given to the Company within five (5) days of date of receipt of the Products. Where the terms of delivery are freight collect the Company cannot accept any liability for the actions of the Purchaser’s designated freight forwarder or carrier and as such no claim may be made against the Company for such delivery shortages. No claim by the Purchaser in respect of certain Products whether in one or more orders shall be accepted as a reason for cancellation of any other orders or the remainder of any order part of which is subject to the claim. Products supplied by the Company must be stored, carried, processed, installed or otherwise handled or dealt with in accordance with the Company’s published instructions, and in accordance with normal safety procedures for the handling of the Products and the Company shall not be liable for any loss, damage, injury or expense arising out of the Products or their condition if this is not done. The Company shall not be liable to replace any Products rejected only on the grounds of immaterial imperfections or variations in the manufacturing process.

2.2. Limitation of Liability
In the event of any claim against the Company in respect of any matter whatsoever, the Company’s liability (if any) shall be limited to the replacement of the Products sold in respect of which the liability arises if required and practicable, or the Purchaser shall be given a credit for the invoiced value of the order in respect of which the liability arises. The maximum amount of the Company’s liability in respect of Products sold shall therefore be the invoice value of such Products sold by the Company to the Purchaser.

To read the full Terms and Conditions, Click Here.

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Moscow, Russia
Tel: +7 495 937 87 08
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Americas +1-800-492-2320 WirelessInfo@lairdtech.com

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Europe +44-1628-858-940 WirelessInfo@lairdtech.com

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Hong Kong +852-2923-0610 (Sales)
+852-2923-0609 (Support)
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