Bluetooth Enhanced Data Module
®
BTM44x
Innovative
Technology
for a
Connected
World
The BTM44x series Bluetooth
®
modules from Laird Technologies 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 specialisations 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.
FEATURES AND BENEFITS
• 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
APPLICATION AREAS
• Embedded devices
• Phone accessories
• Security devices
• Medical and
telehealth devices
• Aftermarket automotive
applications
• Bluetooth advertising
• ePOS
global
solutions:
local
support
USA: +1.800.492.2320
Europe: +44.1628.858.940
Asia: +852.2268.6567
wirelessinfo@lairdtech.com
www.lairdtech.com/wireless
TM
Bluetooth Enhanced Data Module
®
BTM44x
Innovative
Technology
for a
Connected
World
CATEGORIES
Wireless Specification
FEATURE
Bluetooth
®
Frequency
Max Transmit Power
IMPLEMENTATION
Version 2.1+EDR
2.402 – 2.480 GHz
Class 2
+4 dBm (at antenna pad – BTM440/442)
+4 dBm (from integrated antenna – BTM441/443)
Better than -84 dBm
Up to 30 meters
Up to 2.1 Mbps (over the air)
Greater than 300 Kbps
Supports CTS, RTS, DTR, DSR, DCD and RI
8 lines (shared)
SPP - Serial Port Profile
HID - Human Interface Device Profile
HDP - Health Device Profile
Up to seven slave devices supported (throughput is limited in multipoint mode)
3.0 to +3.3 V
1.7 to +3.6 V (independent of Vcc)
Less than 40 mA during SCO transmission
Idle (sleep) < 1 mA
Connection via SMT pad – BTM440/442
Multilayer ceramic – BTM441/443
AT Command Set or Multipoint Packet Protocol API
12.5 mm x 18.0 mm x 3.4 mm (external antenna – BTM440/442)
12.5 mm x 22.0 mm x 3.4 mm (integrated antenna – BTM441/443)
-40°C to +85°C
-40°C to +85°C
Lead-free and RoHS compliant
1 Year
Development board and software tools
End Product Approved
BTM440 - Limited Modular Approval
BTM441 - Full Modular Approval
BTM442 - Limited Modular Approval
BTM443 - Full Modular Approval
Receive Sensitivity
Range
Data Rates
UART Data Transfer Rate
Host Interface
User Interface
Profiles
UART
GPIO
Multipoint Support
Supply Voltage
Power Consumption
Connections
Protocols
Physical
Environmental
Miscellaneous
Development Tools
Approvals
Dimensions
Operating Temperature
Storage Temperature
Lead free
Warranty
Development Kit
Bluetooth
FCC/IC & CE
Supply
I/O
Current Consumption
External Antenna
Internal Antenna
ORDERING INFORMATION
BTM440
BTM441
BTM442
BTM443
DVK- BTM440
DVK- BTM441
DVK- BTM442
DVK- BTM443
Enhanced Bluetooth Data Module (Multipoint Mode, external antenna)
Enhanced Bluetooth Data Module (Multipoint Mode with integrated antenna)
Enhanced Bluetooth Data Module (AT Command Mode, external antenna)
Enhanced Bluetooth Data Module (AT Command Mode with integrated antenna)
Development Kit (MP Mode, external antenna)
Development Kit (MP Mode, with integrated antenna)
Development Kit (AT Mode, external antenna)
Development Kit (AT Mode, with integrated antenna)
The details contained within the document are subject to change. Download the product specification from www.
lairdtech.com/wireless for the most current specification.
LWS-DS-BTM44x 0412
Any information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice.
Responsibility for the use and application of Laird Technologies materials rests with the end user, since Laird Technologies and its agents cannot be aware of all potential
uses. Laird Technologies makes no warranties as to the fitness, merchantability or suitability of any Laird Technologies materials or products for any specific or general uses.
Laird Technologies shall not be liable for incidental or consequential damages of any kind. All Laird Technologies products are sold pursuant to the Laird Technologies’ Terms
and Conditions of sale in effect from time to time, a copy of which will be furnished upon request. © Copyright 2010 Laird Technologies, Inc. All Rights Reserved. Laird,
Laird Technologies, the Laird Technologies Logo, and other marks are trade marks or registered trade marks of Laird Technologies, Inc. or an affiliate company thereof. Other
product or service names may be the property of third parties. Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights.
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