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BTM420/421
®
Bluetooth
Data Module
S
PECIFICATIONS
Detailed Specifications
Table 1: Detailed Specifications
Categories
Wireless Specification
Antenna Modes
USB Interface
General Purpose
Interface
Audio
Protocols and Firmware
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
Feature
Bluetooth®
Transmit Class
Frequency
Channels
Max Transmit Power
Receive Sensitivity
Range
Data Transfer Rate
External Antenna
Integrated Antenna (option)
Compliance
Support
Supply Voltage
I/O
Support
SCO Channels
PCM Interface
Bluetooth Stack
Connection Modes
Implementation
Version 2.1+EDR
Class 2
2.402 – 2.480 GHz
79 channels Frequency Hopping
Adaptive Frequency Hopping
+4 dBm at antenna pad – BTM420
+4 dBmi (TBC) from integrated antenna –
BTM421
-84dBm
30m
Up to 2.1 Mbps
50 Ohm matched SMT pad – BTM420
+0 dB multiplayer ceramic (TBC) – BTM421
Version 1.1
Version 2.0
3.1 V to 3.3 V
2 general purpose I.O pins for LEDs
3 PCM Channels @ 64kbps
Support SCO and eSCO
Configurable as master or slave
8 bit A-law
8 bit µ-law
13 bit linear
PCM Clock available when in slave mode
V2.1 compliant
Point to point (cable replacement)
Multipoint – max 7 slaves
5
Laird
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
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