User's Manual

5
www.lairdtech.com
Laird Technologies
BTM410/411
Bluetooth
®
AT Data Module
CATEGORIES FEATURE IMPLEMENTATION
Wireless Specifi cation
Bluetooth
®
Version 2.1+EDR
Transmit Class Class 2
Frequency 2.402 – 2.480 GHz
Channels
79 channels Frequency Hopping
Adaptive Frequency Hopping
Max Transmit Power
+4 dBm at antenna pad – BTM410
+4 dBmi from integrated antenna – BTM411 (provisional)
Min Transmit Power
-27 dBm at antenna pad – BTM410
-27 dBmi from integrated antenna – BTM411
(provisional)
Receive Sensitivity
-84dBm
Range Up to 50 metres free space
Data Transfer Rate Up to 300 kbps
Antenna Modes
External Antenna 50 Ohm matched SMT pad – BTM410
Integrated Antenna (option) +0dBi multilayer ceramic – BTM411 (provisional)
UART Interface
Serial Interface
RS-232 bi-directional for commands and data
16550 compatible
Baud Rate
Confi gurable from 1,200 to 921,600bps Non-standard
baud rates supported
Bits 8
Parity Odd, even, none
Stop bits 1 or 2
Default Serial parameters 9600,n,8,1
Levels Set by VDD_USB input
Modem Control DTR, DSR, DCD, RI, RTS, CTS
General Purpose Interface
I/O 8 general purpose I/O pins
Audio
Support 3 PCM Channels @ 64kbps
SCO Channels Support SCO and eSCO
PCM Interface
Confi gurable as master or slave
8 bit A-law
8 bit μ-law
13 bit linear
PCM Clock available when in slave mode
Protocols and Firmware
Bluetooth Stack V2.1 compliant. Fully integrated.
Profi les
GAP (Generic Access Profi le)
SDP (Service Discovery Profi le)
SPP (Serial Port Profi le)
HDO (Health Device Profi le) – 2009 release
Firmware Upgrade Available over UART
Connection Modes
Point to point (cable replacement)
Multipoint – max 3 slaves
SPECIFICATIONS