User's Manual

Enhanced Class 1 Bluetooth v2.1 Module
User’s Guide
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www.lairdtech.com/wireless
5
CONN-GUIDE-BT740_v0.2
2 SPECIFICATIONS
2.1 Detailed Specifications
Table 2-1: Detailed specifications
Categories
Feature
Implementation
Wireless
Specification
Bluetooth®
V2.1 + EDR
Frequency
2.402 - 2.480 GHz
Max Transmit Power
Class 1
18 dBm from integrated antenna
18 dBm at UFL antenna connector
Receive Sensitivity
Better than -87 dBm (at 25° C)
Range
>1000m
Data Rates
Up to 2.1 Mbps (over the air)
UART Data Transfer Rate
Circa 350 kbps
Host Interface
UART
TX, RX, DCD, RI, DTR, DSR, CTS, RTS
1
Default 9600, n, 8, 1
From 1,200 to 921,600 bps
GPIO
8 configurable lines
ADC
2 lines, 8 bit resolution
PCM
4 lines – see Audio section
Profiles
SPP
Serial Port Profile
HID
Human Interface Device
HDP
Health Device Profile
Command
Interfaces
Operation Modes
AT Command Set
Multi-Point API – seven simultaneous
connections
Firmware Upgrade
Firmware Upgrade over UART
Audio
Support
SCO Channels
PCM Interface
3 x PCM Channels @ 64 kpbs
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
Supply Voltage
Supply
3.0 – 5.0 V
On-board regulators and brown-out detection
Power Consumption
Various Modes –
Typical values
Idle Mode – TBC
Discoverable –TBC
Inquiry Mode – TBC
Connecting Mode – TBC
Connected Mode (No Data Transfer) – TBC
Connected Mode (Max Data Transfer) – TBC
Sniff Mode – TBC