ZBA BC04-191 User manual
ZBA, Inc.
ZBA
Bluetooth
2.0
Module
with
on
board
antenna.
Assembly No.
BC04-191
ZBA, Inc
94 Old Camplain Road,
Hillsborough, NJ 08844
www.zbausa.com
ZBA, Inc.
"Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment."
"This device complies with Part 15 of the FCC rules. Operations is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) This device must
accept any interference received, including interference that may cause undesired operation."
"This equipment complies with FCC radiation exposure limits set forth for an unctrolled
environment. End users must follow the specific operating instructions for satisfying RF
exposure compliance. To maintain compliance with FCC RF exposure compliance
requirements, please follow operation instruction as documented in this manual. "
"The final end product must be labeled in a visible area with the following: Contains FCC ID:
VMTZBA-BT44."
"The end user manual shall include all required regulatory information/warning as show in this
manual."
Table of Contents
ZBA, Inc.
1 Document Status ..............................................................................................................4
2 Scope................................................................................................................................5
3 Bluetooth Assembly Description:....................................................................................5
4 Features............................................................................................................................5
5 Applications .....................................................................................................................6
6 Block Diagram.................................................................................................................6
7 Specifications...................................................................................................................7
7.1 Pin Configurations & Dimensions...........................................................................7
7.2 Dimensional drawing...............................................................................................9
7.3 General Specifications ...........................................................................................10
7.4 Electrical Characteristics .......................................................................................10
7.4.1 Absolute Maximum Ratings ..........................................................................10
7.4.2 Radio Characteristics .....................................................................................10
7.4.3 Power Consumption.......................................................................................13
7.4.3.1 Current measurements on the BC04-191 ................................................13
7.4.3.2 Datasheet specification of the BC04 External Module..............................13
8 Serial Port Profile...........................................................................................................14
8.1 Default Configuration ............................................................................................14
8.2 Configuration Command Set-up & Procedures .....................................................14
8.2.1 Entering the Set-up Mode ..............................................................................15
8.2.2 Testing the Communication Link ..................................................................15
8.2.3 Command list.................................................................................................15
8.2.4 Set RS232 Baud Rate (bps)............................................................................15
8.2.5 Set/inquired UART Parameters .....................................................................16
8.2.6 Set Authentication..........................................................................................16
8.2.7 Set Password ..................................................................................................16
8.2.8 Set Device Name............................................................................................17
8.2.9 Set Device Type.............................................................................................17
8.2.10 Set Master/Slave Mode..................................................................................17
8.2.11 Clear Paired Device Address .........................................................................18
8.2.12 Set Sniff Power Saving Mode........................................................................18
8.2.13 Set Sniff Power Saving Mode—Extended.....................................................18
8.2.14 Reset to Factory Default ................................................................................18
8.2.15 Set/Inquire Scan Time....................................................................................18
8.2.16 Set/Inquire Paired Device ..............................................................................19
8.2.17 Inquire Version ..............................................................................................19
8.2.18 Inquired remote device Address ...................................................................19
8.2.19 Set/Inquired Paired Device Address ..............................................................20
8.2.20 Inquired Device BD Address .........................................................................20
8.2.21 Software Reset ...............................................................................................20
8.2.22 Set/Inquire about Low power mode...............................................................20
8.2.23 Set/ Inquire about Data processing mode in the condition of disconnecting.21
8.2.24 Set/ Inquire about Flow control mode ...........................................................21
8.2.25 Exiting the Set-up Mode ...............................................................................21
ZBA, Inc.
9 Low power modes..........................................................................................................21
9.1 Park & Sniff ...........................................................................................................21
10 Mounting recommendations ......................................................................................23
11 Ordering Information.................................................................................................24
List of Figures
Figure 1 Block Diagram of the BT Module.............................................................................6
Figure 2 Top and Side View of module indicating the Pin directions....................................7
Figure 3 Input circuit of Module power control (pin10)..........................................................8
Figure 4 Dimensional drawing of the BC04-191 ..................................................................9
Figure 5 Cross-section of recommended mounting of the BT module.................................23
Figure 6 Bottom View of PCB indicating where there shouldd be NO Ground Plane ........23
Disclaimer:
No part of this document may be copied or reproduced in any form or by any means, or transferred to any third
party, without the prior written consent of an authorized representative of ZBA, Inc. (“ZBA”). The information
in this document is subject to change without notice. ZBA assumes no responsibility for any errors or
omissions that may appear in this document, and disclaims responsibility for any consequences resulting from
the use of the information set forth herein. ZBA makes no commitments to update or to keep current
information contained in this document. The products listed in this document are not suitable for use in
applications such as, but not limited to, aircraft control systems, aerospace equipment, submarine cables,
nuclear reactor control systems and life support systems. Moreover, ZBA does not recommend or approve the
use of any of its products in life support devices or systems or in any application where failure could result in
injury or death. If a customer wishes to use ZBA products in applications not intended by ZBA, said customer
must contact an authorized ZBA representative to determine ZBA’s willingness to support a given application.
The information set forth in this document does not convey any license under the copyrights, patent rights,
trademarks or other intellectual property rights claimed and owned by owned by ZBA. The information
set forth in this document is considered to be “Proprietary” and “Confidential” property
ALL PRODUCTS SOLD BY ZBA ARE COVERED BY THE PROVISIONS APPEARING IN ZBA’S
TERMS AND CONDITIONS OF SALE ONLY, INCLUDING THE LIMITATIONS OF LIABILITY,
WARRANTY AND INFRINGEMENT PROVISIONS. ZBA MAKES NO WARRANTIES OF ANY KIND,
EXPRESS, STATUTORY, IMPLIED OR OTHERWISE, REGARDING INFORMATION SET FORTH
HEREIN OR REGARDING THE FREEDOM OF THE DESCRIBED PRODUCTS FROM INTELLECTUAL
PROPERTY INFRINGEMENT, AND EXPRESSLY DISCLAIMS ANY SUCH WARRANTIES
INCLUDING WITHOUT LIMITATION ANY EXPRESS, STATUTORY OR IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
1 Document Status
ZBA, Inc.
Date Comments
June 6, 2006 First draft
April 2007
June 2007
August 2007
Add AT command set
http://www.bluetoothmodules.net publication
Update current measurements
To make a request for change, correction, additions or information on references,
please contact:
ZBA, Inc.
94 Old Camplain Road
Hillsborough, NJ 08844
Phone: 908-359-2070
Fax 908-359-1272
E-mail: bluetooth–support@zbausa.com
Website : http://www.bluetoothmodules.net
ZBA, Inc.
2
Scope
The intention of this specification is to provide general guidelines on the integration
of the BC04-191 Bluetooth assembly. This product, which complies with Bluetooth
Specification 12.0, is designed to help companies offer Bluetooth enabled products by
speeding their development processes with a ready to integrate Bluetooth assembly with
external antenna attachment.
3
Bluetooth Assembly Description
:
The BC04-191 is a general purpose Bluetooth module incorporating an on-board
meandering line antenna designed to be incorporated into an end product. The BC04-
191 Bluetooth Module is a Class 2 Bluetooth module using BlueCore4-External chipset from
Cambridge Silicon Radio, a leading Bluetooth chipset supplier. It provides a fully compliant
Bluetooth system fordata and voice communications. The module and device firmware is fully
compliant with the Bluetooth specification V2.0.
The Bluetooth assembly is available in two different variants:
1) UART transport with serial port emulation (Serial Port Profile)
2) UART transport with HCI interface (only upon special request)
4
Features
a
Operating Frequency Band 2.40 GHz~2.48GHz unlicensed ISM Band
a
Class 2 type Output Power
a
RF Shielding can constructed of non-ferrous metals.
a
Support Firmware Upgrade (via The UART)
a
12 pin 2mm board to boardconnector (top or bottom connections)
a
Active Bluetooth Connections signal
a
Built-in Power control for turning off the Module
a
Support Piconet, up to 7 Slaves
a
Scatternet Support
a
PCM Audio Interface
a
Low Voltage Power Supply, 2.7V to 3.6V
a
Built-in 8Mbit Flash Memory
a
Low Power Modes Available:Park, Sniff, Hold and Deep Sleep
a
Dimensions: 30mm X 17.5mm X 3.15 mm
a
Development board available.
ZBA
,
Inc.
5 Applications
a
PCs, PDAs
a
Computer Accessories (CF Cards, USB Dongles
a
PCMCIA, RS232 Adaptors, etc.)
a
Mice, Keyboard, Joysticks
a
Cordless Phone
a
FAX, Printer Adaptors
a
Digital Camera
a
Access Points to LAN and/or Dial-up network
6 Block Diagram
Figure 1 Block Diagram of the BT Module
ZBA
,
Inc.
12 10
8
6 4 2
11
9
7
5
3
1
7 Specifications
7.1
Pin
Configurations
&
Dimensions
Pin-out 12 p
i
n 2mm dual row connector
(SAMTEC
CLT106-02-L-D
or
equiv.)
Pin
1
=
Vcc
(3.3
Volts
regulated)
Pin
2
=
GND
Pin
3
=
RxD
Pin
4
=
TxD
Pin
5
=
CTS
Pin
6
=
RTS
Pin
7
=
GND
Zero
(0)
ohm
Jumper
internal
to
module
to
GND
Pin
8
=
Reserved
(connected
to
PIO
for
future
use)
Pin
9
=
NCONN
Output
from
module
indicating
the
module
is
connected
(lo
=
connected)
Pin
10
=
NPWR
-
PFET-gate
w/10K
resistor
to
GND.
(Module
i
s
powered-on
if
left
floating)
Pin
11
=
Reserved
(connected
to
PIO
for
future
use)
Pin
12
=
Reserved
(connected
to
PIO
for
future
use)
2)
Pin outline:
Can-non ferrous connector
Antenna Holes in PCB
to connector
Top view Side view
Note:
The
PCB
board
has
12
holes
to
a
ccommodate
connecting
th
e
module
via
2mm
dual
row
pins
through
the
PCB
from
the
bottom.
Figure 2
Top
and
Side
View
of
module
indicating
the
Pin
directions
ZBA
,
Inc.
3)
Input
Circuit
of
Pin 10
From VCC –Pin 1
From Pin Low impedance P-FET
10K
3.3 volt supply to
module
Figure 3
Input
circuit
of
Module
power
control
(pin10)
ZBA
,
Inc.
7.2
Dimensi
onal
draw
ing
1.8 mm
2.0 mm
30mm
∅1.8mm x 2
1.8 mm
2.0 mm
17.5mm
1.0mm
2.5mm
Figure 4 Dimensional drawing of the BC04-191
ZBA, Inc.
7.3
General
Specifications
Item Specification
Carrier Frequency 2400MHz to 2483.5MHz
Modulation GFSK, 1Mbps, 0.5BT Gaussian
Channel Intervals 1MHz
Number of Channels 79
Frequency Hopping 1600hops/sec, 1MHz channel space
Receive Sensitivity -82 dBm typ. @0.1% BER
Transmission Power +4dBm max.
Output Interface Full speed UART,
Power Supply 3.3V ±10%
Operating Temperature Range -20°C to 85°C
Storage Temperature Range -40°C to 85°C
Dimensions 30mm X 17mm X 3.15 mm
Antenna Ceramic
7.4
Electrical
Characteristics
7.4.1 Absolute Maximum Ratings
Absolute maximum ratings for supply voltage and voltages on digital and analogue pins
of the Module are listed below; exceeding these values will cause permanent damage
Voltage
Voltage Range -Power Pins 2.7 to 3.6V
Voltage Range –Digital Pins -0.3V to 3.6V
Storage Conditions
Storage Temperature -40°C to 150°C (ambient)
Storage Humidity 0-90% RH
Operating Conditions
Temperature Range -20°C< T
A
<95°C
Peak Power supply current 75 mA
7.4.2 Radio Characteristics
Temperature = -20°C
Receiver Frequency
(GHz)
Min
Typ
Max Bluetooth
Specification
Unit
Sensitivity at 0.1%
2.402 - -84 -80
≤-70
dBm
ZBA, Inc.
2.441 - -84 -80 dBm
2.480 - -84 -80
dBm
Maximum received signal at 0.1%
BER
0
10
-
≤-20
dBm
Transmitter Frequency
(GHz)
Min
Typ
Max Bluetooth
Specification
Unit
2.402 0 2.5 4 dBm
2.441 0 2.5 4 dBm
RF transmit power
(1)(2)
2.480 0 2.5 4
-6 to +4 (3)
dBm
RF power control range - 35 - ≥16 dB
RF power range control resolution - 1.8 - - dB
20 dB bandwidth for modulated
carrier
-
800
-
1000
KHz
Initial carrier frequency tolerance - ±25 - ≤±75 KHz
Drift - ±15 - ≤±25 KHz
Drift Rate - ±20 - 400 Hz/µs
∆f1
avg
"Maximum Modulation" - 165 - 140<∆f1
avg
<175 KHz
∆f2
avg
"Minimum Modulation" - 150 - 115 KHz
Notes：
(1) BlueCore4 firmware maintains the transmit power to be within the FCC Limits
(2) Measurement made using a
PSKEY_LC_MAX_TX_POWER
setting corresponds to a
PSKEY
_LC_POWER_TA
BLE power table entry of 63.
Temperature = +20°C
Receiver Frequency
(GHz)
Min
Typ
Max Bluetooth
Specification
Unit
2.402 - -82 -80 dBm
2.441 - -84 -80 dBm
Sensitivity at 0.1%
BER
2.480 - -84 -80
≤-70
dBm
BER
Maximum received signal at 0.1%
BER
0
-
-
≥-20
dBm
Transmitter Frequency
(GHz)
Min
Typ
Max Bluetooth
Specification
Unit
ZBA, Inc.
2.402 0 2.5 4 dBm
2.441 0 2.5 4 dBm
RF transmit power
2.480 0 2.5 4
-6 to +4
dBm
RF power control range - 35 - ≥16 dB
RF power range control resolution - 1.8 - - dB
20 dB bandwidth for modulated
carrier
-
800
-
1000
kHz
Initial carrier frequency tolerance - ±25 - ≤±75 kHz
Drift - ±15 - ≤±25 kHz
Drift Rate - ±20 - 400 Hz/µs
∆f1
avg
"Maximum Modulation" - 165 - 140<∆f1
avg
<175 kHz
∆f2
avg
"Minimum Modulation" - 150 - 115 kHz
C/I co-channel - 10 11 ≤11 dB
Adjacent
channel
selectivity
C/I
f=f
0 ±
1
MHz
-
-4
0
≤0
dB
Adjacent
channel
selectivity
C/I
f=f
0 ±
2MHz
-
-35
-30
≤-30
dB
Adjacent
channel
selectivity
C/I
f
≥
f
0
+3MHz
-
-45
-
≤-40
dB
Adjacent
channel
selectivity
C/I
f
≤
f
0
-
3MHz
-
-45
-
≤-40
dB
Adjacent
channel
selectivity
C/I
f=f
image - -18 -9 ≤-9 dB
Adjacent
channel
transm
it
power
f=f
0
±2MHz
-
-35
-20
≤-20
dBc
Adjacent
channel
transm
it
power
f=f
0
±3MHz
-
-35
-40
≤-40
dBc
Maximum received signal at 0.1%
BER
0
-
-
≥-20
dBm
Transmitter Frequency
(GHz)
Min
Typ
Max Bluetooth
Specification
Unit
2.402 0 1 4 dBm
2.441 0 1 4 dBm
RF transmit power
2.480 0 1 4
-6 to +4
dBm
RF power control range - 35 - ≥16 dB
RF power range control resolution - 1.8 - - dB
20 dB bandwidth for modulated
carrier
-
800
-
1000
kHz
Initial carrier frequency tolerance - ±25 - ≤±75 kHz
Drift - ±15 - ≤±25 kHz
Drift Rate - ±20 - 400 Hz/µs
∆f1
avg
"Maximum Modulation" - 165 - 140<∆f1
avg
<175 kHz
∆f2
avg
"Minimum Modulation" - 150 - 115 kHz
7.4.3
Power
Consumpt
ion
7.4.3.1
Current
measurements
on
the
BC04-191
ZBA, Inc.
Description Value Units Comments
Ipd 300 uA Power down- NPWR= hi, Mode: not
connectable
Idis 24 mA Mode Discovery & connecting, Average
current
I conn-ps 1.32 mA Connected, Mode park & sniff, no data
transmitted, No LED indicator (Nconn= hi)
I conn-t 24 mA Connected Mode= Slave, transmitting
data Comm = 9600,N,8,1
I conn-r
23.5 mA Connected: Mode= Slave; Receiving data
Comm = 9600,N,8,1
Note 1: For measurement above the distance between the master and slave = 1 meter
7.4.3.2
Datasheet specification
of
the
BC04
External
Module
Operation Mode Connection
Type
UART Rate
(kbps)
Average Unit
Page scan ---- 115.2 - 0.42 mA
Inquiry and page scan -115.2 0.76 mA
ACL No traffic Master 115.2 4.60 mA
ACL With file transfer Master 115.2 10.3 mA
ACL No traffic Slave 115.2 17.0 mA
ACL With file transfer Slave 115.2 24.7 mA
ACL 40ms sniff Master 38.4 2.40 mA
ACL 1.28s sniff Master 38.4 0.37 mA
SCO HV1 Master 38.4 39.2 mA
ZBA, Inc.
SCO HV3 Master 38.4 20.3 mA
SCO HV3 30ms sniff Master 38.4 19.8 mA
ACL 40ms sniff Slave 38.4 2.11 mA
ACL 1.28s sniff Slave 38.4 0.42 mA
Parked 1.28s beacon Slave 38.4 0.20 mA
SCO HV1 Slave 38.4 39.1 mA
SCO HV3 Slave 38.4 24.8 mA
SCO HV3 30ms sniff Slave 38.4 19.0 mA
Standby Host connection(a) -38.4 40 uA
Reset (RESETB low)(a) --- --- 34 uA
(a) Low power mode on the linear regulator is entered and exited automatically when the chip
enters/leaves Deep Sleep mode .
8
Serial
Port
Profile
When shipped with the on-board Serial Port Profile (SPP), the module’s firmware emulates
the function of a serial port. When connected to the host microprocessor via the UART
transport, the module appears as a COM port. This makes it easy for designers to write
software to utilize Bluetooth wireless communication. The SPP profile embedded
within
the module provides a menu for making configuration changes utilizing AT commands
described below in section 8.2:
8.1
Default
Configuration
•UART Baud Rate: 9600 baud
•Number of Bits: 8
•Stop bit: One
•Parity: None
•H/W Flow Control: Disable
•PIN: 1111
•Device Name: ZBA-SPP
•Mode: Slave
•Sleep Mode: Deep sleep when ever possible.
•Partner pairing is dropped at power off or un-pairing by master.
8.2
Configuration
Command
Set-up
&
Procedures
PC interface: If you wish to connect the module to a PC’s comm. port it is necessary to
include a level shifter between the module and the PC. A recommended interface IC would
be the MAX3232 RS232 driver IC (or equiv.) and a 3.3 Volt voltage regulator.
ZBA, Inc.
Please contact ZBA for details on purchasing a development board to interface the module
to the PC.
Microcontroller Interface: The UART of the Bluetooth module can directly connect to the
microprocessors UART. The Microprocessor must have an I/O that will operate from 0 to
3.3 Volts or the appropriate level shifter circuitry must be used as to not overstress the I/O
of either device.
Please note. The modules will only response the host set-up commands after the module has
entered the command mode. For module to enter in the command mode, the host must send
a single character ESC <0x1b> within 5 second after the unit has been powered on. If the
ESC character is not sent within the specified 5 second window then the module will
automatically enter the SPP mode and any information sent to the UART will be treated as
data to be transmitted over a Bluetooth link.
Note: All Commands except the first <ESC> command contain a suffix of <CR><LF>.
8.2.1 Entering the Set-up Mode
Command Response Parameter
ESC <CR>
OPEN:num<CR><LF>
Num= 0: device is not paired
Num= 1 Device is currently
paired
8.2.2 Testing the Communication Link
Command Response Parameter
AT OK None
8.2.3 Command list
Command Response Parameter
ATZ? List of Commands None
8.2.4
Set RS232 Baud Rate (bps)
Command Response Parameter
AT+BAUD= <Para1> OK Para1 = 1200, 2400, 4800,
9600, 19200, 38400,
57600, 115200, 230400
AT+BAUD? OK
+BAUD <para1>
Note:
The
default
baud
rate
is
9600bps
8.2.5 Set/inquired UART Parameters
ZBA, Inc.
Command Response Parameter
AT+UARTMODE=<Para1>,<Para2> OK
AT+ UARTMODE? OK
UARTMODE <Para1>,<Para2>
<Para1>= Stop-
bit
<Para1>
0 = 1 Stop bit
1 = 2 Stop bits
<Para2> Parity-
bit
0 = None
1 = ODD
2 = EVEN
Note: the default UARTMODE parameters are N, 8, 1 and the overall comm.
Default Parameters are 9600,N,8,1
8.2.6
Set Authentication
Command Response Parameter
AT+AUTH=<Para1> OK
AT+AUTH? OK
AUTH<Para1>
Para1 =
Authentication
0 = disable
1= enable
Authentication
enabled
Note: The default authentication mode is Authentication enabled.
8.2.7 Set Password
Command Response Parameter
AT+PASSWORD=
< Para1>
OK Para1 Password
ZBA, Inc.
AT+PASSWORD? OK
+PASSWORD: < Para1>
Note: The default authentication password = 1111
8.2.8 Set Device Name
Default = 1111
Command Response Parameter
AT+NAME= < Para1> OK
AT+NAME? OK
+NAME <Para1>
Para1= Device name
Default= ZBA-SPP
Note: The default Device name = ZBA-SPP.
8.2.9 Set Device Type
Command Response Parameter
AT+CLASS=< Para1> OK
AT+CLASS? OK
CLASS<Para1>
Para1 Device type (Length
must = 6 characters)
default = 000000
8.2.10 Set Master/Slave Mode
Command Response Parameter
AT+ROLE=< Para1> OK
AT+ROLE? OK
ROLE <Para1>
Para1
Slave = 0, Master = 1
Default = 0, Slave
Note:1 The default mode is Slave.
Note2: While in Master Mode the module will respond with
+INQRES: remote BTADDR
for each of the Bluetooth devices that are in the neighbourhood
To connect to a particular device you will need to type
AT+RADDR= BT address (the specific device you wish to pair determined from the
AT+INQ? Command).
ZBA, Inc.
Command Response Parameter
AT+SCANTIME=<Para1>,<Para2>,
<Para3>,<Para4>
OK Para1= Scan interval
time
Para2=Scan time-out
Para3=Inquiry interv
8.2.11 Clear P
a
Command Response Parameter
AT+CLEARADDR OK None
Note: This command will clear any remote device address that the module has been paired
to.
8.2.12 Set Sniff Power Saving Mode
Command Response Parameter
AT+SNIFF=<Para1>,<Para2>,
<Para3>,<Para4>
OK
AT+SNIFF? OK
+SNIFF<Para1>,<Para2>,
<Para3>,<Para4>
Para1 Maximum
Para2 Minimum
Para3 test
Para4 Over time
Default = 1024.512,1024,512 number in decimal mode
8.2.13 Set Sniff Power Saving Mode—Extended
Command Response Parameter
AT+SNIFFEX=<Para1>,<Para2>,
<Para3>,<Para4>
OK
AT+SNIFFEX? OK
SNIFF<Para1>,<Para2>,
<Para3>,<Para4>
Para1 Maximum
Para2 Minimum
Para3 test
Para4 Over time
Para5 Sniff timeout
Default = 1024.512,1024,512,10 number in decimal mode
8.2.14 Reset to Factory Default
Command Response Parameter
AT+RESET OK None
8.2.15 Set/Inquire Scan Time
a
ZBA, Inc.
AT+SCANTIME? OK
+SCAN<Para1>,<Para2>,
<Para3>,<Para4>
Para4=Inquiry time-
out
Note: The default Value (in decimal = N* 625 us)
Para1= 2048,
Para1= 18,
Para1= 2048,
Para1= 18,
8.2.16 Set/Inquire Paired Device
Command Response Parameter
AT+BIND=
< Para1>
OK
AT+BIND? OK
+BIND<Para1>
Para1
0 =Always paired
1 = Drop pair
Default=1 Drop pairing
Note: The default mode is to drop pair. The drop pair function occurs when the module is
power-off then back on or the master drops pairing. This will allow another master to
commence a discovery process and connect to the module (slave) device.
If the device is set-up as always paired then the module will only communicate with the
specific master whose address it has been bonded to even after power off and power-on.
This mode is useful for application where a cable replacement function is the required. To
communicate to a different master the module must have the bonded address cleared. This
is accomplished by running the AT+CLEARADDR command.
8.2.17 Inquire Version
Command Response Parameter
AT+VERSION OK
+VERSION<Para1>
Para1 version #
Note: This command will return the firmware version of the module. .
8.2.18 Inquired remote device Address
Command Response Parameter
AT+INQ? OK + BT address+BT
Name
Note: This command commences the discovery process to detect any BT device in the
neighborhood.
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