Tektronix BPA100 Installation & Operation Manual

Bluetooth Protocol Analyser

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Installation & Operation Manual

Digianswer Bluetooth Protocol Analyser Installation & Operation Manual

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CAUTION, 2
About this manual, 3
Unpacking, 3
Introduction, 4
Installation, 5

Installing hardware and drivers, 5
Installing application software, 6
Uninstalling old programs, 6

Data Collector operation, 8

Features, 8
Main window, 9
Starting log session, 10
Stopping log session, 12
Opening old log session, 12
Saving log session, 12
Exit, 13

Bluetooth Packet Analyser operation, 13

Features, 13
Main window, 14
Opening a file, 15

Filter setup, 15
View setup, 16
Hex view, 16
Back to Baseband, 17
One level up/down, 17
Exit, 17

Technical facts, 18

System requirements, 18
Upgrades, 18
Hardware specifications, 18
Bluetooth radio specifications, 18
Bluetooth Protocol Analyser packet format, 18

Appendices:

A: Changes implemented since v1.0, 19
B: Packet format, 20
C: Regulatory statements, 22
D: Digianswer contact information, 23

Digianswer Bluetooth Protocol Analyser Installation & Operation Manual

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FCC Radio-Frequency Exposure Statement

This equipment generates and radiates radio-frequency energy. In order to comply with FCC

radio-frequency radiation exposure guidelines for an uncontrolled environment, this equipment

has to be installed and operated while maintaining a minimum body-to-antenna distance of 20 cm.

Users are not permitted to make changes or modify the system in any way.

Digianswer Bluetooth Protocol Analyser Installation & Operation Manual

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This installation and operation manual provides you with the
information you need to make maximum use of Digianswer’s
Bluetooth™ Protocol Analyser. The manual is structured as
follows:

• The Introduction provides basic information on what the
Bluetooth Protocol Analyser is and how it works.

• The sections on Installation explain how to connect the

USB-based hardware unit, install drivers, and install the

software applications. Furthermore, this section contains
information on necessary deinstallation of certain
programs before the installation of the Bluetooth Protocol
Analyser can take place.

• The sections on Operation provide instructions in how to

use the Data Collector and the Bluetooth Packet Analyser
respectively.

• Technical facts contains system requirements, upgrade

information, and hardware specifications.

• The Appendices provide a list of the changes

implemented since the previous version of the product.
Also, you will find information on the packet format of
the Bluetooth Protocol Analyser, allowing developers to
build alternatives to Digianswer's Bluetooth Packet
Analyser module. Finally, the manual contains various
regulatory statements, and information on how to get in
contact with Digianswer.

Note: This product has been designed for development
purposes and is not to be sold to or used by end users.

Legal disclaimer

Any responsibility or liability for loss or damage in connection
with the use of this product and the accompanying
documentation is disclaimed. The information in this document
is furnished for informational use only, is subject to change
without notice, may contain errors or inaccuracies, and
represents no commitment whatsoever. This agreement is
governed by the laws of Denmark.

Rev: 1.1 – 00-09-08

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The Bluetooth Protocol Analyser package contains the
following items:

• Bluetooth USB Protocol Analyser

• Cable for Bluetooth USB Protocol Analyser

• Bluetooth Protocol Analyser CD-ROM

• Installation & operation manual

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Digianswer’s Bluetooth Protocol Analyser is a development kit
that allows you to view Bluetooth protocol data and carry out
fast and effective analysis during the process of developing
Bluetooth equipment.

Basically, the Bluetooth Protocol Analyser consists of a USB­based hardware unit and a software application called the
Data Collector. With this equipment you can set up a log
session during which you can intercept all the data transmitted
between devices forming a Bluetooth piconet.

Accompanying the Bluetooth Protocol Analyser is a software
application called the Bluetooth Packet Analyser, which is
used for analysing the data logged during a session. The
Bluetooth Packet Analyser can display all the baseband
packets logged, and isolate, decode, and display LMP,
L2CAP, RFCOMM, and SDP packets.

The Bluetooth Packet Analyser works as a plug-in for the Data
Collector module. This is an open interface, which means that
anyone is free to develop alternative Analyser modules for the
Bluetooth Protocol Analyser.

The Bluetooth Protocol Analyser can be used in two
configurations:

•• As an independent unit: In this configuration, the
Bluetooth Protocol Analyser does not participate in the
piconet; it only listens in, logging all baseband packets
transmitted between the master and slaves of the piconet.

•• As a participant in the piconet: In this configuration, the
Bluetooth Protocol Analyser is either the master or a slave
of the piconet. The Bluetooth Protocol Analyser is attached
to a computer running both the Data Collector application
and Digianswer’s Bluetooth Software Suite*. The Data
Collector logs all baseband packets transmitted from the
computer to other participants of the piconet as well as the
packets received by the computer.

Note: While using the Bluetooth Protocol Analyser, it is
advisable not to run any other applications on your
computer – the Bluetooth Software Suite being an
exception.

*

Digianswer’s Bluetooth Software Suite is automatically installed on

your computer at the same time as the Bluetooth Protocol Analyser.

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The installation procedure includes installing hardware,
drivers, and software applications for the Bluetooth Protocol
Analyser. In addition, Digianswer’s Bluetooth Software Suite
will be installed.

Note: If the Digianswer Bluetooth Demo Card or a
previous version of the Bluetooth Software Suite is
installed on your computer, you must uninstall this before
you can install the Bluetooth Protocol Analyser. See the
subsection “Uninstalling old programs” below.

Installing hardware and drivers

To install the Bluetooth Protocol Analyser hardware and the
drivers for it:

1. Insert the Bluetooth Protocol Analyser CD-ROM.

2. Plug the USB cable of the Bluetooth Protocol Analyser into
an available USB port on the computer. Windows now
finds the new hardware and asks for drivers.

3. Follow the on-screen steps to complete the installation
of the drivers, which are located on the CD-ROM at

D:\Drivers (where D: is your CD-ROM drive).

Note: When you have installed the drivers, Windows will

ask if you want to restart your computer. However, it is not
necessary to restart the computer before installing the
application software.

Note: When you have installed the drivers, your computer
may appear frozen for some 30 seconds.

Note: Do not remove the Bluetooth Protocol Analyser CD-
ROM from your computer until you have installed the
application software.

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Installing application software

Having connected the Bluetooth USB Protocol Analyser and
installed the drivers, your are now ready to install the
application software for the Bluetooth Protocol Analyser: the
Data Collector and the Bluetooth Packet Analyser. At the same
time you will be installing Digianswer’s Bluetooth Software
Suite.

1. Run D:\Setup.exe (where D: is your CD-ROM drive,

where the Bluetooth Protocol Analyser CD-ROM is
present).

2. Follow the on-screen instructions to complete the

installation of the application software.

3. Restart your computer.

You are now ready to operate your Bluetooth Protocol
Analyser.

Uninstalling old programs

If the Digianswer Bluetooth Demo Card or a previous version
of the Bluetooth Software Suite is installed on your computer,
you must uninstall this before you can install the Bluetooth
Protocol Analyser.

To uninstall the Bluetooth Demo Card:

1. Insert the Demo Card.

2. Insert the Bluetooth Protocol Analyser CD-ROM.

3. Run D:\deinstaller.exe (where D: is your CD-ROM drive).

4. Follow the on-screen instructions.

5. Remove the Demo Card.

6. Restart your computer.

To uninstall the Bluetooth Software Suite:

To uninstall the application software:

1. From the Start menu, find and select Uninstall /
Digianswer Bluetooth Software Suite.

2. Follow the on-screen instructions.

3. Restart your computer.

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To uninstall the drivers:

1. Enter System Properties / Device Manager.

2. Locate and remove the Digianswer Bluetooth

Demo Card Controller and the Digianswer Bluetooth
Ethernet Adapter.

3. Click OK.

Note: At this stage, you may need the original Windows

installation CD-ROM.

Note: The computer may ask if you want to restart your
computer. However, you need to delete the system files
listed below. Therefore, DO NOT RESTART THE

COMPUTER NOW!

4. Start Explorer, enter your \windows\system directory,

and delete the following files:

Dgahci.vxd Dgapcc.sys and Dgapcc32.vxd
Dgal2cap.vxd Dgarfcom.vxd
Dganat.vxd Dgasdp.vxd
Dgandis.vxd Dgausb.vxd and Dgavcomm.vxd

5. Enter the \windows\inf directory and delete the following
files:

Dgahub.inf Dgahub.inf
Dganet.inf Dgausb.inf
Dgapcc.inf Drvdata.bin and Drvidx.bin

6. Enter the \windows\system32\drivers directory and
delete the following files:

Digiusb.sys Dgamap.sys

7. Restart your computer.

You can now install the Bluetooth Protocol Analyser, including
the Bluetooth Software Suite as described in the sections
“Installing hardware and drivers” and “Installing application
software” above.

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Features

The purpose of the Data Collector is, basically, to listen in on
the Bluetooth piconet to which it is connected, and create a log
containing all the baseband packets transmitted between the
Bluetooth devices participating in the piconet. With the Data
Collector, you can:

• Capture all baseband packets transmitted within a
Bluetooth piconet – including packets that are normally not
visible for the host such as retransmitted packets – and
view the status of each packet (access error, packet
header error, etc.), estimated clock and hop frequency.

• Transmit and receive on a single user-defined frequency.

• Turn data whitening on and off.

• Select any specified hopping pattern: Europe/USA, Japan,

France, or Spain.

• Start/stop log sessions manually.

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Main window

In this section, we will take a look at the Data Collector main
window. In the following sections, we will go into detail with the
various functions of the program.

j k l

m n

j File, Modules, and Help menus. The File menu contains

an item for each of the functions that you can use the Data
Collector for: Opening logged files, saving files, starting log
sessions, stopping log session, and quitting the Data
Collector. These functions are described in the following
sections. From the Modules menu, it is possible to add
icons for alternative packet Analysers to the Data Collector
window – see the description of l below. Finally, the Help
menu offers easy access to the Digianswer homepage.

k Five icons representing the functions of the Data Collector.

These functions are also accessible from the File menu.
The functions are described below.

l Bluetooth Packet Analyser icon. When you have logged

a new file, or opened an old file from the Data Collector,
clicking this icon will conveniently open the corresponding
file in Digianswer’s Bluetooth Packet Analyser. During the
installation of the Bluetooth Protocol Analyser, the icon is
placed in the registry:

KEY_LOCAL_MACHINE\Software\Digianswer\

Bluetooth Protocol Analyser\Data
Collector\Modules\Digianswer

If you want to use an alternative packet Analyser, placing
an icon for it in the Data Collector window is easily done
via the Modules menu.

m Various information on the current log file: Location, start

and end times, number of baseband packets logged, log
size, and date.

n Status bar.

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Starting log session

Click this icon to open the Start new log session dialog box:

We will now take a look at the three main items of this dialog
box: Logging Mode, Hopping Mode, and Data Whitening.

Logging Mode:

Piconet Member Mode is to be used in connection with the
Bluetooth Software Suite. When a log session is started, the
Bluetooth Protocol Analyser logs all baseband packets sent
from and received by your computer.

In Independent Mode, the Bluetooth Protocol Analyser works
as a stand-alone unit. Three kinds of synchronization modes
can be selected:

• Sync to piconet using master inquiry: In this mode
the synchronization is obtained by performing an
inquiry and using the clock information returned by
the master to set the clock of the Protocol Analyser.
(The master is chosen in a dialog box opened by
clicking Select.) As in some Bluetooth devices the
clock drifts away when the device is not in connect
mode, this synchronization mode can be
troublesome if it is desirable to monitor negotiations
during the connect phase. This is due to the fact that
there are often several seconds’ delay from the time
when the Protocol Analyser obtains the master clock
information until the master actually connects to the
slave. Likewise, if the inquiry scan mode on the
Bluetooth device is not implemented or disabled
during the connection, this mode cannot be used for
synchronization.

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• Sync to piconet using fake connection response:
This mode can only be used during the connect
phase, i.e. when the piconet master connects to a
new slave. The Protocol Analyser pretends it is the
slave unit chosen in the Select ... dialog box and
obtains the master clock information by initiating a
new connection as if it were that slave. Immediately
after the clock information has been retrieved, the
Protocol Analyser stops transmitting, and the piconet
master continues the connection attempt with the
true slave.

• Sync to piconet using slave inquiry: This mode can
only be used during the connect phase and is based
on the same principle as the method mentioned
above in connection with Sync to piconet using fake
connection response. Instead of pretending to be the
slave unit chosen in the Select ... dialog box, the
Protocol Analyser listens for the clock information
sent in the connect phase to the new piconet slave
and therefore does not interfere with the piconet in
any way. To be able to catch the clock information
on the right frequency, it is necessary to obtain the
slave clock. This is done by performing an inquiry to
the slave.

To select master or slave, click Select. The following dialog
box opens:

The Bluetooth Protocol Analyser will now carry out device
discovery, and then display a list of all active Bluetooth devices
within range. To select the master or slave you want to
connect to, highlight the desired device in the above dialog box
and click Select.

You can edit the MAC address in the edit field, thus changing
to a different address.

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Selecting Independent Mode also involves setting the number
of seconds allowed to pass when there is no activity in the
piconet. On timeout, the Bluetooth Protocol Analyser will
inform you of the lack of activity.

Note: When you use the Bluetooth Protocol Analyser in

connection with the Bluetooth Software Suite, it has to be
in piconet mode, i.e. working as a participant in a piconet.
When the Bluetooth Protocol Analyser is in independent
mode, i.e. working as a stand-alone unit, you cannot use it
in connection with the Bluetooth Software Suite.

Hopping Mode:

Here you can select Normal hopping, specifying the hopping
pattern of the geographical area. Or you can select Rx/Tx on
single-frequency, including specifying the desired frequency.

Data Whitening:

Data whitening can be turned on or off. By default, the function
is set to on.

Stopping log session

Click this icon to stop the current log session. The Data
Collector main window will now display information on the start
and end times of the log session, number of baseband packets
logged, and log size.

Opening old log session

Click this icon to browse in Windows Explorer and open a
previously stored log session.

Saving log session

Click this icon to save the current log session. The Bluetooth
Protocol Analyser will save two versions of the log file: A .snf
file to be opened from the Data Collector, and a .data file to be
opened from the Bluetooth Packet Analyser.

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Exit

Click this icon to quit the Data Collector.

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Features

The purpose of the Bluetooth Packet Analyser is, basically, to
analyse and display the contents of log files created by means
of the Data Collector. The Bluetooth Packet Analyser can:

• Analyse baseband packets and display ID, IQ, NULL,
POLL, FHS, DMx, DHx, HVx, and DV Packets.

• Isolate, decode, and display LMP, L2CAP, RFCOMM,
SDP commands, events and data packets.

• Export to .CSV files with ‘:’ as separator. These files are
readable with e.g. Microsoft Excel.

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Main window

In this section we will take a look at the main window of the
Bluetooth Packet Analyser. In the following sections, we will go
into detail with the various functions of the program.

j k l m n

o p q

j File, View, and Help menus. From the File menu you can

open files, view the properties of the current log file, and
quit the program. From the View menu, you can view the
filter and view setups; go directly to any packet number
you want; search; and open the Packet Hex View window
(see the section "Hex view" below). Finally, the Help menu
offers easy access to the Digianswer homepage.

k Icons representing the various functions of the Bluetooth

Packet Analyser. These are described below.

l View the last/next 25,000 packets (baseband packets are

shown at intervals of 25,000).

m Tabs for selecting which packets of the current log file you

want to see – all baseband packets or specific types/levels
of packets: LMP, L2CAP, RFCOMM, and SDP.

n Tabs indicating which items you have selected in the view

setup, where you can decide which elements you want the
list view to show.

o List view displaying the contents of the current log file as a

list of the packets the file contains.

p Status bar.
q Various information on the packet currently highlighted in

the list view. The nature of this information depends on the
type and contents of the packet.

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Opening a file

This function – Load Log session from file – will open a
dialog box that allows you to browse and open a log file.

The Protocol Analyser features especially fast load of files of
sizes up to the available physical and virtual memory
limitations. Files exceeding that size will be loaded less fast.

Filter setup

The filter function allows you to reduce the amount of data
displayed in the list view. In Baseband, for instance, you can
choose to view only LMP and L2CAP packets, rather than all
the packets transmitted. This function can greatly reduce the
number of packets on a list, making the list much easier to
work with.

The filter function needs to be selected for each of the lists –
Baseband, LMP, L2CAP, RFCOMM, or SDP; applying the
function to one of these lists will not affect the others.

In the Filter Setup dialog box, you can select which list of
packets the filter function should be applied to, and which data
should be filtered. The choice of data varies depending on

which list of packets is selected. The following example shows
the dialog box as it appears when selected from Baseband:

Although Baseband is, in principle, a list of all the packets
logged in the current log file, these are filtered by default so
that only LMP and L2CAP packets are shown in Baseband.
However, you can change the settings as your desire.

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View setup

For each of the tabs representing a list of packets –
Baseband, LMP, L2CAP, RFCOMM, or SDP – you can select
which elements should be displayed in the list view. This is
done in the View Setup dialog box. In the example below, the
following elements have been selected for Baseband: Index,
Rx/Tx, and Packet Type.

Hex view

The main window only shows part of what a packet contains
(except at the RFCOMM and SDP level). However, you can
view the entire contents of a packet – including packets that
were fragmented during transmission – by opening the Packet
Hex View dialog box. Here you can select Hex or Binary.
Furthermore, selecting Stay On Top will keep the dialog box in
front of any other Bluetooth Packet Analyser windows that you
open.

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Back to Baseband

Click this icon to return to the list of baseband packets from
any of the other lists of packets.

One level up/down

When a packet is highlighted in the list view, you can navigate
from one level of information to another by means of Enter
(one level down) and Backspace (one level up). For instance,
in Baseband, highlight an L2CAP packet, and press Enter.
This will take you to the L2CAP level of the same packet. You
can now return to Baseband by pressing Backspace, or
proceed to the RFCOMM/SDP level (depending on the packet)
by pressing Enter:

Navigating from one level to another in the
Bluetooth Packet Analyser:

Exit

Click this icon to quit the Bluetooth Packet Analyser.

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System requirements

• Computer with a 266 MHz or higher processor; Pentium II
recommended

• Microsoft Windows 95 or later operating system (excluding
Windows NT)

• 64 MB RAM

• Free hard-disk space required: Approx. 100 MB

(depending on the amount of data logged)

• Monitor resolution: 1024 by 768 pixels or higher

Upgrades

The Bluetooth Protocol Analyser is upgradeable via computer
software. Information about new upgrades will be available
from our web site: www.digianswer.com

Hardware specifications

• Compliant with the USB specification version 1.1

• Powered by the computer

• Standby power consumption: <20mA

• Active power consumption: <350mA

Bluetooth radio specifications

• Designed in accordance with the Bluetooth specification

version 1.0B

• Transmit power: +20dBm (100mW)

• Receiver sensitivity:<-80dBm

• Frequency range: 2.402 - 2.480 GHz

Bluetooth Protocol Analyser packet format

The definition of the Bluetooth Protocol Analyser packet format
is shown in Appendix B.

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The following is a list of the new features implemented in the
Bluetooth Protocol Analyser version 1.1 (i.e. features not
implemented in version 1.0, known as the ”Bluetooth Sniffer”):

Data Collector

• Three sync modes.

• It is now possible to edit a selected master MAC address

in the Start new session dialog box Master edit field. The

format is 6 bytes in hex notation, values are separated by
a colon (00:50:CD:01:00:04).

• Support of correct selection of hop frequency for
Europe/USA, France, Spain, and Japan.

Packet Analyser

• Export to .CSV files.

• Faster file load with file sizes up to the available physical

and virtual memory limitations.

• Decoding of SDP packets across page boundaries.

• Better recognition of SDP packets.

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The following table shows the packet format of the Bluetooth Protocol Analyser. Each [xx] represents one byte.

Byte
position

Name Description

[01] Sync word The Digianswer specified sync word for the Protocol Analyser packet is 0xFF.
[02] Protocol Analyser packet

type

Currently there is only one Protocol Analyser packet type: 0 (the one shown in this table). It
provides a description of how to decode the packet from byte position 7 and onward. In the
future, there may be additional packet types.

[03] Packet counter (15-8) The packet counter can be used to detect missing packets. Please note that packets are

deleted if the host interface is too slow.
[04] Packet counter (7-0) -
[05] Total length (7-0) The total length of the Protocol Analyser packet, not including the first six bytes.
[06] Total length (15-8) ­[07] Status byte

Receive direction

0x00 = Received packet OK

Bit 0 = Access error

Bit 1 = Packet header error (FEC 1/3)

Bit 2 = Packet header error (HEC)

Bit 3 = Payload recoverable error (FEC 1/3 or FEC 2/3)

Bit 4 = Payload nonrecoverable error (FEC 2/3)

Bit 5 = Payload error (CRC)

Bit 6 = Type <> Length error

Transmit direction

0x80 = Packet transmitted

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[08] Estimated clock (27-24) Piconet master clock

[09] Estimated clock (23-16) -

[10] Estimated clock (15-8) ­[11] Estimated clock (7-0) ­[12] Hop frequency The frequency offset “k” used for this packet

F = (2402 + k) MHz
[13] Header info:

AM address (bit 2-0)

If packet type is ID or IQ, this parameter is not valid
[14] Header info:

Type (bit 3-0)

If packet type is ID: 255
[15] Header info:

FLOW (bit 0)

If packet type is ID or IQ, this parameter is not valid
[16] Header info:

ARQN (bit 0)

-

[17] Header info:

SEQN (bit 0)

-

[18] Payload info:

L_CH (bit 1-0)

If packet type is ID, IQ, NULL, POLL, HV1, HV2, HV3 or FHS, this parameter is not valid
[19] Payload info:

FLOW (bit 0)

-

[20] Payload info:

Length (bit 8)

-

[21] Payload info:

Length (bit 7-0)

-

[22] 1st payload data byte Tx/Rx payload data bytes. Note that Tx data bytes are bit-reversed
[23] 2nd payload data byte -

... ... -

... ... -

... ... -

[359] 338th payload data byte -

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General

This product complies with any mandatory product
specification in any country where the product is sold. In
addition, the product complies with the following.

United States of America and Canada

Tested To Comply With FCC Standards FOR HOME OR
OFFICE USE. See FCC 47CFR part 15.19(b)(2).

This device complies with part 15 of the FCC rules and with
RSS-210 / RSS-139 of the Industry Canada. Operation 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.

Note that any changes or modifications to this equipment not
expressly approved by the manufacturer may void the FCC
authorization to operate this equipment.

European Union (EU) and EFTA

This equipment complies with the R&TTE directive and has
been provided with the CE mark accordingly.

Note that the radio frequency band used by this equipment has
not been harmonized in all of the EU.

Japan

Japan office:
Address: BIA Inc.

No. 202 Gobancho House
4-22 Gobancho

Chiyoda-Ku, Tokyo 102-0076
Phone [phone]
Fax: [phone]
E-mail: [e-mail]

Digianswer Bluetooth Protocol Analyser Installation & Operation Manual

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Skalhuse 5
DK-9240 Nibe
Denmark
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Web site: www.digianswer.com

Bluetooth Protocol Analyser

Digi

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