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NET+OS and NET+Works are trademarks or registered trademarks of Digi International, Inc. in the United
States and other countries worldwide. All other trademarks are the property of their respective owners.
Information in this document is subject to change without notice and does not represent a committment
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Digi provides this document “as is,” without warranty of any kind, either expressed or implied, including,
but not limited to, the implied warranties of fitness or merchantability for a particular purpose. Digi may
make improvements and/or changes in this manual or in the product(s) and/or the program(s) described
in this manual at any time.
This product could include technical inaccuracies or typographical errors. Changes are made periodically
to the information herein; these changes may be incorporated in new editions of the publication.
Digi International, Inc.
11001 Bren Road East
Minnetonka, MN 55343 U.S.A.
United States: +1 877 912-3444
Other locations: +1 952 912-3444
www.digiembedded.com
Contents
Chapter 1:About the Module.......................................................... 9
This guide provides information about the Digi Connect Wi-Wave embedded core
module.
Conventions used
in this guide
This table describes the typographic conventions used in this guide:
This conventionIs used for
italictypeEmphasis, new terms, variables, and document titles.
monospaced type
Digi information
Related
documentation
Documentation
updates
For additional documentation, see the Documentation folder in the NET+OS Start
menu.
Digi occasionally provides documentation updates on the Web site
(www.digiembedded.com/support).
Be aware that if you see differences between the documentation you received in
your package and the documentation on the Web site, the Web site content is the
latest version.
Filenames, pathnames, and code examples.
7
Contact
information
For more information about your Digi products, or for customer service and
technical support, contact Digi International.
To contact Digi International byUse
MailDigi International, Inc.
11001 Bren Road East
Minnetonka, MN 55343
U.S.A
World Wide Webhttp://www.digi.com/support/
emailhttp://www.digi.com/support/
Telephone (U.S.)(952) 912-3444 or (877) 912-3444
Telephone (other locations)+1 (952) 912-3444 or +1 (877) 912-3444
The Digi Connect Wi-Wave module is an 802.11b/g WLAN communications module
for use in embedded applications. The module is a single circuit card packaged in a
PCI Express Mini Card form factor, and supports all the RF, analog, and digital
circuitry necessary to implement WLAN functionality. Using Digi’s baseband
processor technology, this module is the ideal choice for embedded applications
requiring long-term product availability in conjunction with reliability and easy
design integration.
The primary interface to the module is through a standards-compliant PCI Express
Mini Card edge connector, using a USB 2.0 full speed/high speed link for
communication with the host system.
Features
Note:
The Connect Wi-Wave module also provides a dual diversity antenna option through
two on-board U.FL connectors, which allow for cabling to remote 2.4 GHz antennas.
Ultra-compact and standards-based form factor
Easy design integration through USB 2.0 full speed/high speed interface
Dual diversity antenna option through two on-module U.FL antenna connectors
Digi 802.11b/g baseband processor technology for long-term product
-30°C to +70°C operating temperature for harsh environments
RoHS compliant design
The Connect Wi-Wave edge connector pinout is compliant with the PCI
Express Mini Card Electromechanical Specification, Revision 1.1 (March 28,
2005) with this exception: the Connect Wi-Wave has a 4-wire JTAG
programming interface mapped to pins 45, 47, 49, and 51.
The Connect Wi-Wave module edge connector is a 52-pin connector whose pinout
follows the standard PCI Express Mini Card edge connector pinout as stated in the
PCI Express Mini Card Electromechanical Specification, Revision 1.1, with this
exception: JTAG signals are mapped onto pins 45, 47, 49, and 51. These signals are
reserved and not intended for user applications.
Connect Wi-Wave
The module edge connector is configured as shown (signal direction w.r.t Wi-Wave):
U.FL connectorsThe module uses two U.FL antenna connectors (P1 and P2) to allow for cabling to
embedded antennas or external antenna connectors. For more information, see
Chapter 3, “Using the Antenna.”
USB peripheral controller
The module uses a peripheral USB controller to interface to either a full speed or
high speed USB 2.0 link. The link first tries to communicate to the host system
board at the high speed USB rate (480 Mbps). If not successful, the link reverts to
the full speed USB rate (12 Mbps). This link is used for all communication between
the module and the host system board.
The Connect Wi-Wave module does not support low-speed USB connections.
802.11b/g modes and channels
The Connect Wi-Wave transmits and receives data at up to 11 Mbps when operating
in 802.11b mode and up to 54 Mbps when operating in 802.11g mode. It supports
these 802.11b/g channels:
Channels 1 through 11 for North America (2.401 GHz–2.473 GHz)
Channels 1 through 13 for Europe (2.401 GHz–2.483 GHz)
Channels 1 through 14 for Asia (2.401 GHz–2.495 GHz)
Channel
allocations
ChannelCenter frequency
(MHz)
12412 2401 - 2423
22417 2406 - 2428
324222411 - 2433
Frequency spread
(MHz - MHz)
424272416 - 2438
524322421 - 2443
624372426 - 2448
724422431 - 2453
824472436 - 2458
924522441 - 2463
1024572446 - 2468
1124622451 - 2473
1224672456 - 2478
1324722461 - 2483
1424842473 - 2495
Voltage regulators
The module takes in 3.3V±9% (3.00V to 3.60V) as its main input power. This power is
filtered and used as a 3.3V supply to portions of the digital logic. This power also
acts as input to dedicated on-board voltage regulators.
The module does not provide a voltage monitor or automatic reset signal generator;
rather, the module uses a reset signal generated by the host system board.
LEDS
The module does not have any on-board LEDs, but it drives the LED_WLAN# signal
(pin 44) to indicate WLAN association and transmit/receive activity. This table
shows the different LED states:
LED stateIndication
OffNot powered on
OnAssociated and authenticated
Slow blinkNot associated or authenticated
Voltage monitor — Reset generator
. . . . .
Intermittent blinkTransmit/receive activity
Power
The module requires only +3.3 VDC, 750 mA max. This power must be a wellregulated +3.3V supply due to limited supply filtering in the module. The digital
inputs and outputs are 3.3V CMOS compatible. See “Power requirements” on
page 38 for specifications.
DISABLE signalThe module supports the active low
Express Mini Card Electromechanical Specification. This signal not only disables the
power supplies to the radio portion of the module, it also powers down additional
portions of the module to reduce power consumption to a minimum.
W_DISABLE# signal (pin 20) as specified in the PCI
Place the Connect Wi-Wave module into the connector and support bracket, P52, on
the development board.
The Connect Wi-Wave module connector is a 52-pin connector that conforms to the
PCI Express Mini Card Electromechanical Specification, Rev. 1.1, with additional
non-standard connections (to the reserved pins on the standard connector). All the
non-standard connections are routed through switches:
When the switches are off (default), the development board fully complies
with the PCI Express Mini Card Electrical Specification.
When the switches are closed, the development board provides access to the
additional signals. Note that these signals are reserved and not intended for
user applications.
Note:
PinTypeSignalPinTypeSignal
1n/aNo connect2InVcc_3.3
3n/aNo connect4InGND
5n/aNo connect6n/aNo connect
Signal direction w.r.t PCIe Mini Card.
7n/aNo connect8OutUIM_PWR (C1)
9InGND10I/OUIM_DATA (C7)
www.digiembedded.com17
ABOUT THE DEVELOPMENT BOARD
Connect Wi-Wave module connector, P52
PinTypeSignalPinTypeSignal
11n/aNo connect12OutUIM_CLK (C3)
13n/aNo connect14OutUIM_RESET (C2)
15InGND16OutUIM_Vpp (C6)
KeyKeyKeyKeyKeyKey
17I/OUIM C818InGND
19I/OUIM C420InW_DISABLE#
21InGND22InPERST#
23n/aNo connect24n/aNo connect
25n/aNo connect26InGND
27InGND28n/aNo connect
29InGND30n/aNo connect
31n/aNo connect32n/aNo connect
33n/aNo connect34InGND
35InGND36I/OUSB_D-
37n/aNo connect38I/OUSB_D+
39n/aNo connect40InGND
41n/aNo connect42OutLED_WWAN#
43n/aNo connect44OutLED_WLAN#
45n/a or InNo connect or JTAG_TCK46OutLED_WPAN#
47n/a or InNo connect or JTAG_TMS48n/aNo connect
49n/a or OutNo connect or JTAG_TDO50InGND
51n/a or InNo connect or JTAG_TDI52InVcc_3.3
18Connect Wi-Wave Hardware Reference, Rev B 9/2007
LED DS1The switching regulator is adjusted to output +3.3VDC ± 5% or better. LED DS1 lights
up when the regulator outputs +3.3V power. See “Power supply” on page 21 for
more information.
LED DS2LED DS2 lights up when the host system supplies power over the USB bus. This LED
indicates that the host platform has recognized the attachment of a USB peripheral
device on the USB bus. See “USB peripheral interface” on page 23 for more
information.
Debug (signal)
breakout header
LEDs
Four LEDs are associated with the debug (signal) breakout header:
DISABLE, DS3: Lights up when the W_DISABLE# signal is asserted.
WAN, DS4: Reserved for future use.
LAN, DS5: Lights up when the module drives the LED_WLAN# signal.
PAN, DS6: Reserved for future use.
See “Debug breakout header, P201” on page 24 for more information.
Volt age m oni t orThe development board provides a power supply voltage monitor and reset
generator. When the +3.3V regulated supply voltage drops below 2.93V, the reset
signal — RESET# — is asserted for a minimum of 140 msec. This signal is connected
to the Connect Wi-Wave edge connector (pin 22), as well as to the signal breakout
header for monitoring.
Alternative
methods to trigger
RESET#
In addition to supply voltage monitoring, reset logic can be triggered in two other
ways. The RESET# logic is asserted when you do one of these actions:
Manually push SW1, a pushbutton reset switch on the development board
Pull low pin 15 on the JTAG breakout header, P200
20Connect Wi-Wave Hardware Reference, Rev B 9/2007
The development board provides a 3.3VDC switching power supply. Either a bench
power supply or an AC wall adapter supplies input power to the development board.
The required input voltage range is 9–30V
DC
.
. . . . .
Input power jack, J1The input power jack, J1, is a barrel connector that accepts 9-30 VDC. The power
Input power
supply
jack is labeled J1 on the development board. This figure schematically represents
the power jack’s polarity:
The output current of this regulator is limited to 3 amps and the Connect Wi-Wave
module draws no more than 1.5 amps. Using these values as a guideline, and using
an 80% efficiency for the switching regulator, the input power supply should be
rated to provide at least 6 watts of power.
Important:
The development board does not use USB power. You must always use
the input power jack, J1, to power the development board.
ImportantThe development board does not use USB power. You must always use the input
The USB Type B connector, J4, is the primary communications interface to the
development board. The USB bus is routed from the USB peripheral jack to the
appropriate module connector pins.
The debug breakout header’s primary purpose is to provide access to the
W_DISABLE# signal. The W_DISABLE# signal usually is used as a hardware means to
disable RF transmissions from the module without software intervention.
PinTypeSignalPinTypeSignal
1n/aNo connect2Monitor ptVcc_3.3
3n/aNo connect4Monitor ptLED_WWAN#
5n/aNo connect6Monitor ptGND
7n/aNo connect8Monitor ptLED_WLAN#
9Monitor ptGND10Monitor ptGND
11n/aNo connect12Monitor ptLED_WPAN#
13n/aNo connect14Monitor ptGND
15n/aNo connect16Monitor ptRESET#
17n/aNo connect18Monitor ptGND
19Monitor ptGND20InputW_DISABLE#
W_DISABLE#
signal
24Connect Wi-Wave Hardware Reference, Rev B 9/2007
The active low W_DISABLE# signal is on pin 20 of the signal breakout header. GND
signals are positioned adjacent to the DISABLE# signal on pins 18 and 19. To assert
the DISABLE# signal to the module, place a jumper between either pins 18 and 20 or
As an alternative, you can drive this pin with a low voltage TTL or CMOS driver.
When asserted, DISABLE# lights the DISABLE LED, DS3.
U.FL and RP-SMA connectors
ABOUT THE DEVELOPMENT BOARD
U.FL and RP-SMA connectors
. . . . .
U.FL connectorsThe development board has two U.FL connectors that pair with two RP-SMA
connectors. WiFi antenna 1 (P11) pairs with RP-SMA connector J11; WiFi antenna 2
(P12) pairs with RP-SMA connector J12.
???U.FL cablesThe development kit includes two U.FL-to-U.FL cables that can be used to connect
the module and development board. The number of cables used depends on
whether one antenna is used to transmit and receive or two antennas are used
(diversity receive).
1Attach one end of the cable(s) to the U.FL connector(s) on the Connect Wi-Wave
module.
www.digiembedded.com25
ABOUT THE DEVELOPMENT BOARD
U.FL and RP-SMA connectors
2Attach the other end of the cable(s) to the U.FL connector(s) on the
development board.
3Attach the RP-SMA antenna to the appropriate RP-SMA connector on the
development board.
RP-SMA
connectors
For more
information
If you are using only one cable/connection, be sure you attach the RP-SMA antenna to
the correct connector:
If the cable is connected to U.FL connector P11, or WiFi antenna 1, attach the
RP-SMA antenna to J11.
If the cable is connected to U.FL connector P12, or WiFi antenna 2, attach the
RP-SMA antenna to J12.
For information about the antenna(s) and using it, see Chapter 3, “Using the
Antenna.”
26Connect Wi-Wave Hardware Reference, Rev B 9/2007
Using the Antenna
The Digi Connect Wi-Wave development board supports three types of antennas:
29000095 ANT, WHIP 2.4-2.5 GHz Dipole (2.0000)
29000146 ANT, WHIP 2.4 GHz Dipole 5 dBi (2.0000)
Attach the U.FL-to-U.FL cables, provided in the development kit, to both the
module and the development board. There are two cables included; whether you
use one cable or both depends on how you set up your antenna(s).
Be sure that the antenna you use complies with the regulatory requirements of your
region. In North America, for example, you can operate only with antennas
approved by Digi International, Inc., or antennas matching the specifications of
Digi-approved antennas.
Necessary
Conditions for
Integration
The following conditions are necessary for integration:
The antenna must be installed such that 20 cm is maintained between the
antenna and users for all installations.
The transmitter module may not be co-located with any other transmitter or
antenna.
The Module is approved using the FCC “unlicensed modular transmitter
approval” method; therefore, the module must be used with the originallyapproved antennas only. As long as you meet these three conditions, further
transmitter testing will not be required. However, you are still responsible for
testing your end-product for any additional compliance requirements
associated with this module installation (e.g., digital device emissions, PC
peripheral requirements, etc.).
Note: In the event that any of these conditions cannot be met (for example
portable configurations, co-location with another transmitter, or use of a different
antenna), then the FCC authorization is no longer considered valid, and you are
unable to use the FCC ID on the final product. In these circumstances, you will be
responsible for re-evaluating the end product (including the transmitter) and
obtaining a separate FCC authorization.
27
USING THE ANTENNA
Connect
Wi-Wave antenna
configurations
U.FL cable and
RP-SMA
connection
The Connect Wi-Wave can transmit data or receive data, but not at the same time.
Software controls the transmit/receive functionality as well as the antenna switch.
You have the option of using two antennas (required for diversity receive) or one
antenna to transmit and receive data.
Using two antennas: The Connect Wi-Wave transmits on one antenna and
receives on the other antenna (at separate times) without changing the
antenna switch. Use both cables.
Using one antenna: The Connect Wi-Wave transmits on one antenna, software
toggles the antenna switch, then the Connect Wi-Wave receives on the same
antenna. Use only one cable, which can be connected to either U.FL connector
on the module and on the development board.
Use these connection steps with the RP-SMA antennas: 29000095 — 2.4-2.5 GHz
Dipole and 29000146 — 2.4 GHz Dipole 5.5 dBi:
1Attach one end of the cable(s) to the U.FL connector(s) (P1, P2) on the Connect
Wi-Wave module.
2Attach the other end of the cable(s) to the U.FL connector(s) (P11, P12) on the
development board.
3Attach the RP-SMA antenna to the appropriate RP-SMA connector (J11, J12) on
the development board. If you are using only one cable/connection, be sure you
attach the RP-SMA antenna to the correct connector:
–If the cable is connected to U.FL connector P11, or WiFi antenna 1, attach
the RP-SMA antenna to J11.
–If the cable is connected to U.FL connector P12, or WiFi antenna 2, attach
the RP-SMA antenna to J12.
28Connect Wi-Wave Hardware Reference, Rev B 9/2007
The module uses the same antennas to transmit and receive the 802.11b/g RF
signal. An antenna switch is required to isolate the transmit signal from the receive
signal. The antenna switch works by alternately connecting the antennas to either
the transceiver PA transmit output or the transceiver receive input. To support this
antenna sharing scheme, the module operates in half-duplex mode; receive and
transmit operations do not occur at the same time.
Antenna switchThe antenna switch is a digitally controlled 2.4 GHz, 50 ohm, multi-function solid
state switch, controlled by software.
The receive port can be switched between antenna 1 or antenna 2.
The transmit port can be switched between antenna 1 or antenna 2.
The switch can handle >28dBm of signal on the transmit port. The insertion loss of
the antenna switch is <0.5dB and the receive to transmit port isolation is >23dB.
. . . . .
Antenna specifications: 2 dBi Dipole
Attributes
AttributeProperty
Frequency2.4~2.5 GHz
Power output2W
DB gain2 dBi
VSWR< or = 2.0
Dimension108.5 mm x 10.0 mm
Weight10.5g
Temperature rating-40°–+80° C
Part numberDG-ANT-20DP-BG
Dimensions
Note:
Dimensions are provided for reference purposes only. The actual antenna
might vary.
www.digiembedded.com29
USING THE ANTENNA
Antenna specifications: 2 dBi Dipole
.360
.125
R
(3.2)
3.500
(88.9)
3.300
(83.8)
(9.1)
Antenna strength
(radiation
pattern) diagram
90.0˚
.399
(10.1)
1.010
(25.4)
1.200
(30.5)
This diagram shows the strength of the signal received by the whip antenna on both a
horizontal and vertical plane. The diagram shows the magnetic field when the
antenna is in a vertical position. The red solid line represents the horizontal plane
and the green dotted line represents the vertical plane. You can see in the
illustration that at 90 degrees, the signal strength is 0 (as expected).
30Connect Wi-Wave Hardware Reference, Rev B 9/2007
This transmitter module is authorized for use only in devices where the antenna
may be installed, such that 20 cm may be maintained between the antenna and
users (e.g., routers, wireless ASDL modems, and similar equipment). Label the final
end product in a visible area with the following statement: "Contains Wi-Wave FCC
ID: MCQ-50M1380.”
Note: For Canadian users, use the following statement: “"Contains Wi-Wave IC:
1846A-50M1380.”
End User Manual: RF Exposure Statements
The end user manual must include the following information in a prominent
location:
"IMPORTANT NOTE: To comply with FCC RF exposure compliance requirements, the
antenna used for this transmitter must be installed to provide a separation distance
of at least 20 cm from all persons and must not be co-located or operating in
conjunction with any other antenna or transmitter."
Additional End
User Information
Please do not provide the end user with any instructions on how to remove or to
install the Connect Wi-wave module.
34Connect Wi-Wave Hardware Reference, Rev B 9/2007
The Connect Wi-Wave module complies with RF exposure limits for humans as called
out in RSS-102. It is exempt from RF evaluation based on its operating frequency of
2.4 GHz, and effective radiated power less than the three watt requirement for a
mobile device (>20 cm separation) operating at 2.4 GHz.
Safety statements
To avoid contact with electrical current:
Never install electrical wiring during an electrical storm.
IL
IH
OL
OH
<0.3*Vcc
<Vcc
<0.4V
<Vcc
Use a screwdriver and other tools with insulated handles.
Wear safety glasses or goggles.
Installation of inside wiring may bring you close to electrical wire, conduit,
terminals and other electrical facilities. Extreme caution must be used to avoid
electrical shock from such facilities. Avoid contact with all such facilities.
Protectors and grounding wire placed by the service provider must not be
connected to, removed, or modified by the customer.
Do not touch or move the antenna(s) while the unit is transmitting or receiving.
Do not hold any component containing a radio such that the antenna is very
close to or touching any exposed parts of the body, especially the face or eyes,
while transmitting.
Do not operate a portable transmitter near unshielded blasting caps or in an
explosive environment unless it is a type especially qualified for such use.
38Connect Wi-Wave Hardware Reference, Rev B 9/2007
Any external communications wiring you may install needs to be constructed to all
relevant electrical codes. In the United States, this is the National Electrical Code
Article 800. Contact a licensed electrician for details.
Module and development board dimensions
. . . . .
Module
dimensions
Note:
The measurements in this drawing are in inches.
www.digiembedded.com39
Module and development board dimensions
AREA REMOVED
1. 850
5. 000
3. 150
. 050" RAD
MA X
0
0
3. 000
2. 095
. 550
Development
board dimensions
Note:
The measurements in this drawing are in inches.
40Connect Wi-Wave Hardware Reference, Rev B 9/2007
The Connect Wi-Wave products comply with the standards cited in this section.
FCC Part 15 Class B
Radio Frequency Interface (RFI) (FCC 15.105)
The Connect Wi-Wave embedded module has been tested and found to comply with
the limits for Class B digital devices pursuant to Part 15 Subpart B, of the FCC rules.
These limits are designed to provide reasonable protection against harmful
interference in a residential environment. This equipment generates, uses, and can
radiate radio frequency energy, and if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user
is encouraged to try and correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Labeling Requirements (FCC 15.19)
This device complies with Part 15 of FCC rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this
41
CERTIFICATIONS
FCC Part 15 Class B
device must accept any interference received, including interference that may
cause undesired operation.
If the FCC ID is not visible when installed inside another device, then the outside of
the device into which the module is installed must also display a label referring to
the enclosed module FCC ID. This exterior label can use wording such as the
following: Contains Transmitter Module FCC ID: MCQ-50M1380, IC: 1846A-50M1380.
Modifications (FCC 15.21)
Changes or modifications to this equipment not expressly approved by Digi may void
the user’s authority to operate this equipment.
Industry Canada
This digital apparatus does not exceed the Class B limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Canadian
Department of Communications.
Le present appareil numerique n’emet pas de bruits radioelectriques depassant les
limites applicables aux appareils numeriques de la class B prescrites dans le
Reglement sur le brouillage radioelectrique edicte par le ministere des
Communications du Canada.
42Connect Wi-Wave Hardware Reference, Rev B 9/2007
Declaration of Conformity
(In accordance with FCC Dockets 96-208 and 95-19)
Manufacturer’s Name:Digi International
Corporate Headquarters:11001 Bren Road East
Manufacturing Headquarters:10000 West 76th Street
Digi International declares, that the product:
Product Name:Connect Wi-Wave
Model Numbers:50001380-01
CERTIFICATIONS
FCC Part 15 Class B
. . . . .
Minnetonka MN 55343
Eden Prairie MN 55344
to which this declaration relates, meets the requirements specified by the Federal
Communications Commission as detailed in the following specifications:
Part 15, Subpart B, for Class B equipment
FCC Docket 96-208 as it applies to Class B personal
Personal computers and peripherals
The product listed above has been tested at an External Test Laboratory certified
per FCC rules and has been found to meet the FCC, Part 15, Class B, Emission
Limits. Documentation is on file and available from the Digi International
Homologation Department.
www.digi.com43
CERTIFICATIONS
FCC Part 15 Class B
International EMC Standards
The Connect Wi-Wave meets the following standards:
Standards
EmissionsEN 55022:2006 Class B
EN 61000-3-2 and EN61000-3-3
EN 300 328 V1.6.1 (2004-11)
AS/NZS CISPR 22:2006
ICES-003, Class B
FCC Part 15 Subpart B Class B
FCC Part 15 Subpart C Section 15.247
(FCC ID: MCQ-50M1380)
IC RSS 210 Issue 6 and RSS GEN Issue 1
(IC: 1846A-50M1380)
ImmunityEN 55024
EN 301 489-17 V1.2.1: (2002-08)
SafetyUL 60950-1
ICE/EN 60950-1 (European Union)
CSA C22.2, No. 60950-1
44Connect Wi-Wave Hardware Reference, Rev B 9/2007