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Appendix A
Specifications
General Characteristics
Type |
Wireless Ethernet Client |
Compatibility |
IEEE 802.11b (High Rate)
Wi-Fi
IEEE 802.3 10/100MBps
|
Media Access Protocol |
CSMA/CA with ACK & RTS/CTS
(Carrier Sense Multiple Access / Collision Avoidance with Acknowledgment)
|
Data Rates |
High Rate: 11Mbps (CCK)
Medium Rate: 5.5Mbps (CCK)
Standard Rate: 2Mbps (DQPSK)
Low Rate: 1Mbps (DBSK)
|
Network Operating System |
Microsoft Windows Networking
Novell Client 3.x, 4.x
|
Host Operating System |
Windows 98SE, ME, 2000, XP |
LEDs |
Power, Eth, Transmission
|
Radio Characteristics
Frequency Band |
2.4 GHz ISM Band (2.4 - 2.4835 GHz) |
Number of Selectable Channels (Overlapping) |
North America (FCC) |
11 |
Europe (ETSI) |
13 |
France (FR) |
4 |
Japan (JP) |
14 |
Singapore (iDA) |
13 |
Other Countries |
FCC 11, ETSI 13 |
|
Modulation Techniques |
DSSS (Direct Sequence
Spread Spectrum):
- CCK (Complimentary Code Keying), for High and
Medium Transmit Rates
- DQPSK (Differential Quadrature Phase Shift
Keying) for Standard Transmit Rate
- DBPSK (Differential Binary Phase Shift Keying)
for Low Transmit Rate
|
Security |
64-bit & 128-bit WEP encryption |
Spreading Sequence |
11 chip Barker Sequence |
Frame Error Rate |
Better than 8% |
Output Power |
100mW |
Regulations |
Europe |
ETSI 300-328, CE Marked |
USA |
FCC 47 CFR Part 15C, Section 15.247 - FCC
Certification- ID: PWG DOLPHIN |
Canada |
RSS 139 |
Japan |
MPT Radio Regulations |
Singapore |
iDA approved |
|
Power Characteristics
Power Consumption |
350 mA at 12V DC |
Power Supply |
+12 V DC from external Power Adapter( 100 V ~ 264 V / 50 ~60 Hz AC IN 12V DC OUT ) |
Physical Characteristics
|
airBridge |
airBridge Outdoor |
airBridge TOTAL |
Dimensions (mm)
Width x Depth x Height |
120 x 130 x 42 |
130 x 130 x 35 |
180 x 180 x 60 |
Weight (gm) |
200 |
550 |
950 |
Operating Temperature
(°c) |
0 ~ +50 |
-40 ~ +65 |
-40 ~ +65 |
Storage Temperature
(°c) |
-25 ~ +50 |
-40 ~ +65 |
-40 ~ +65 |
Humidity |
Operating: 0 to 70% (non-condensing)
Storage: 10 to 90% (non-condensation) |
Operating: 0 to 70% (non-condensing)
Storage: 10 to 90% (non-condensation) |
Operating: 0 to 70% (non-condensing)
Storage: 10 to 90% (non-condensation) |
Supported Frequency sub-bands (in MHz)
Channel number
|
FCC countries
|
ETS countries
|
France
|
Japan
|
Singapore
|
1
|
2412
|
2412
|
Not Allocated
|
2412
|
2412
|
2
|
2417
|
2417
|
Not Allocated
|
2417
|
2417
|
3
|
2422
|
2422
|
Not Allocated
|
2422
|
2422
|
4
|
2427
|
2427
|
Not Allocated
|
2427
|
2427
|
5
|
2432
|
2432
|
Not Allocated
|
2432
|
2432
|
6
|
2437
|
2437
|
Not Allocated
|
2437
|
2437
|
7
|
2442
|
2442
|
Not Allocated
|
2442
|
2442
|
8
|
2447
|
2447
|
Not Allocated
|
2447
|
2447
|
9
|
2452
|
2452
|
Not Allocated
|
2452
|
2452
|
10
|
2457
|
2457
|
2457
|
2457
|
2457
|
11
|
2462
|
2462
|
2462
|
2462
|
2462
|
12
|
Not Allocated
|
2467
|
2467
|
2467
|
2467
|
13
|
Not Allocated
|
2472
|
2472
|
2472
|
2472
|
14
|
Not Allocated
|
Not Allocated
|
Not Allocated
|
2484
|
Not Allocated
|
NOTE:
FCC countries adhere to the regulations as defined
by the U.S. Federal Communications Commission (FCC).
ETS countries adhere to the regulations as defined by the European Telecommunications
Standards Institute (ETSI).
Range
Distance in meters |
11Mbps |
5Mbps |
2Mbps |
1Mbps |
Outdoor Open Space |
800 |
1000 |
1300 |
1600 |
Semi-Open Office |
70 |
80 |
100 |
120 |
Closed Office |
40 |
50 |
70 |
80 |
NOTE:
The range of values listed in the table above are typical distances
measured at smartBridges premises. These represent indicative values
and may vary according to actual radio conditions at the location where
the airBridge will be used.
The range of your wireless devices can be affected when
they are placed near metal surfaces and solid high-density materials like
concrete walls, wood constructions, steel structures etc.
Range is also affected by obstacles in the
signal path of radio. These obstacles may either absorb or reflect the
radio signal.
Environments can be described as follows:
- Outdoor Open Space environment: Devices are in Radio
Line of Sight (RLOS) and there is no physical obstruction between them.
- Semi-Open Office environment: Workspace is divided
by shoulder-height, hollow (glass, plastic) wall elements; airBridge is
placed at desktop level.
- Closed Office environment: Workspace is divided by
high-density solid wall structures.
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