better performance
lower cost
Why Wireless
Applications of Wireless LANs:
in hospitals
in campus
in retail stores & restaurants
in warehouses
in old buildings
Wireless Devices
Access Points:
Proxim RangeLAN2 Ethernet & Token Ring Access Point
WaveLAN WavePOINT-II Access Point
Wireless Devices
PC Cards:
WaveLAN Turbo(Bronze) PC Card
Proxim RangeLAN2 7400 PC Card
Date Rate: 2-6 Mbps
Range: 40-115m (indoor)
120-540m (outdoor)
Freq.: 2400-2483.5MHz
Date Rate: 1.6 Mbps
Range: 152m (indoor)
305m (outdoor)
Freq.: 2.4GHz
Pros & Cons of Wireless
Advantages:
Mobility
Flexibility
Ease of Installation
Cost of Installation
Security
Enough Bandwidth for Office Uses
Pros & Cons of Wireless
Disadvantages:
Low Bandwidth
High Error Rates & High Delay
Limited Range of Coverage
Large Consumption of Battery
Unwanted Interference
What is QoS

上一页下一页