Components of WLANs
Network Interface Cards
- Available for laptops as PCMCIA cards
- Available for desktops as standard cards
- Many laptops come with WLAN cards built in
- About 100-500 feet max transmission range
Access Points (APs)
- Used instead of hubs; act as a repeater
- Must hear all computers in WLAN
- Message transmitted twice
- Sender to AP, then AP to receiver