802.11a Data Transmission
Similar to 802.11b; spreads its transmission over a wider spectrum
Each of 12 channel’s bandwidth = 20 MHz
- Broken into 52 separate channels: 312.5 KHz each, plus guard bands
- 48 channels for data (sent across all channels in parallel using Orthogonal Frequency Division Multiplexing (OFDM)
- 4 channels for control