5 GHz Frequence Band – HiperLAN & IEEE 802.11a
IEEE 802.11a
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- 5 GHz radio band up to 54 Mbps (100 Mbps in future)
- Orthogonal Frequency-Division Multiplexing (OFDM)
- 3 UNII bands per 100 MHz bandwidth and 4 nonoverlapping channels of 20 MHz
- each 20 MHz channel comprises 52 300-kHz-wide subchannels
- 48 subchannels for data transmission, 4 subchannels for error correction
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- UNII-1: 5.15-5.25 GHz frequency range
maximum transmit power: 50 mW
maximum antenna gain: 6 dBi
only indoors