User's Manual

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3
■Compatible with 802.11n specification
■Backward compatible with 802.11b/g devices while operating in 802.11n
mode
Host Interface
Co
m
plies with USB Specification Revision 2.0
Standards
Supported
■IEEE 802.11b/g/n compatible WLAN
■IEEE 802.11e QoS Enhancement (WMM)
■IEEE 802.11h TPC, Spectrum Measurement
■802.11i (WPA, WPA2). Open, shared key, and pair-wise key
authentication services
WLAN MAC
Features
■Frame aggregation for increased MAC efficiency (A-MSDU, A-MPDU)
■Low latency immediate High-Throughput Block Acknowledgement
(HT-BA)
■PHY-level spoofing to enhance legacy compatibility
■Power saving mechanism
■Channel management and co-existence
■Transmit Opportunity (TXOP) Short Inter-Frame Space (SIFS) bursting for
higher multimedia bandwidth
WLAN PHY
Features
■IEEE 802.11n OFDM
■One Transmit and one Receive path (1T1R)
■20MHz and 40MHz bandwidth transmission
■Short Guard Interval (400ns)
■DSSS with DBPSK and DQPSK, CCK modulation with long and short
preamble
■OFDM with BPSK, QPSK, 16QAM, and 64QAM modulation.
Convolutional Coding Rate: 1/2, 2/3, 3/4, and 5/6
■Maximum data rate 54Mbps in 802.11g and 150Mbps in 802.11n
■Switch diversity for DSSS/CCK
■Hardware antenna diversity
■Selectable receiver FIR filters
■Programmable scaling in transmitter and receiver to trade quantization
noise against increased probability of clipping Fast
■receiver Automatic Gain Control (AGC)
■On-chip ADC and DAC