Realtek RTL8191SU User Manual page 7

PHY Features
IEEE 802.11n draft 2.0 MIMO OFDM
- 1 transmit and 2 receive paths (1T2R).
- 20MHz and 40MHz bandwidth transmission.
- Short Guard Interval (400ns).
DSSS with DBPSK and DQPSK, CCK modulations with long and short preamble.
OFDM with BPSK, QPSK, 16QAM, and 64QAM modulations. Convolutional coding rate: 1/2, 2/3, 3/4,
and 5/6.
Maximum data rate 54Mbps in 802.11g and 300Mbps in 802.11n.
OFDM receive diversity with MRC using up to 2 receive paths. Switch diversity used for DSSS/CCK.
Hardware antenna diversity.
Selectable digital transmit and receiver FIR filters
Programmable scaling in transmitter and receiver to trade quantization noise against increasing probability
of clipping.
Fast receiver automatic gain control (AGC).
On-chip ADC and DAC.
7
RTL8191SU
User's Manual
Rev.1.0