RTL8191SU
User’s Manual
5 Rev.1.0
2. General Features
General
• 64-pin QFN
• CMOS MAC, Baseband MIMO PHY, and RF Single Chip for IEEE 802.11b/g/n compatible WLAN
• Complete 802.11n MIMO solution for 2.4GHz band
• 1x2 MIMO technology for extended reception robustness and exceptional throughput
• Maximum Tx/Rx PHY data rate up to 75M/150Mbps using 20Mhz bandwidth, 150M/300Mbps using
40Mhz bandwidth
• Compatible with 802.11n draft 2.0 specification
• Backward compatible with 802.11b/g devices while operating at 802.11n data rates
Host Interface
• Complies with PCI Express™ Base Specification Revision 1.1
Standards supported
• 802.11e QoS Enhancement (WMM, WMM-SA Client mode)
• 802.11h TPC, Spectrum Measurement
• 802.11k Radio Resource Measurement
• 802.11i (WPA, WPA2). Open, shared key, and pair-wise key authentication services
• Cisco Compatible Extensions (CCX) for WLAN devices
MAC Features
• Frame aggregation increase MAC efficiency (A-MSDU, A-MPDU)
• Low latency Immediate High-Throughput Block Acknowledgement (HT-BA)
• Long NAV for media reservation with CF-End for NAV release
• PHY-level spoofing to enhance legacy compatibility
• MIMO power saving mechanism
• Channel management and co-existence
• Multiple BSSID feature allowing RTL8191SU to assume multiple MAC identity when used as
wireless bridge
• Supports Wake-On-WLAN via Magic Packet and wake-up frame
• TXOP SIFS bursting guarantees multimedia bandwidth
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