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【文件名】:12712@52RD_AR9220手册已解密.pdf
【格 式】:pdf
【大 小】:2027K
【简 介】:The AR9220 supports frame data transfer to and
from the host using a PCI interface that provides
interrupt generation and reporting, power save,
and status reporting. Other external interfaces
include serial EEPROM and GPIOs. The AR9220
interoperates with standard legacy 802.11a/b/g
devices.
Features
■ Dynamic frequency selection (DFS) is
supported in 5-GHz bands
■ All-CMOS MIMO solution interoperable with
IEEE 802.11a/b/g/n WLANs
■ 2x2 MIMO technology improves effective
throughput and range over existing
802.11a/b/g products
■ Supports spatial multiplexing, cyclic-delay
diversity (CDD), and maximal ratio
combining (MRC)
■ 2.4/5 GHz WLAN MAC/BB processing
■ BPSK, QPSK, 16 QAM, 64 QAM, DBPSK,
DQPSK, and CCK modulation schemes
■ Data rates of up to 130 Mbps for 20 MHz
channels and 300 Mbps for 40 MHz channels
■ Wireless multimedia enhancements quality of
service support (QoS)
■ 802.11e-compatible bursting
■ Support for IEEE 802.11e, h, and i standards
■ WEP, TKIP, and AES hardware encryption
■ 20 and 40 MHz channelization
■ 32-bit 0–33 and 66-MHz PCI 2.3 interface
■ Reduced (short) guard interval
■ Frame aggregation
■ Block ACK
■ IEEE 1149.1 standard test access port and
boundary scan architecture supported
■ 337-pin, 12 mm x 12 mm BGA package
【目 录】:
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