Адаптер - беспроводная сетевая карта USB Wifi -Wireless Adapter IEEE 802.11n MINI LAN Network Card Wi-FI (связь двух PC в режиме Ad-hoc) Новый + Качественный + гарантия

http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=48&PFid=48&Level=5&Conn=4&DownTypeID=3&GetDown=false&Downloads=true#RTL8188CUS



а также для компьютеров и ноутбуков USB внешняя звуковая карта



Features

General
46-pin QFN
CMOS MAC, Baseband PHY, and RF in a single chip for IEEE 802.11b/g/n compatible WLAN
Complete 802.11n solution for 2.4GHz band
72.2Mbps receive PHY rate and 72.2Mbps transmit PHY rate using 20MHz bandwidth
150Mbps receive PHY rate and 150Mbps transmit PHY rate using 40MHz bandwidth
Compatible with 802.11n specification
Backward compatible with 802.11b/g devices while operating in 802.11n mode

Host Interface
Complies 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

MAC Features
Frame aggregation for increased 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
Power saving mechanism
Channel management and co-existence
Multiple BSSID feature allows the RTL8188CUS to assume multiple MAC identities when used as a wireless bridge
Transmit Opportunity (TXOP) Short Inter-Frame Space (SIFS) bursting for higher multimedia bandwidth

Peripheral Interfaces
General Purpose Input/Output (10 pins)
Three configurable LED pins
Configurable Bluetooth Coexistence Interface

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




Беспроводная USB точка доступа/сетевая





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