ZyDAS ZD1202 802.11b

ZyDAS 2nd generation 802.11b chip has an US patent pending multipath decoding technology. This innovative technology allows the receiver to realize the full advantage of CCK code even in the presence of severe multipath distortion. In the field test, ZD1202 is on the average 5dB better than current market solutions.
ZD1202 16.5 Mbps mode can be used to substitute the 11 Mbps mode of 802.11b without sacrificing its coverage area or transmission distance. This mode works seamlessly with other 802.11b products and will be turned on automatically when ZD1202 detects that it is talking to another ZD1202.
ZD1202 MAC strengths on the lower cost, higher security and more power saving. 802.11 MAC protocol is embedded in ZD1202 chip. No external memory is needed which can lower total BOM cost. For security, WPA is supported with hardware TKIP engine. No performance will be sacrificed to adopt WPA security.
ZD1202 provides an option to run 802.11 doze mode with 32.768K clock source. The power consumption of ZD1202 is less than 5 mA with this clock speed. This will have a better battery life time in mobile computing environments.
Features:
IEEE802.11b Compliance
128pin / 14x14mm in LQPF package
Cardbus/PCI/MiniPCI interface
Controllerless MAC, no external memory
ZyDAS MDT inside ( MDT means ¡§Multipath Decoding Technology¡¨ which uses Intelligent AGC algorithm for better sensitivity and world best equalization and decoder to improve the Multipath performance of CCK code in 802.11b, now it¡¦s in patent pending.)
Programmable RF interface
Value-added 16.5 and 27.5 Mbps turbo mode
Support WPA and TKIP (H/W support)
Lower power consumption of doze mode with 32.768KHz clock source
Software AP support
Data Rate: 1M, 2M, 5.5M, 11M and auto-mode
Modulation Scheme: DBPSK, DQPSK, CCK
Proprietary 16.5M mode to provide 33% more
throughput at no cost in transmission distance
Advanced multipath decoding technology to overcome 250ns delay spread
Supports short preamble
Supports reception diversity per packet
Programmable RF/IF interface, direct connect to WLAN RF/IF chipsets on the shelves