User's Manual

5-9
Realtek RTL8187 Wireless LAN USB 2.0 Adapter
User Guide
Advanced page
z Power Save
 None: without power save mode
 Min: wake up every two time interval to
receive packets
 Max: wake up every ten time interval to
receive packets
z Wireless Mode
 802.11b
 802.11g/b
z 802.11b Preamble Mode
 Long: higher quality but with lower
performance than preamble short mode
 Short: Normal quality but with higher
performance then preamble long mode.
 Auto: select the proper preamble mode
by current signal frame information.
z Channel Plan
Each country defines their channels of wireless LAN. The detail mapping between country
and channel plan is put in Appendix.
 FCC: USA, channel 1 ~ 11
 IC: Canada, channel 1 ~ 11
 ETSI: Europe, channel 1 ~ 13
 Spain: channel 10, 11
 France: channel 10 ~ 13
 MKK: channel 14
 MKK1: channel 1 ~ 14
 Israel
 TELEC
z Fragment Threshold
The threshold of fragment length. Higher threshold increase data transition performance
with good signal quality. Pool signal quality results more worst data throughput on high
fragment threshold.
z RTS Threshold
Request to send threshold. The request will not send out until the accumulated data over
threshold.