Mobility Electronics NP644 - Manual (Page 20)

20 NP644 IEEE 802.11g Wireless Network USB Adaptor
YML787 Rev1
Field Description
Preamble: Select Long Preamble or Short & Long Preamble type. Leave as
default unless advised otherwise by your Network Administrator.
Support Band: There are three functions for you to select, including 11B, 11G and
eXtended Range. The default setting is 11B, 11G and eXtended
Range enabled, which is interoperable with both 11B and 11G
devices, and provides a connectivity range of 500m.
Note: You must select at least 11B or 11G to support your wireless
connection.