177
4. Expand Advanced Setup.
Figure 176 Radio setup (advanced setup)
5. Configure the radio as described in Table 68.
6. Click Apply.
Table 68 Configuration items
Item Descri
tion
Preamble
Preamble is a pattern of bits at the beginning of a frame so that the receiver
can sync up and be ready for the real data. There are two different kinds of
preambles:
• Short preamble. A short preamble improves network performance.
Therefore, this option is always selected.
• Long preamble. A long preamble ensures compatibility between access
point and some legacy client devices. Therefore, you can select this option
to make legacy client devices support short preamble.
802.11a/802.11n (5 GHz) does not support this configuration.
Transmit Distance Maximum transmission distance.
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