AmbiCom WL1100B-AP Anleitung zur Fehlerbehebung PDF herunterladen (Seite 61)

Connecting to GSM Networks

• GSM Connect — Internet

: Provides an Cingular private IP address and

does allow unrequested data to pass from the Internet to the mobile

user. Additional charges may apply.

Accelerated Profiles

Accelerated connections utilize in-network acceleration/compression

technology to provide a faster connection experience.

Data acceleration can result in reduced graphics quality. If you are

using your accelerated profile and wish to reload a given web page

with full quality graphics, do the following:

• Microsoft Internet Explorer users can press CTRL + F5 (or

hold CTRL while clicking the RELOAD button on the

browser).

• Netscape users can press SHIFT + Reload.

If you experience difficulty with your connection while using an

accelerated profile, disconnect and try connecting with the

unaccelerated profile.

For more information on connection profiles, please see Network Profiles.

About GSM signal strength

The signal strength of a GSM network is expressed in the main GSM user

interface as both a series of bars and as a numerical value (in dBm). A lower

numerical value means “better signal”. For example:

• -60 dBm is an exceptionally strong signal

• -70 dBm is quite good

•

-80 dBm is satisfactory

• -90 dBm is a weaker signal with reduced throughput

•

-100 dBm is a borderline unusable signal level

• -113 dBm indicates a "no signal" condition

Cellular data is a line of sight technology. Obstructions between the cell

tower and you “attenuate”, or weaken, the signal strength. Often signal

strength can be improved by moving slightly, approaching the windows of

a building, or laying the antenna down flat away from the laptop LCD.

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AmbiCom WL1100B-AP Anleitung zur Fehlerbehebung Seite 61