Sierra Wireless 555 User Manual

Introducing the AirCard® 555 Wireless Network Card

Rev 3.5  Feb.05

11

through the Internet, or access other Internet services (such 
as e-mail).
The connection is “active” in a 1X connection when data 
transmission is occurring. If data transmission stops for a 
period of time (determined by the network), the connec-
tion becomes “

”. You can place and receive voice 

calls while the data connection is 

 but not when it 

is active.

Circuit switched (dial-up) data, using the earlier 

 specification, supports data connections to any dial-

in service at rates up to 14.4

. Circuit switched data 

capability also supports G3 facsimile (Fax Class 2.0), see 

QNC (Quick Net Connect), provides a simplified way to 
dial into an Internet connection (using circuit switched 
data) where 1X high-speed 

 service is not available.

(Short Message Service), allows you to send and 

receive short text messages using the AirCard.

Voice calling, including 

 (Phase I) support for 

emergency services.

Beyond the features of the 

 network, the AirCard 

provides additional software features:

PIN security code to protect your AirCard and account 
from unauthorized use.

An Activation Wizard (

) to assist with configuring 

your CDMA accounts. The AirCard supports two 
accounts.

A Phone Book to manage your contacts on notebooks. On 
handhelds, Watcher has direct access to your Windows CE 
Contacts application.

Sound options to customize ringtones for incoming calls,  
SMS messages, and voice mail alerts.

A Scratch Pad to enter quick notes and phone numbers.

A Call Log to track incoming, outgoing, missed calls and 
determine the amount of data transferred.

Ability to manage and monitor connections with a 

network adapter (notebooks only).