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Communication Cards
Dell Studio™ 1557/1558 Service Manual
Subscriber Identity Module
Wireless Mini-Cards
WARNING:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on the back of the computer).
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION:
To help prevent damage to the system board, remove the main battery (see
inside the computer.
Subscriber Identity Module
Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.
Installing the SIM
1. Follow the instructions in
Before You
2. In the battery bay, slide the SIM into the compartment.
1
SIM
2
Removing the SIM
Press the SIM into the slot to release it. When it is partially ejected, remove the SIM from the battery bay.
Wireless Mini-Cards
NOTE:
Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.
Your computer supports three Mini-Card slots:
Two full Mini-Card slots — for WWAN, WPAN, UWB, and Bluetooth
l
One half Mini-Card slot — for WLAN
l
NOTE:
Depending on the configuration of your system, one or more of the Mini-Cards might not be present.
The types of Mini-Cards supported are:
Wireless Local Area Network (WLAN) — Half Mini-Card
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Ultra Wide Band (UWB) — Full Mini-Card
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Mobile broadband or Wireless Wide Area Network (WWAN) — Full Mini-Card
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Wireless Personal Area Network (WPAN) or Internal Card with Bluetooth Wireless Technology — Full Mini-Card
l
Begin.
battery bay
Before Working Inside Your
®
Computer) before working
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