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Chapter 2 Features 19
Express card slot (optional)
The Express card slot holds one Express card for networking, memory expansion, or
accessories.
• To insert an Express card, remove the card slot cover and place the Express card in the
slot with the label side up.
• To remove the card, pull the card out of the slot and replace the card slot cover.
The J3400 includes a cover for the Express card slot. To protect the Express card slot, you
should leave the cover in place when you do not have an Express card in the slot.
For information about using the Express card reader, see “Using the Express card reader
(optional)” on page 32.
SIM slot
The SIM slot holds one SIM (Subscriber Identity Module). A SIM is a smart card, about the
size of a postage stamp, that stores information about your wireless account.
You need to use a SIM only if you are using Mobile Broadband on an HSDPA (High Speed
Downlink Packet Access) network. Contact your service provider for details.
For information about removing and replacing the SIM, see “Removing and replacing the
SIM” on page 44.
Wi-Fi (802.11a/g/n wireless)
Your Tablet PC has integrated Wi-Fi (802.11a/g/n) that you can use to connect to the
Internet and other computers wirelessly. You can use Wi-Fi in your home, and in many
schools, hotels, airports, and restaurants.
Note: Wireless access requires an 802.11a, 802.11g, or 802.11n access point. Internet access
requires a working Internet connection.
Your ability to use Wi-Fi depends on the several conditions:
• Distance from the access point.
• Ability to connect to the access point.
• Access rights (which may require an account fee, user name, password, an/or network
set up through an administrator).
• Security settings, such as whether the network broadcasts a network name or uses
encryption.
For more information, see “Using Wi-Fi (802.11a/g/n)” on page 54.