HP Pro Tablet 608 G1 Maintenance And Service Manual page 11

Component
(14) ZIF (Zero Insertion Force) expansion slot
*The antennas are not visible from the outside of the tablet. For optimal transmission, keep the areas immediately around the
antennas free from obstructions. For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices
that applies to your country or region.
Description
Allows you to connect accessories such as a keyboard or power
supply using the POGO pin connector.
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