User's Manual
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User Guide for WhereTag IV Module D1587 Rev 01
©2010 Zebra Enterprise Solutions. WhereTag IV and all product names and numbers are Zebra Enterprise Solutions trademarks. All other trademarks are the property of their respective owners.
Figure 1 ZES Real Time Locating System Block Diagram
Tags with
WhereTag IV
Module
VSS Server
VSS
Database
1-Way 2.4 GHz ISO24730 or 802.11b/g
(Range = 400 ft indoors or 3000 ft
outdoors)
WherePort
1-Way 115 kHz FSK
(Range = 25 ft)
WhereWand
Hand-held
Computer with
Laser Barcode
Reader
115 kHz
FSK
2.4 GHz
OOK
(Range = 3 ft)
1-Way 2.4
GHz
ISO24730
WhereLan
WhereLan
WhereLan
WhereLan
Corporate LAN
Wired
Ethernet or
Wireless
802.11 Link
Wired
Ethernet or
Wireless
802.11 Link
1-Way 2.4 GHz ISO24730 or 802.11b/g
(Range = 400 ft indoors or 3000 ft
outdoors)
1.3 WhereLan Location Sensor (LOS) and Location Access Point (LAP)
The Location Sensor and Locating Access Point receive the tag transmissions and forwards the
information to the ZES Visibility Server Software which performs locations calculations, database
functions and systems management. The Location Sensors and Locating Access Points
communicate with each other and the Visibility Server Software via standard wired Ethernet cables
or an 802.11b-compliant wireless LAN. Utilizing sophisticated DSP technology, the LOS and LAP