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Instruction Manual
748467-A
January 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-19
Model MicroCEM
1-11 WIRELESS LAN ADAPTER
Wireless LAN adapter is an option to allow the user to remove the Pocket PC from the enclosure and to
operate the MicroCEM from a distance up to 1000 feet. Figure 1-14 depicts the wireless LAN adapter.
Figure 1-14. Wireless LAN Adapter
a. Specifications
Data Rate ...................................... 11 Mbps send/receive with automatic fallback for extended range
Useful Range................................. Up to 1000 feet (300 meters) open field; 300 feet (90 meters) typi-
cal indoor installations (intervening metal and thick concrete struc-
tures degrade performance and range)
Security.......................................... Supports Wired Equivalent Privacy (WEP) which provides 64-bit
and 128-bit data encryption; additional security through the use of a
32-character network system ID
Standard Support .......................... Interoperable with 2 Mbps IEEE 802.11 Direct Sequence Spread
Spectrum (DSSS) and 802.11b (11 and 5.5 Mbps) extension
OS Support.................................... NDIS drivers included for Windows 95, 98, ME and NT and 2000
Channels ....................................... Supports 11 US/Canada and 13 ETSI selectable, fully-independent
channels
Transmit Power ............................. 25mW typical
Radio Frequency........................... 2.4 to 2.4835 GHz
Power Requirement....................... PC Card: 5 VDC @ 217 mA average with 338 mA maximum on
transmit; 215 mA continuous receive, 17 mA standby
PCI: 5VDC @ 247 mA average with 368 mA maximum on transmit;
245 mA continuous receive, 47 mA standby
Status lights................................... 1 (Reports: Link, Power)
Regulatory Approval...................... US - FCC part 15B and 15C, IC RSS-210
ETSI - FCC part 15B, CE, ETS 300 328, ETS 300 826, C-Tick
(Australia)
Physical Specification.................... PC Card: PCMCIA Type II PC Card
PCI: 32-bit, 5V Key, Full Plug-N-Play
Antenna(s)..................................... Integrated: Printed dual diversity
External: 2.2dBi dipole; additional options for specific installation
needs