AC4490 Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/ramp
2
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R
EVISION
H
ISTORY
Versio
n
Date
Description
Approved By
4.2
16 Dec
2013
Separated into two separate docs (Hardware Integration Guide
and User Guide). Information in this document was originally part
of the User Guide.
Added a Related Documents section.
Note: Starting at Rev 4.2 to match the current User Guide.
Sue White
4.3
09 Apr
2014
Updated Serial Interface information to:
Serial Interface and
Digital I/O
3.3V TTL only, all part numbers
UART baud rates from
1200 bps to 115,200 bps
Chris Downey
4.4
28 Apr
2014
Updated Serial Interface information to:
Serial Interface and I/O
3.3V TTL
UART baud rates from
1200 bps to 115,200 bps
Chris Downey
4.5
4 Aug
2014
Added
Chris Downey
4.6
18 May
2017
Removed references to EOL part numbers
Jonathan Kaye
FCC Notice
WARNING: This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference and (2) This device must accept
any interference received, including interference that may cause undesired operation.
RF Exposure/Installation Instructions
WARNING: To satisfy FCC RF exposure requirements for mobile transmitting devices, this equipment
must be professionally installed such that the end user is prevented from replacing the antenna with
a non-approved antenna. The end user should also be prevented from being within 20cm of the
antenna during normal use with the exception of hands, feet, wrists and ankles.
The preceding statement must be included as a CAUTION statement in manuals for OEM products to
alert users on FCC RF Exposure compliance.
Caution: Any change or modification not expressly approved by Laird could void the user’s authority to
operate the equipment.
