Sierra Wireless MC8355-L Multi-band Radio Module User Manual Installation Instructions

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Document ID	1433127
Application ID	ULSnLr73leDzsOxHoEM9wg==
Document Description	Installation Instructions
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Permanent Confidential	No
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Document Type	User Manual
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Date Submitted	2011-03-17 00:00:00
Date Available	2011-06-08 00:00:00
Creation Date	2011-01-21 20:35:42
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Document Title	Microsoft Word - MC8355 OEM Installation Guidelines in Portable use.doc
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Document Author:	tmurota

MC8355
TM
Module Installation and Collocation Guidelines
for Lenovo Portable Host Devices
Document Number : UY610-03-0066-20 Rev.1
January 21, 2011
FCC ID: N7NMC8355-L
IC: 2417C-MC8355
Model: MC8355TM
Sierra Wireless Incorporated
13811 Wireless Way
Richmond, BC, V6V 3A4
Canada
Revision Histry
Revision Number
Date
01/ 21/ 2011
Description
Initial release
1/8
- Index 1
INTRODUCTION ......................................................................................................................... 3
HOST INSTALLATION GUIDELINES ........................................................................................... 4
2.1
2.2
2.3
Label Requirements ............................................................................................................................................ 4
Portable Hosts (WLAN antenna to user separation distance <20cm) ................................................................. 4
End User Installation .......................................................................................................................................... 4
COLLOCATED INSTALLATION GUIDELINES............................................................................. 5
CLASS I PERMISSIVE CHANGE DOCUMENTATION REQUIREMENTS.................................... 6
INDIVIDUAL WLAN SAR EVALUATION ................................................................................. 7
SIMULTANEOUS RF EXPOSURE EVALUATION GUIDELINES FOR COLLOCATED
TRANSMITTERS ALLOWABLE THROUGH A CLASS I PERMISSIVE CHANGE ....................... 8
6.1
6.2
Portable Hosts: Sum of Total SAR < SAR Limit................................................................................................ 8
Portable Hosts Max Collocated SAR vs. Distance ............................................................................................. 8
2/8
MC8355TM Module Installation and Collocation Guidelines
for Lenovo Portable Host Devices
Introduction
This document provides module and antenna installation and collocation guidelines for
TM
Lenovo tablet computer model TP00019A to be authorized for use with the MC8355
module through a FCC/IC Class I Permissive Change process in accordance with the
Supplement Note to FCC KDB 616217.
The following installations for Portable host configurations are addressed in this
document.
TM
1) The MC8355gw module can be installed as a standalone transmitter in a
Portable notebook/netbook or Tablet (hereafter called Portable notebook) meeting
the following conditions:
Portable notebooks that meet the technical parameters are defined in Section 2
and Section 3. These parameters define the Portable notebook configuration
used as the baseline host to evaluate SAR. Alternatively, a more conservative
host approved through a Class II Permissive change can also be referenced as
the conservative baseline where new Portable notebooks with greater antenna
separation distance or lower SAR can be added through a Class I Permissive
change.
TM
2) Allow the host device collocated transmission with the MC8355 module approved
under FCC ID: N7NMC8355-L, IC: 2417C-MC8355 through a Class I permissive
change process. The collocated transmitters must meet the technical
requirements defined in Section 3.
3) Allow end-user installation provided module/notebook Two-Way Authentication has
been addressed so that modules can only be activated in approved notebooks.
Other configurations not specifically described in this document may be authorized in a
Class I permissive changes through coordination with Sierra Wireless Incorporated to
verify that all technical requirements defined in Supplement Note to FCC KDB 616217 or
other relevant FCC specifications are adequately addressed.
The installation and collocation guidelines are applicable only for Tablet computers where
WWAN and collocated antennas are located in the keyboard section or display portion of a
Tablet computer where SAR evaluation is completed with the proper antenna separation
distance to the keyboard or display antenna as defined in KDB 616217 and Section 4 of
KDB 447498.
Any collocated transmitter or antenna that does not meet the technical requirements
defined in this document requires a Class II permissive change to authorize simultaneous
transmission.
3/8
2 Host Installation Guidelines
This section defines host installation limitations for Portable notebooks. Supporting RF
exposure information is located in Section 4.
2.1 Label Requirements
The FCC and Industry Canada IDs must be permanently affixed on the exterior of the
Portable notebook or readily accessible under a panel or battery pack of the host device
that cannot be separated from the host device itself.
2.2 Portable Hosts (WLAN antenna to user separation distance <20cm)
TM
The MC8355 module can be installed for use in any authenticated Portable notebook
device with the WLAN antenna limitations defined in Table 1 in Section 3.
2.3 End User Installation
Two-way authentication documentation must be submitted as part of a Class II permissive
change allowing end-user installation into Portable notebooks that utilize the method of
authentication.
4/8
3 Collocated Installation Guidelines
TM
Collocated transmitters can be operated simultaneously with the MC8355
module,
provided the technical parameters listed in Table 1 are maintained and the information
specified in Section 4 is on file as part of a Class I permissive change. A Class II
permissive change is required if the host device does not meet the requirements specified
in Table 1 and in section 6.
Table 1 Host Device Limitations
Parameter
Device type
Display size
WWAN Antenna
locations
Tablet display
orientation
Exterior
Display
Material
WWAN
module
location
Maximum WWAN SAR
Minimum WWAN to
User Distance
Minimum Portable
Collocated Transmitter
SAR
RF Exposure
Justification
Requirement
Co-location Guide
sanction in this
document
Tablet
Any
Display
Secondary Landscape
orientation is disabled.
Any
Anywhere
1.290 mW/g (1g)
15 mm
0.310 mW/g (1gram)
Collocated Bluetooth
Transmitter
Distance to external
USB ports
> 5cm
P ≤ 60/f(GHz)
Antenna-to-antenna or
antenna-to-person
distance ≥ 5cm
Supplement to KDB
616217 D03 Section 4
Supplement to KDB
616217 D03 Section 4
Supplement to KDB
616217 D03 Section 4
KDB 447498 D01 Section
Section 5
Section 5
Section 6.1
KDB 616217 D01 Table-2
KDB 447498 D01 Section
Supplement to KDB
616217 D03 Section 2
Other devices may be approved as collocated transmitters, provided the technical requirements
of KDB 616217 are satisfied.
5/8
4 Class I Permissive Change Documentation Requirements
The following documentation must be kept on file to allow simultaneous transmission as
part of a Class I permissive change. A Class II permissive change is required if the
technical requirements of KDB 616217 cannot be met.
• List of all collocated transmitters with FCC and IC IDs
• Verification that all WWAN and WLAN antennas are >5cm from external USB,
PCMCIA or other notebook I/O ports that support an external plug-in transmitter.
• Drawings showing antenna locations and separation distances
• Antenna types with respective dimensions and far field antenna gains
• Specific module to antenna RF coaxial cable losses
• RF exposure analyses demonstrating compliance with Section 4) of KDB 616217 as
shown below
6/8
5
Individual WLAN SAR Evaluation
Portable RF exposure evaluation has been completed based on SAR measurements on the
Portable notebook computer (Lenovo Model: TP00019A) that provided 1.5 cm of separation
distance between the WWAN antenna and the end user as illustrated in Figure 1. The
measured 1-g SAR for the WWAN configuration was 1.290 mW/g (1g) as reported in the
Class II Permissive Change application.
New Portable notebooks with greater antenna separation distance or lower SAR can be
added through a Class I Permissive change.
Figure 1 Antenna Locations
Tablet Lap held mode
23.6mm
SAR probe
Secondary Portrait mode
Secondary Landscape mode
WWAN Rx
WWAN Tx
WWAN
Tx
WWAN
Rx
15mm
WWAN transmission is not supported at Secondary
Landscape screen mode.
7/8
SAR probe
6
Simultaneous RF Exposure Evaluation Guidelines For
Collocated Transmitters Allowable through a Class I Permissive
change
6.1 Portable Hosts: Sum of Total SAR < SAR Limit
TM
A portable collocated transmitter can be operated simultaneously with the MC8355
WWAN transmitter provided the individual SAR results for the portable collocated
transmitter are less than the value specified below based on Section 4)a) of the
Supplement to KDB 616217. The maximum individual SAR value is calculated based on
the WWAN 1-g SAR of 1.290 mW/g.
SARWWAN
1.6
SARc o l l o c a t e d
1.6
< 1
SARc o l l o c a t e d
< 1.6 - SARWWAN
SARc o l l o c a t e d
< 1.6 – 1.290
SARc o l l o c a t e d
< 0.310 mW/g
6.2 Portable Hosts Max Collocated SAR vs. Distance
If the summation of SAR exceeds the FCC limit, collocation is permitted through a Class I
permissive change provided the minimum allowable separation distance derived from the
equation below is satisfied. An alternate equation provides the maximum collocated SAR
based on a specified separation distance as defined in section 4. b) ii) of the Supplemental
note of KDB 616217.
5x(
SARWWAN +
1.6
SARc o l l o c a t e d )1.5 < antenna-to-antenna distance (cm)
1.6
2/3
SARc o l l o c a t e d = 1.6 x ( antenna-to-antenna distance )
- SARWWAN
8/8

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