TWV-FLEXSIWIRELESS FLEX TRANSMITTER

FLEX SI USERS MANUAL Draft FLEX SI User Manual 2 Draft FLEX SI User Manual 3 Contents Revision History ............................................................................................................................................ 5 Introduction .................................................................................................................................................. 6 Hardware .................................................................................................................................................. 6 Enclosure ............................................................................................................................................... 6 Sensor Modules .................................................................................................................................... 6 Batteries ................................................................................................................................................ 6 Firmware ................................................................................................................................................... 6 Wireless Communication .......................................................................................................................... 7 Installation .................................................................................................................................................... 7 Factory Configuration ................................................................................................................................... 7 Addendum .................................................................................................................................................... 8 Certifications ............................................................................................................................................. 8 FCC ........................................................................................................................................................ 8 Canadian Compliance (Industry Canada) .............................................................................................. 9 R&TTE 1558 ........................................................................................................................................ 10 Installation Requirements ....................................................................................................................... 10 Mechanical Drawings .............................................................................................................................. 11 Revision History ............................................................................................................................................ 4 Introduction .................................................................................................................................................. 5 Hardware .................................................................................................................................................. 5 Enclosure ............................................................................................................................................... 5 Sensor Modules .................................................................................................................................... 5 Batteries ................................................................................................................................................ 5 Firmware ................................................................................................................................................... 5 Wireless Communication .......................................................................................................................... 6 Installation .................................................................................................................................................... 6 Factory Configuration ................................................................................................................................... 6 Addendum .................................................................................................................................................... 7 Certifications ............................................................................................................................................. 7 Draft FLEX SI User Manual 4 FCC ........................................................................................................................................................ 7 Canadian Compliance (Industry Canada) .............................................................................................. 8 R&TTE 1558 .......................................................................................................................................... 9 Installation Requirements ......................................................................................................................... 9 Mechanical Drawings .............................................................................................................................. 10 Draft FLEX SI User Manual 5 Revision History Version Author Date Comments Initial Draft TL 2012‐01‐12 Initial Draft Draft 2 TL 2012‐01‐13 Added certifications, mechanical drawings, and description of sensor module connector Draft 3 DW/EJ/TL 2012‐01‐20 Updated CE, added clarity, formatting changes Draft FLEX SI User Manual 6 Introduction The FLEX SI (Sensor Interface) is a highly adaptable wireless sensor interface for use with the FLEX satellite based asset tracker. The FLEX SI is capable of supporting various combinations of analog, digital, and intelligent Sensor Modules. Examples of Sensor Modules include: t…

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Confidentiality Request January 20, 2012 Timco Engineering PO Box 370 Newberry, FL 32669 RE : FCC ID: TWV- FLEXSI Dear Applications Examiner: With regards to the exhibits submitted in support of the application for FCC ID: TWV-FLEXSI, please classify the following as confidential under the provision of 47 CFR 0.459: -Schematics (file name 11-0278.Numerex.FLEXSI.Confidential Schematics.pdf -Block diagram (file name 11-0278.Numerex.FLEXSI.Confidential Block Diagram.pdf) -Theory of Operation (file name 11-0278.Numerex.FLEXSI.Confidential Theory of Operation.pdf) These exhibits contain technical information that Numerex Corp. deems to be sensitive and proprietary. Therefore this information cannot be published. If this information were to be made public it could be used to the disadvantage of the applicant in the marketplace. Sincerely, Sandi McEnery US Tech (Authorized Agent for Numerex Corp.) 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com

FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 1 of 5 Photograph 1 – EUT Front FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 2 of 5 Photograph 2 – EUT side 1 FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 3 of 5 Photograph 3 – EUT side 2 FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 4 of 5 Photograph 4 – EUT bottom FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 5 of 5 Photograph 5 – EUT Top

FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Corp. Page 1 of 2 EUT LABEL LOCATION (Sample Label on Page Following) Label Goes Here Model: FLEX SI

FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Page 1 of 4 Photo 1 – EUT with cover removed FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Page 2 of 4 Photo 2 - EUT with battery cover removed and USB pigtail disconnected FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Page 3 of 4 Photo 3 - Component side PCB FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEX SI Customer: Numerex Page 4 of 4 Photo 4 - Solder side of PCB

Page 1 of 25 Application for US Code Title 47, Part 2, Subpart J, Section 2.947, Certification Per Part 15, Subpart C, for Intentional Radiators, Section 15.249, Intentional Radiator Operating within the Band 902 MHz to 928 MHz And US Code Title 47, Part 2, Subpart J, Section 2.902, Verification Per Part 15, Subpart B, for Unintentional Radiators, section 15.101, 15.107 and 15.109 For the Model: Flex SI Manufactured by Numerex UST Project: 11-0278 Test Date(s): December 19, 2011 Issue Date: January 10, 2012 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com Page 2 of 25 I certify that I am authorized to sign for the test facility and that all of the statements in this report and in the Exhibits attached hereto are true and correct to the best of my knowledge and belief: US TECH (Agent Responsible For Test): By: Name: Alan Ghasiani Title: Consulting Engineer - President Date: January 10, 2012 This report shall not be reproduced except in full. This. The results contained in this report are subject to the adequacy and representative character of the sample provided. US Tech NVLAP accreditation does not allow product endorsement by NVLAP or any agency of the U.S. Government. 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com FCC ID: TWV-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 10, 2012 Model(s): Flex SI Customer: Numerex Page 3 of 25 MEASUREMENT/TECHNICAL REPORT COMPANY NAME: Numerex MODEL(S): Flex SI FCC ID: TWV-FLEXSI IC: 6322A-FLEXSI DATE: January 10, 2012 This report concerns (check one): Original grant X Class II change_____ Equipment type: Intentional Radiator Operating within the bands 906 MHz Deferred grant requested per 47 CFR 0.457(d) (1) (ii)? yes_____ No X If yes, defer until:_________________ date N.A. agrees to notify the Commission by N.A. date of the intended date of announcement of the product so that the grant can be issued on that date. Report prepared by: US Tech 3505 Francis Circle Alpharetta, GA 30004 Phone Number: (770) 740-0717 Fax Number: (770) 740-1508 FCC ID: TWV-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 10, 2012 Model(s): Flex SI Customer: Numerex Page 4 of 25 SUMMARY OF TEST REQUIREMENTS FCC Requirement Title Disposition 15.205 Restricted Bands Pass 15.207 Intentional Radiator Power Line Conducted Pass Emissions 15.209 Intentional Radiator Radiated Emissions Pass 15.249(a) Fundamental Field Strength Pass 15.107 Unintentional Radiator Power Line Conducted Pass Emissions 15.109 Unintentional Radiator Radiated Emissions Pass N/A = Not applicable for this unit. FCC ID: TWV-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 10, 2012 Model(s): Flex SI Customer: Numerex Page 5 of 25 Table of Contents 1 General Information ........................................................................................ 7 1.1 Purpose of this Report .............................................................................. 7 1.2 Product Description ................................................................................... 7 1.3 Related Submittal(s)/Grant(s) ................................................................... 7 2 Tests and Measurements ............................................................................... 8 2.1 Configuration of Tested System ................................................................ 8 2.2 EUT Characterization ................................................................................ 9 2.3 Test Facility ............................................................................................... 9 2.4 Test Equipment ......................................................................................... 9 2.5 Modifications to EUT ............................................................................... 10 2.6 Measurement Standards (CFR 15.31) .................................................... 11 2.7 Frequency Range of Radiated Measurements (CFR 15.33) ................... 11 2.7.1 Frequency Range for Intentional Radiators ................................................. 11 2.7.2 Frequency Range for Unintentional Radiators (CFR 15.33(b)(1)) ............... 11 2.7.3 Measurement Detector Function and Bandwidth (CFR 15.35) .................... 11 2.8 Antenna Requirement (CFR 15.203) ...................................................... 13 2.9 Intentional Radiator, Power Line Conducted Emissions (CFR 15.207) ... 14 2.10 Intentional Radiator, Radiated Emissions (CFR 15.249 (a), (e)) ............. 15 2.11 Restricted Bands of Operation (CFR 15.205) ......................................... 15 2.12 20 dB Bandwidth Measurement & Channel Spacing per CFR 15.249, 99% Occupied Bandwidth (IC RSS 210, A8.1) ................................................ 16 2.12.1 20 dB Bandwidth Measurements ............................................................. 16 2.13 Band Edge Measurements (CFR15.249(d)) ............................................ 19 2.13.1 High Band Edge ....................................................................................... 20 2.13.2 Low Band Edge ........................................................................................ 21 2.14 Unintentional Radiator, Power Conducted Emissions (CFR 15.107) ...... 22 2.15 Unintentional Radiator, Radiated Emissions (CFR 15.109/15.209) ........ 24 2.16 Measurement Uncertainty ....................................................................... 25 2.16.1 Conducted Emissions Measurement Uncertainty: ................................... 25 2.16.2 Radiated Emissions Measurement Uncertainty: ...................................... 25 FCC ID: TWV-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 10, 2012 Model(s): Flex SI Customer: Numerex Page 6 of 25 List of Tables Table 1. EUT and Peripherals .............................................................................. 9 Table 2. Test Instrume…

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FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEXSI Customer: Numerex Page 1 of 5 Test Configuration Photo – Radiated Emissions FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEXSI Customer: Numerex Page 2 of 5 Test Configuration Photo – Radiated Emissions Below 1 GHz FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEXSI Customer: Numerex Page 3 of 5 Test Configuration Photo – Radiated Emissions Above 1 GHz FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEXSI Customer: Numerex Page 4 of 5 Test Configuration Photo – Conducted Emissions FCC ID: TVW-FLEXSI IC: 6322A-FLEXSI UST Project No.: 11-0278 Date: January 20, 2012 Model: FLEXSI Customer: Numerex Page 5 of 5 Test Configuration Photo – Conducted Emissions Note: Loop antenna configured and checked in 3 positions the position shown above represents the worst case configuration for the Loop antenna measurements.