CH8MXX50Wireless Broadband Wi-Fi Router

Page 1 of 1 RP-7438 12 East Devonwood SOLVING A WAVE OF EMI COMPLIANCE PROBLEMS Romeoville, IL 60446 January 21, 2013 Tel: (815) 293-0772 Page 1 of 1 Fax: (815) 293-0820 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd. Columbia, MD 21046 Reference FCC ID: CH8MXX50 Organization: Westell. 1. Long Term Confidentiality Westell requests that the following materials be withheld from public inspection permanently under 47 C.F.R. 0.457 & 0.459: (1) Detailed Circuit Schematics of the EUT (2) Block Diagrams The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. They are considered confidential trade secrets. Authorized Signature Joseph Strzelecki Senior EMC Engineer Radiometrics Midwest Corporation Authorized Agent for Westell.

Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 External EUT Photographs Top of Gateway Modem Case with power supply connected Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Rear of Gateway Modem Case Side of Gateway Modem case Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Power Supply: Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772

Radiometrics Midwest Corporation (815) 293-0772 FCC Label and Description FCC ID Label Radiometrics Midwest Corporation (815) 293-0772 1. The label has a permanent adhesive. 2. The material is polyester. 3. The label will be placed on the bottom of the case in the center. 4. the size is 7.6 x 2.6 cm Placement of label

Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Internal EUT Photographs Photograph of RF Board Component Side Photograph of RF Board Foil Side Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Foil Side of Main PCB Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Foil Side of Main PCB Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Component Side of Main PCB Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Main PC board showing connection to antennas

Radiometrics Midwest Corporation (815) 293-0772 Operational Description 1 FCC 15.203 ANTENNA REQUIREMENTS The antenna uses a reverse polarity SMA connector that is not readily available to the public. Therefore, it meets the 15.203 Requirement. The approved antenna for this device is a Westell part number 002-000059 which covers the following two Wieson part numbers: Y111E024-002 and GY111E024-002. 2 GENERAL DESCRIPTION The EUT is a router with an 802.11b/g/n radio, comprising a MAC/Baseband Processor, ADC/DAC, 2x2 MIMO radio transceiver and antenna connectors that can be inserted into a type IIIb PCI connector to provide 802.11b/g/n compliant wireless access to an Access Point, Router, or PC.

Radiometrics Midwest Corporation (815) 293-0772 – www.radiomet.com Page 1 of 54 Electromagnetic Compatibility Test Report Tests Performed on a Westell Ultraline Router, Model A90-9150V60-10 Radiometrics Document RP-7438 Product Detail: FCC ID: CH8MXX50 Equipment type: Digital Transmission System Test Standards: US CFR Title 47, Chapter I, FCC Part 15 Subpart C FCC Part 15 CFR Title 47: 2012 This report concerns: Certification for Original Grant FCC Part 15.247 Tests Performed For: Test Facility: Westell 750 N. Commons Dr. Aurora, IL 60504 Radiometrics Midwest Corporation 12 East Devonwood Romeoville, IL 60446 Test Date(s): (Month-Day-Year) December 5, 6 and 10, 2012 and January 17 thru 24, 2013 Document RP-7438 Revisions: Rev. Issue Date Affected Sections Revised By 0 December 20, 2012 1 January 18, 2013 All Joseph Strzelecki 2 January 24, 2013 Cover, 10.3, 10.4, 10.5, 10.6, 10.7 Joseph Strzelecki 3 January 24, 2013 5, 9, 10.5 Joseph Strzelecki 4 January 24, 2013 Cover, 4.2 Joseph Strzelecki RADIOMETRICS MIDWEST CORPORATION - EMC Test Report Testing of the Westell, Model A90-9150V60-10, UltraLine Router RP-7438 Rev. 4 Page 2 of 54 Table of Contents 1 ADMINISTRATIVE DATA.................................................................................................................... 3 2 TEST SUMMARY AND RESULTS......................................................................................................3 2.1 RF Exposure Compliance Requirements ..................................................................................... 3 3 EQUIPMENT UNDER TEST (EUT) DETAILS..................................................................................... 4 3.1 EUT Description............................................................................................................................ 4 3.1.1 FCC Section 15.203 Antenna Requirements ......................................................................... 4 3.2 Related Submittals........................................................................................................................ 4 4 TESTED SYSTEM DETAILS .............................................................................................................. 4 4.1 Tested System Configuration ....................................................................................................... 4 4.2 EUT Operating Modes .................................................................................................................. 5 4.3 Special Accessories...................................................................................................................... 5 4.4 Equipment Modifications............................................................................................................... 5 5 TEST SPECIFICATIONS AND RELATED DOCUMENTS .................................................................. 5 6 RADIOMETRICS’ TEST FACILITIES.................................................................................................. 6 7 DEVIATIONS AND EXCLUSIONS FROM THE TEST SPECIFICATIONS ......................................... 6 8 CERTIFICATION ................................................................................................................................. 6 9 TEST EQUIPMENT TABLE ................................................................................................................ 7 10 TEST SECTIONS .............................................................................................................................. 7 10.1 AC Conducted Emissions ........................................................................................................... 7 10.2 Occupied Bandwidth Data ........................................................................................................ 10 10.3 Peak Output Power................................................................................................................... 20 10.3.1 Average Output Power ....................................................................................................... 21 10.4 Power Spectral Density ............................................................................................................ 22 10.5 Band-edge Compliance of RF Conducted Emissions............................................................... 22 10.6 Spurious RF Conducted Emissions .......................................................................................... 29 10.6.1 Direct Coaxial Measurements (1 MHz to 2.5 GHz) ............................................................ 29 10.6.2 Spurious RF Emissions; Radiated Method (2.5 - 25 GHz)................................................. 47 10.7 Spurious Radiated Emissions Test Results .............................................................................. 49 10.7.1 Emissions Above 2 GHz..................................................................................................... 50 10.7.2 Radiated Emissions ........................................................................................................... 52 Notice: This report must not be reproduced (except in full) without the written approval of Radiometrics Midwest Corporation. RADIOMETRICS MIDWEST CORPORATION - EMC Test Report Testing of the Westell, Model A90-9150V60-10, UltraLine Router RP-7438 Rev. 4 Page 3 of 54 1 ADMINISTRATIVE DATA Equipment Under Test: A Westell, Ultraline Router Model: A90-9150V60-10 Serial Number: 12AK098313352 This will be referred to as the EUT in this Report Date EUT Received at Radiometrics: (Month-Day-Year) Test Date(s): (Month-Day-Year) December 5, 2013 December 5, 6 and 10, 2012 and January 17 thru 24, 2013 Test Report Written By: Test Witnessed By: Joseph Strzelecki Senior EMC Engineer Greg Bella Westell Radiometrics’ Personnel Responsible for Test: Test Report Approved By Joseph Strzelecki Senior EMC Engineer NARTE EMC-000877-NE Chris W. Carlson Directo…

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Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Test Setup Photographs Photographs of Radiated Emissions Test Setup Westell Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Westell Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Photograph of Conducted Emissions Test Setup Westell Authorized Agent: Radiometrics Midwest Corporation (815) 293-0772 Photograph of Antenna Conducted Emissions Test Setup