UID-WRMTM5WIRELESS ROUTER MODULE

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM Installation Guide 站別／站數 作業人數 安全防護 文件版本 發行日期 擬案 機構會簽 製造組長會簽 核准 Station NO. Person Safety Protection Doc. Rev. Issue Date Prepared Approved2 Approved2 Approved1 2/12 1 wear ESD gloves and wrist strap,button slevees REV02 2006/9/6 Laurie Wang 數量 Q T 22 TM552 WRM INSTALLATION GUIDE WORKING INSTRUCTION 組裝段 作業名稱 : 鎖主板 主件料號 :80-BETNGN-00P 機種別/版本 文件編號 MODEL NAME/REV. Doc. NO. TM552 WRM M3-701-C06VPA023 料號 Part NO. 品名 Descriptio n 耗材 ( 品名 / 料號 / 規格 ) Consumers 治工具(品名/料號/規格) Fixture &Tool s 13GMAPXD050W screw Assembly fixture 13GB4710M510-1 metal stand off Hex driver (Torque:2.8, 0.2kg.f*cm, #5 driver head ) 1.Confirm 5M checklist before assembly: 5M(manpower,machine,mat erial,method,measurement), any abnormal, please inform the line leader. 2.Take two screws and check if any damages on the them. If not , put the two screws onto the fixture with screw head down. (Ph oto 1) 3.Put the motherboard on the fixture. Let two screws on the fi xture already go through the through holes of the motherboard. (Photo 2) Photo 1 Put the 2 screws with screw head down on the fixture Photo 2 4.Take two metal stand offs and make sure there is no damage on them. If so, put the metal stand offs onto the two screws and use hex driver to fasten the m. (Photo 3) 5. Confirm 5S checklist after operate,any abnormal inform line leader. photo 3 站別／站數 作業人數 安全防護 文件版本 發行日期 擬案 機構會簽 製造組長會簽 核准 Station NO. Person Safety Protection Doc. Rev. Issue Date Prepared Approved2 Approved2 Approved1 3/12 1 wear ESD gloves and wrist stra p, button slevees REV02 2006/9/6 Laurie Wang 數量 Q T 1 工作指導書 WORKING INSTRUCTION 組裝段 作業名稱 : 組裝网卡 & 主板 主件料號 :80-BETNGN-00P 機種別/版本 文件編號 MODEL NAME/REV. Doc. NO. TM552 WRM M3-701-C06VPA023 料號 Part NO. 品名 Descriptio n 耗材 ( 品名 / 料號 / 規格 ) Consumers 治工具(品名/料號/規格) Fixture &Tool s 13GB4710P560-1 plastic stand off 1.Confirm 5M checklist before assembly: 5M (manpower, machine, material, method, measurement), if any abnormal, please inform the line leader. 2. Take WRM and check whether any missing or scratch on the WRM to make sure the pins of LAN JACK, antenna connecter & reset b utton are good. Also make sure that solder side is not scrathced or the WRM FW and S/N label is legible, if anything defect, just p ut it into defect box.3.Take 1 plastic stand off and inspect it to make sure no bendi ng and no scratched. And then, fasten the small foot of the pl astic stand off to the bottom side of WRM (Photo 1) 4.Get the WRM and carefully aim at the 2x 12 pin holes to the p in header (location on P601) on the mother board and then plug the pins into the holes. 7. Check whether the plastic stand was opposite after inserting .Check method: (1)VI the size of plastic stand's two ends (2)Whether end is loose when plastic stand off is pluged to WRM and to mother board, it shows it's plugged upside down. Plug the plastic stand off in Photo 4 Photo 3 Small foot 2 x 12 Pin header (P601) 2x 12 pin holes on WRM Photo 2 5. Click the other end of plastic stand off to the through hole near RJ-11 on the mother board (photo 3).6. Align the PTH of the WRM with the two metal stand offs.(Phot o 4) Photo 1 站別／站數 作業人數 安全防護 文件版本 發行日期 擬案 機構會簽 製造組長會簽 核准 Station NO. Person Safety Protection Doc. Rev. Issue Date Prepared Approved2 Approved2 Approved1 4/12 1 wear ESD gloves and wrist stra p, button slevees REV02 2006/9/6 Laurie Wang 數量 Q T 21 工作指導書 WORKING INSTRUCTION 組裝段 作業名稱 : 鎖网卡 & 主板 主件料號 :80-BETNGN-00P 機種別/版本 文件編號 MODEL NAME/REV. Doc. NO. TM552 WRM M3-701-C06VPA023 料號 Part NO. 品名 Descriptio n 耗材 ( 品名 / 料號 / 規格 ) Consumers 治工具(品名/料號/規格) Fixture &Tool s 13GMAPXD050W screw assembly fixture 04G030002100 WRM electric screw driver (torque:2.8 0.2k g .f*cm , #1 screw driver head ) 1.Confirm 5M checklist before assembly: 5M (manpower, machine, material, method, measurement), if any abnormal, please inform the line leader. 2.Take the assembled WRM and mother board from the production l ine,check whether the plastic stand off is clipped good, the 2x 12 pins are plugged good (all the pins need to go through the holes.) (Phot o 1) 3.Get two screws and put them to the PTH of the WRM. Use elect ric screw driver to fasten the screws. (Photo 2) 4.Modify the torgue value of electric screw driver before opera ting. 5.Put the locked board on the production line.6.Confirm 5S checklist after operate,any abnormal inform line l eader. 圖二 Photo 1 Photo 2 fasten screws on NOTICE TO USERFCC Class B: “NOTE: This equipment has been tested and found to comply wit h the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interferenc e will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receivin g antenna. Increase the separation between the equipment and receiver . Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.” Warning: Changes or modifications to this device not expressly approved by ARRIS International, Inc. could void the user’s authorit y to operate the equipment. RF Exposure In accordance with FCC req…

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Federal Communications Commission Date: 9/5/06 Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: ARRIS International, Inc. respectfully requests confidentiality of certain materials provided with the submission of the TM552 WRM under FCC ID: UID-WRMTM5 in accordance with FCC Regulations 0.459. The confidentiality request applies to the (1) schematic diagrams, (2) detailed block diagrams, (3) detailed operational descriptions, and (4) parts lists (06-0200 – Schematics.pdf, 06-0200 – System Block Diagram.pdf, 06-0200 – Theory of Operation.pdf, and 06-0200 – Parts List.pdf) contained in this filing. The TM552 WRM has been developed at considerable effort and expense by ARRIS International, Inc. These items are considered as Trade Secrets and therefore public access to the proprietary material could possible result in duplication of equipment that could severely damage the company's business advantage. I appreciate your assistance in this matter. Sincerely, Name: Edward R. Champion, Jr. Signature: Title: Sr. Regulatory /Compliance Engineer Date: September 5, 2006

September 6, 2006 Federal Communications Commission 445 Twelfth St., S.W. Washington, D.C. 20554 Dear Sirs: ARRIS International, Inc. requests modular approval for the device identified by the FCC ID: UID-WRMTM5. 1. The modular transmitter has its own RF shielding. The ensures that the module does not rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with Part 15 limits. The shielding prevents coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. 2. The modular transmitter has buffered modulation/data inputs that ensures the module complies with Part 15 requirements under conditions of excessive data rates or over-modulation. 3. The modular transmitter has its own power supply regulation. The power supply regulation ensures that the module will complies with Part 15 requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 4. The modular transmitter complies with the antenna requirements of Section 15.203 and 15.204(c). Any antenna used with the module must be approved with the module, either at the time of initial authorization or through a Class II permissive change. The “professional installation” provision of Section 15.203 may does not apply to modules. 5. The modular transmitter was tested in a stand-alone configuration complies with Part 15 Class B emission. 6. The modular transmitter is labeled with its own FCC ID number. The FCC ID is not visible when the module is installed inside another device. The outside of the device into which the module is installed will display a label referring to the enclosed module. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. Using the latter case, a copy of these instructions are included in the application for equipment authorization. 7. The modular transmitter is not authorized for operation under Section 15.231and the requirements are not applicable to the product. 8. The modular transmitter complies with applicable RF exposure requirements. FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g) are met., RF Exposure compliance in accordance with Section 15.247(b)(4) has been demonstrated. Respectfully submitted, Edward R. Champion, Jr. Sr. Engineer – Regulatory/Compliance ARRIS International, Inc.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM Internal Photographs Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Internal Photographs – 3D Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Internal Photographs - Top Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Internal Photographs – Top – Shield Removed Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Internal Photographs - Bottom Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 5: Internal Photographs - Antenna

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM Label Information Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Module Sample Label Figure 2: Module Label Location Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Host Sample Label

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM Internal Photographs Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Internal Photographs – 3D Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Internal Photographs - Top Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Internal Photographs – Top – Shield Removed Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Internal Photographs - Bottom Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 5: Internal Photographs - Antenna

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM RF Exposure Information Model: TM552 WRM FCC ID: UID-WRMTM5 ACS Report: 06-0096-15C Page 2 General Information: Manufacturer: SerComm Applicant: ARRIS International, Inc. ACS Project: 06-0200 FCC ID: UID-WRMTM5 Device Category: Mobile Environment: General Population/Uncontrolled Exposure Technical Information: Antenna Type: Dipole Antenna Gain: 1.8 dBi Transmitter Conducted Power: 21.56dBm Maximum System EIRP: 23.36dBm Operating Configuration: Mobile Exposure Conditions: Greater than 20 centimeters MPE Calculation The Power Density (mW/cm 2 ) is calculated as follows: S = 2 4R PG π Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 246221.561.00143.221.81.514 200.043 Power Density (mW/cm^2) Distance (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Antenna Gain (dBi) Antenna Gain (mW eq.) Installation Guidelines The installation manual contains the following text advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: “RF Exposure (Intentional Radiators Only) In accordance with FCC requirements of human exposure to radiofrequency fields, the radiating element shall be installed such that a minimum separation distance of 20cm is maintained from the general population.” Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: SerComm Applicant: ARRIS International, Inc. Model: TM552 WRM Test Begin Date: August 2, 2006 Test End Date: August 31, 2006 Report Issue Date: September 26, 2006 FOR THE SCOPE OF ACCREDITATION UNDER LAB Code 200612-0 This report is not be used to claim certification, approval, or endorsement by NVLAP, NIST or any government agency. Prepared by: Reviewed by: J. Kirby Munroe Manager Wireless Certifications ACS, Inc. R. Sam Wismer Engineering Manager ACS, Inc. This test report shall not be reproduced except in full. This report may be reproduced in part with prior written consent of ACS, Inc. The results contained in this report are representative of the sample(s) submitted for evaluation. This report contains 20 pages 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Table of Contents 1.0 General 3 1.1 Purpose 3 1.2 Product Description 3 1.2.1 General 3 1.2.2 Intended Use 3 1.2.3 Antenna Information 3 1.3 Test Methodology and Considerations 3 2.0 Test Facilities 4 2.1 Location 4 2.2 Laboratory Accreditations/Recognitions/Certifications 4 2.3 Radiated Emissions Test Site Description 5 2.3.1 Semi-Anechoic Chamber Test Site 5 2.3.2 Open Area Tests Site (OATS) 6 2.4 Conducted Emissions Test Site Description 7 3.0 Applicable Standards and References 7 4.0 List of Test Equipment 8 5.0 Support Equipment 9 6.0 EUT Setup Block Diagram 9 7.0 Summary of Tests 10 7.1 Section 15.203 - Antenna Requirement 10 7.2 Section 15.207 - Power Line Conducted Emissions 10 7.2.1 Test Methodology 10 7.2.2 Test Results 10 7.3 Section 15.109 - Radiated Emissions (Unintentional Radiation) 12 7.3.1 Test Methodology 12 7.3.2 Test Results 12 7.4 Section 15.247(a)(2) – 6 dB Bandwidth 13 7.4.1 Test Methodology 13 7.4.1 Test Results 13 7.5 Section 15.247(b) – Peak Output Power 14 7.5.1 Test Methodology 14 7.5.2 Test Results 14 7.6 Section 15.247(c) – Band-Edge Compliance and Spurious Emissions 15 7.6.1 Section 15.247 (c) – Band-Edge Compliance 15 7.6.1.1 Test Methodology 15 7.6.1.2 Test Results 15 7.6.2 Section 15.247(c) – Conducted Spurious Emissions 16 7.6.2.1 Test Methodology 16 7.6.2.2 Test Results 16 7.6.3 Section 15.247(c) – Radiated Spurious Emissions 18 7.6.3.1 Test Methodology 18 7.6.3.2 Test Results 18 7.6.3.3 Sample Calculation 19 7.7 Section 15.247(d) – Power Spectral Density 19 7.7.1 Test Methodology 19 7.7.2 Test Results 19 8.0 CONCLUSION 20 Additional Exhibits Included In Filing Internal Photographs Test Setup Photographs Product Labeling RF Exposure – MPE Calculations Installation/Users Guide Theory of Operation BOM (Parts List) System Block Diagram Schematics Model: TM552 WRM FCC ID: UID-WRMTM5 ACS Report: 06-0200-15C Advanced Compliance Solutions Page 3 1.0 GENERAL 1.1 Purpose The purpose of this report is to demonstrate compliance with Part 15, Subpart C of the FCC’s Code of Federal Regulations. 1.2 Product Description 1.2.1 General TM552 WRM (Wireless Router Module) is a Router that integrated 4-port Ethernet and 802.11b/g Wireless LAN. The TM552 WRM router includes an IEEE802.11b/g-compliant wireless access point providing continuous, high-speed 54 Mbps access between wireless and Ethernet devices. Detailed photographs of the EUT are filed separately with this filing. 1.2.2 Intended Use The TM552 WRM is intended to be used as a Wireless Router Module. 1.2.3 Antenna Information Two Antennas are available with the TM552 WRM. They are as follows: Manufacturer.................Wha Yu Industrial Co., LTD P/NO...........................C147-510023-A Frequency Range...........2.4GHz ~ 2.5GHz Impedance ...................50Ω Nominal VSWR .........................1.92 Max Return Loss...................-10 dB Maximum Radiation .....................Omni-directional Gain(peak)....................1.8dBi Polarization...................Linear Vertical Admitted Power.............1W Connector.....................SMA Plug Reverse Manufacturer.................Wha Yu Industrial Co., LTD P/NO...........................C66-510003-A Frequency Range...........2.4GHz ~ 2.5GHz Impedance ..................50Ω Nominal VSWR ........................1.92 Max Return Loss..................-10 dB Maximum Radiation .....................1/2 Wave Dipole Gain(peak)...................1.8dBi Polarization..................Linear Vertical Admitted Power............1W Connector.....................SMA Plug Reverse 1.3 Test Methodology and Considerations The Sercomm TM552 WRM was tested as a stand-alone board for the purpose of modular approval. All modes of operation including all data rates were evaluated and the worst case data presented in this report. For the purpose of demonstrating compliance with 15.207 for AC power line conducted emissions, the module was integrated into a typical host which connects to the AC mains. Model: TM552 WRM FCC ID: UID-WRMTM5 ACS Report: 06-0200-15C Advanced Compliance Solutions Page 4 2.0 TEST FACILITIES 2.1 Location The radiated and conducted emissions test sites are located at the following address: Advanced Compliance Solutions 5015 B.U. Bowman Drive Buford, GA 30518 Phone: (770) 831-8048 Fax: (770) 831-8598 2.2 Laboratory Accreditations/Recognitions/Certifications The Semi-Anechoic Chamber Test Site, Open Area Test Site (OATS) and Conducted Emissions Site have been fully described, submitted to, and accepted by the FCC, Industry Canada and the Japanese Voluntary Control Council for Interference by information technology equipment. In addition, ACS is compliant to ISO 17025 as certified by the National Institute of Standards and Technology under their National Voluntary Laboratory Accreditation Program. The following certification numbers have been issued in recognition of these accreditations and certifications: F…

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5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Direct Sequence Spread Spectrum Transmitter Test Report FCC ID: UID-WRMTM5 FCC Rule Part: 15.247 ACS Report Number: 06-0200-15C Manufacturer: Sercomm Applicant: ARRIS International, Inc. Model: TM552 WRM Test Setup Photographs Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Radiated Emissions Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Radiated Emissions Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Conducted Emissions Model: TM552 WRM Advanced Compliance Solutions FCC ID: UID-WRMTM5 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Conducted Emissions