PHX-RSU2510FNon-Line of Site Wireless Data Link

FCC ID: PHX-RSU2510F Page 1 of 23 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Exhibit 8 Installation and Operation Manual i Installing and using the Expedience RSU wireless modem Directions for connecting your RSU to a computer or LAN and obtaining high-speed Internet access. ii Expedience and LinkMonitor are trademarks of NextNet Wireless, Inc. Other brand and product names may be registered trademarks or trademarks of their respective holders. Part number: 104-0015-0002-02 ©2002-2003 NextNet Wireless, Inc. All rights reserved. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCT. FOR WARRANTY INFORMATION ON THE EXPEDIENCE WIRELESS MODEM, CONTACT THE INTERNET SERVICE PROVIDER THAT SUPPLIED THE RSU. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE THAT ARE PROVIDED ON THE EXPEDIENCE BROADBAND WIRELESS ACCESS MODEM CD-ROM ARE PROVIDED “AS IS” WITH ALL FAULTS. NEXTNET WIRELESS DISCLAIMS ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. IN NO EVENT SHALL NEXTNET WIRELESS OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OF DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS GUIDE, EVEN IF NEXTNET WIRELESS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Contents iii Welcome................................................................................ 1 Before you begin .................................................................. 1 Connecting your RSU to a computer ...................................... 3 Installation overview ............................................................ 3 Setting up the computer to dynamically receive an IP address .... 3 Windows 95, Windows NT, Windows 98, Windows ME: Setting up the network connection ......................................................... 3 Windows 2000: Setting up the network connection ................... 3 Windows XP: Setting up the network connection ....................... 4 Plugging in the RSU .............................................................. 4 Finding the strongest service provider signal ............................ 7 Using the indicator lights to find the strongest service provider signal ................................................................................. 8 Using the software-assisted method to find the strongest signal 10 Fine-tuning the connection to the service provider ...................12 Connecting to the Internet ...................................................12 Renewing the host computer’s IP address........................... 13 Windows users: Renewing the IP address ...............................13 Non-Windows users: Renewing the IP address ........................13 Connecting the RSU to a network ........................................ 13 Troubleshooting .................................................................. 13 The RSU can successfully receive a signal at home, but not at work or at a friend’s house ...............................................13 The RSU cannot receive your service provider’s signal ..............14 The RSU’s lights blink in sequence .........................................14 You successfully completed the signal scan, but your Internet browser cannot connect to a web site ....................................16 The lights on the RSU blink more slowly than normal ...............16 You receive a dialog box indicating that you cannot connect to your service provider .......................................................16 LinkMonitor application cannot communicate with RSU when VPN is used ........................................................................17 RSU malfunctions after you write on the RSU or attach stickers to the RSU .........................................................................17 FCC information ................................................................... 19 1 Welcome This document describes how to install and use your Expedience residential subscriber unit (RSU) to obtain wireless high-speed Internet access. You can connect your RSU to a computer or to a small office/home office (SOHO) local area network (LAN) through a hub, switch, or router. BEFORE YOU BEGIN •Make sure your computer is equipped with an Ethernet network interface card (NIC). •The Ethernet cable that is supplied with your RSU plugs into any standard Ethernet NIC. The NIC is not provided with the RSU, but you can purchase a NIC at most computer and electronics stores. •Find an appropriate location for your RSU. •Make sure you are operating the RSU in a room near an outside window on the first or second floor of your home or office. •You need to locate the RSU close to a wall outlet. The RSU uses a standard power supply and can sit on a desktop or shelf. •Your RSU comes with a category-5 Ethernet cable. If you choose to place the RSU a good distance from your computer, you may need to purchase a longer Ethernet cable. If you purchase a cable, make sure the cable is a category-5 Ethernet cable with RJ-45 connectors on each end. •Locate the components shipped with your RSU device: •RSU device •Software CD-ROM •RSU Quick Start Guide •Power cable and power supply box •Ethernet cable 2 Figure 1 illustrates the RSU package contents. Table 1 lists the standard contents in your RSU package. Figure 1: RSU package contents Table 1: RSU package components ComponentPart number RSU package (vertical polarization)900-0015-1001 RSU device (vertical polarizati…

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NextNet ® Wireless, Inc. Exhibit 13 9555 James Ave. South Suite 270 FCC ID: PHX-RSU2510F Bloomington, MN 55431 Page 4 of 5 04/29/2005 Warning Statements and Locations The following warning statement is located in the “Installing And Using The Expedience RSU Wireless Modem” manual: NOTICE: This equipment has been tested and found to comply with the Radio Frequency Radiation Exposure Limits detailed below. A minimum of 20 centimeter (8 inches) separation between the RSU antenna and the operator and all other persons should be maintained. The following information is located on the RSU product: To comply with FCC radio frequency exposure rules, 47CFR1.1307 and 1.1310, a minimum separation of 20 cm (8 inches) is required between the antenna for this device and all persons.

NextNet ® Wireless, Inc. Exhibit 13 9555 James Ave. South Suite 270 FCC ID: PHX-RSU2510F Bloomington, MN 55431 Page 2 of 5 04/29/2005 Request for Confidentiality 04/29/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-RSU2510F Please be advised that the following information is to be held confidential on behalf of NextNet Wireless, Inc.: • Exhibit 4 - Block Diagrams • Exhibit 5 – Schematics • Exhibit 10 – Parts list • Exhibit 12 - Technical Description This application contains technical information that NextNet Wireless, Inc. deems to be trade secrets and proprietary. If made public, the information might be used to the disadvantage of NextNet Wireless, Inc. in the market place. Thank you for your attention to this matter. Tim Blom NextNet Wireless, Inc.

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 May 3, 2005 RE: FCC ID: PHX-RSU2510F_ATCB002396 Attention: Tim Blom I have a few comments on this Application. Please note that further comments may arise in response to answers provided to the questions below. 1. FYI – Please note that as this is a Class B computer peripheral device under DoC as well as a licensed transmitter the 2-condition statement of 15.19(a) must be on the device. Please note that this statement cannot be in the manual as the device is clearly large enough to accommodate the statement. You should consider complying to the specific rule section for this requirement. 2. Please note that 27.50(h)(2) states “Mobile stations are limited to 2.0 watts EIRP. All user stations are limited to 2.0 watts transmitter output power.” While the conducted power has been shown to be less than 2 watts for user stations, the EIRP has not been shown to be less than 2W. Please provide information on the antenna gain of the device and please address the 2 W EIRP limit for mobile stations. 3. Please note that the antenna substitution information provided does not appear to agree with the method specified in TIA603 mentioned or the test procedure specified on page 45 of the report. TIA 603 methods stipulate that the field strength obtained by the receive antenna be reproduced by applying a signal into a substitution antenna. The reading is taken from the output of the signal generator or amp which fed the substitution antenna. The cable factor from the substitution antenna to the generator is then subtracted and the gain of the substitution antenna is added to give the ERP/EIRP. The data shown indicates additional factors are added that do not apply and the report does not explain how or what the substitution factor is or how it was derived. Please explain how the data relates to this accepted method (i.e. that mentioned on page 45 of the report) and why the receive antenna factor, cable, preamp and attenuator factors have been included in the measurement. Please explain how the substitution factor reported is derived and please provide evidence that the method used is a proper antenna substitution method. 4. Please note that the spurious emissions limits for BRS stations is not simply 43+10logP as stated in the report. Please note page test report part 1 page 30 incorrectly quotes 27.53(l)(2). This has changed as of Jan 10, 2005. Please note that 27.53(l)(2) is for fixed stations. Please note that this is a mobile subscriber station and does not fall under this rule part. Please quote and provide appropriate test data for the correct section of 27.53 (i.e. 27.53 (l)(3) and (4)). 5. Please address the emissions limits for this type device as specified in 27.53(l)(3) and (4). Dennis Ward mailto:[email protected] The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information may result in application termination. Correspondence should be considered part of the permanent submission and may be viewed from the Internet after a Grant of Equipment Authorization is issued. Please do not respond to this correspondence using the email reply button. In order for your response to be processed expeditiously, you must submit your documents through the AmericanTCB.com website. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the sender.

NextNet Wireless, Inc. reply to comments from May 3, 2005. RE: FCC ID: PHX-RSU2510F_ATCB002396 May 5, 2005 RE: FCC ID: PHX-RSU2510F_ATCB002396 1. FYI – Please note that as this is a Class B computer peripheral device under DoC as well as a licensed transmitter the 2-condition statement of 15.19(a) must be on the device. Please note that this statement cannot be in the manual as the device is clearly large enough to accommodate the statement. You should consider complying to the specific rule section for this requirement. NextNet Wireless, Inc. will review the two condition statement to the RSU- 2510-F product. 2. Please note that 27.50(h)(2) states “Mobile stations are limited to 2.0 watts EIRP. All user stations are limited to 2.0 watts transmitter output power.” While the conducted power has been shown to be less than 2 watts for user stations, the EIRP has not been shown to be less than 2W. Please provide information on the antenna gain of the device and please address the 2 W EIRP limit for mobile stations. The NextNet Wireless, Inc. RSU-2510-F product being submitted for FCC certification is a customer premise equipment (CPE) product that has been designed for use in the home or office and is not suitable for operation in a “mobile” or automotive type application. From the definitions found in 47CFR27.4 (see definitions below), a “Temporary Fixed Broadband Station” accurately defines the NextNet Wireless, Inc. RSU- 2510-F product. The power limits as specified in 47CFR27.50(h)(2) are for two different classifications of products. A mobile device as defined in the terms and definitions is limited to 2 watts of EIRP. The other classification of devices would be “all other CPE or user station products that are not mobiles” and these devices are limited to 2 watts of transmitter power. The NextNet Wireless, Inc. RSU-2510-F device complies to the FCC requirements for transmitter power as defined in 27.50(h)(2). § 27.4 Terms and definitions. Temporary fixed broadband station. A broadband station used for the transmission of material from temporary unspecified points to a broadband station. Mobile station. A station in the mobile service intended to be used while in motion or during halts at unspecified points. NextNet Wireless, Inc. reply to comments from May 3, 2005. RE: FCC ID: PHX-RSU2510F_ATCB002396 3. Please note that the antenna substitution information provided does not appear to agree with the method specified in TIA603 mentioned or the test procedure specified on page 45 of the report. TIA 603 methods stipulate that the field strength obtained by the receive antenna be reproduced by applying a signal into a substitution antenna. The reading is taken from the output of the signal generator or amp which fed the substitution antenna. The cable factor from the substitution antenna to the generator is then subtracted and the gain of the substitution antenna is added to give the ERP/EIRP. The data shown indicates additional factors are added that do not apply and the report does not explain how or what the substitution factor is or how it was derived. Please explain how the data relates to this accepted method (i.e. that mentioned on page 45 of the report) and why the receive antenna factor, cable, preamp and attenuator factors have been included in the measurement. Please explain how the substitution factor reported is derived and please provide evidence that the method used is a proper antenna substitution method. Clarification of the antenna substitution method has been added to the Exhibit 6 Test Report Part 2 document and is found on page 34 of this new document. A revised Exhibit 6 Test Report Part 2r has been uploaded to the ATCB web site. 4. Please note that the spurious emissions limits for BRS stations is not simply 43+10logP as stated in the report. Please note page test report part 1 page 30 incorrectly quotes 27.53(l)(2). This has changed as of Jan 10, 2005. Please note that 27.53(l)(2) is for fixed stations. Please note that this is a mobile subscriber station and does not fall under this rule part. Please quote and provide appropriate test data for the correct section of 27.53 (i.e. 27.53 (l)(3) and (4)). The rules stated in 27.53(l)(2) are for “fixed and temporary fixed digital stations”. As described in question #2 above, the NextNet Wireless, Inc. RSU-2510-F product is classified as a temporary fixed device and as such complies to the requirements of the emission limits as detailed in 27.53(l)(2). Section 27.53(l)(3) does not apply as this is for devices “employing digital modulation for the primary purpose of transmitting video programming”. The NextNet Wireless, Inc. RSU-2510-F is a non-broadcast transmitter that is not suitable for the intent of video programming broadcasting. Section 27.53(l)(4) is not applicable as this product is not a mobile device but a temporary fixed device. 5. Please address the emissions limits for this type device as specified in 27.53(l)(3) and (4). The NextNet Wireless, Inc. RSU-2510-F device complies to the emissions limits as defined in the FCC rules of section 27.53(l)(2). The FCC rules, 27.53(l)(3) and 27.53(l)(4) are not applicable to this product submission.

FCC ID: PHX-RSU2510F Page 1 of 4 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Exhibit 3 External Photographs Exhibit 3 FCC ID: PHX-RSU2510F External Photographs Page 2 of 4 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Front View Exhibit 3 FCC ID: PHX-RSU2510F External Photographs Page 3 of 4 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Back View Exhibit 3 FCC ID: PHX-RSU2510F External Photographs Page 4 of 4 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Edge View

FCC ID: PHX-RSU2510F NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South, Suite 270 Page 1 of 4 Bloomington, MN 55431 Exhibit 1 Labeling Requirements and Information Exhibit 1 FCC ID: PHX-RSU2510F Labeling Requirements NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South, Suite 270 Page 2 of 4 Bloomington, MN 55431 04/29/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: FCC Labeling Requirements FCC ID: PHX-RSU2510F NextNet Wireless, Inc. Model: RSU-2510-F The following label information is required by the FCC Rules and Regulations for certified devices and Class B personal computers and peripherals. Thank you for your attention to these matters. Sincerely, Tim Blom NextNet Wireless, Inc. Exhibit 1 FCC ID: PHX-RSU2510F Labeling Requirements NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South, Suite 270 Page 3 of 4 Bloomington, MN 55431 The following FCC labels will be attached to the RSU-2510-F product with a permanent adhesive. Label Samples RSU-2510-FV Label (with vertically polarized antenna) RSU-2510-FH Label (with horizontally polarized antenna) Declaration of Conformity Label Exhibit 1 FCC ID: PHX-RSU2510F Labeling Requirements NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South, Suite 270 Page 4 of 4 Bloomington, MN 55431 Photograph Showing Label Location On Product

FCC ID: PHX-RSU2510A Page 1 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Exhibit 9 Internal Photographs Exhibit 9 FCC ID: PHX-RSU2510A Internal Photographs Page 2 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Main PC Board Component Side View (Without Shields) Main PC Board Component Side View (With Shields) Exhibit 9 FCC ID: PHX-RSU2510A Internal Photographs Page 3 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Main PC Board Back Side View (Without Shield) Main PC Board Back Side View (With Shield) Antenna Connection Exhibit 9 FCC ID: PHX-RSU2510A Internal Photographs Page 4 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Vertical Antenna Bottom Side View Vertical Antenna Top Side View Exhibit 9 FCC ID: PHX-RSU2510A Internal Photographs Page 5 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Main Board Shield Back Side View Exhibit 9 FCC ID: PHX-RSU2510A Internal Photographs Page 6 of 6 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Horizontal Antenna Top Side View Horizontal Antenna Bottom Side View

FCC ID: PHX-RSU2510F Page 1 of 10 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Exhibit 11 RF Exposure Information Exhibit 11 FCC ID: PHX-RSU2510F Radio Frequency Exposure Page 2 of 10 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Radio Frequency Radiation Exposure Evaluation Rule Part Number: 1.1307, 1.1310, 2.1091 1.1307 Actions that may have a significant environmental effect, for which Environmental Assessments (EAs) must be prepared. TABLE 1—TRANSMITTERS, FACILITIES AND OPERATIONS SUBJECT TO ROUTINE ENVIRONMENTAL EVALUATION Service (title 47 CFR rule part) Evaluation required if— Wireless Communications Service (Part 27) ...... Non-building-mounted antennas: height above ground level to lowest point of antenna < 10 m and power > 1640 W EIRP. Building-mounted antennas: power > 1640 W EIRP. BRS and EBS licensees are required to attach a label to subscriber transceiver or transverter antennas that: (1) Provide adequate notice regarding potential radiofrequency safety hazards, e.g., information regarding the safe minimum separation distance required between users and transceiver antennas; and (2) reference the applicable FCC-adopted limits for radio frequency exposure specified in § 1.1310. 1.1310 Radio frequency radiation exposure limits. TABLE 1—LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) (A) Limits for Occupational/Controlled Exposures 1500–100,000 ..................... ...................... ......................... 5 6 (B) Limits for General Population/Uncontrolled Exposure 1500–100,000 ..................... ..................... ...................... 1.0 30 f = frequency in MHz Exhibit 11 FCC ID: PHX-RSU2510F Radio Frequency Exposure Page 3 of 10 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Radio Frequency Radiation Exposure Evaluation (Cont’d) § 2.1091 Radio Frequency radiation exposure evaluation: mobile devices. (a) Requirements of this section are a consequence of Commission responsibilities under the National Environ-mental Policy Act to evaluate the environmental significance of its actions. See subpart I of part 1 of this chapter, in particular § 1.1307(b). (b) For purposes of this section, a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to generally be used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitter’s radiating structure(s) and the body of the user or nearby persons. In this context, the term ‘‘fixed location’’ means that the device is physically secured at one location and is not able to be easily moved to another location. Transmitting devices designed to be used by consumers or workers that can be easily relocated, such as wireless devices associated with a personal computer, are considered to be mobile devices if they meet the 20 centimeter separation requirement. (d) The limits to be used for evaluation are specified in § 1.1310 of this chapter. All unlicensed personal communications service (PCS) devices and unlicensed NII devices shall be subject to the limits for general population/un-controlled exposure. (1) For purposes of analyzing mobile transmitting devices under the occupational/ controlled criteria specified in § 1.1310 of this chapter, time-averaging provisions of the guidelines may be used in conjunction with typical maximum duty factors to determine maximum likely exposure levels. (2) Time-averaging provisions may not be used in determining typical exposure levels for devices intended for use by consumers in general population uncontrolled environments as defined in § 1.1310 of this chapter. However, ‘‘source- based’’ time-averaging based on an inherent property or duty-cycle of a device is allowed. An example of this is the determination of exposure from a device that uses digital technology such as a time-division multiple-access (TDMA) scheme for transmission of a signal. In general, maximum average power levels must be used to determine compliance. Calculations: The NextNet Wireless Expedience RSU-2510-F operates at a maximum of 2 watts (33 dBm) average power while transmitting in the 2496-2690 MHz band. The RSU-2510-F has a maximum transmit duty cycle of 14.29 % and is based on a TDM frame (see test information at end of this report). Exhibit 11 FCC ID: PHX-RSU2510F Radio Frequency Exposure Page 4 of 10 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Radio Frequency Radiation Exposure Evaluation (Cont’d) The vertically polarized antenna has 13 dBi of gain. Therefore, the maximum radiated transmit power would be: 14.29% Transmit Duty Cycle: Pmax = Ptx(dBm) + G(antenna(dBi)) - 10*log(duty cycle)(dB) Pmax = 33 + 13 - 10*log(0.1429) = 33 + 13 - 8.45 Pmax = 37.55 dBim = 5.688 Watts EIRP < 1640 Watts EIRP The horizontally polarized antenna has 12.2 dBi of gain. Therefore, the maximum radiated transmit power would be: 14.29% Transmit Duty Cycle: Pmax = Ptx(dBm) + G(antenna(dBi)) - 10*log(duty cycle)(dB) Pmax = 33 + 12.2 - 10*log(0.1429) = 33 + 12.2 - 8.45 Pmax = 36.75 dBim = 4.7315 Watts EIRP < 1640 Watts EIRP Calculations: The following calculations can be used to determine the distance from the transmitting antenna that must be maintained to ensure that the exposure limit as defined in Table 1 of part 1.1310 (B) Limits for General Population/Uncontrolled Exposure. The formula for the following calculations are found in the OET Bulletin 65, edition 97-01 August 1997, “Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields”. The maximum power level from the previous calculations will be used. S = EIRP/4 πR 2 or R = (EIRP/4πS) 0.5 2496-2690 MHz Band: S=1 mW/cm 2 R=20 cm EIRP = 5…

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FCC ID: PHX-RSU2510F Page 1 of 97 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Exhibit 6 Test Report Part 1 FCC Part 27 Exhibit 6 Part 1 FCC ID: PHX-RSU2510F Test Report Page 2 of 97 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 EXHIBIT 6, PART 1 TABLE OF CONTENTS TEST EQUIPMENT LIST ................................................................ 3 CONDUCTED RF POWER OUTPUT ............................................. 4 Conducted RF Output Test Results Summary..................................................5 Conducted RF Power Output Spectrum Analyzer Plots ...................................6 MODULATION CHARACTERISTICS........................................... 30 Modulation Characteristics Test Results Summary ........................................31 Modulation Characteristics Spectrum Analyzer Plots .....................................53 OCCUPIED BANDWIDTH / EMISSION BANDWIDTH................. 71 Occupied and Emission Bandwidth Test Results Summary ...........................73 Occupied Bandwidth Spectrum Analyzer Plots...............................................74 Emission Bandwidth Spectrum Analyzer Plots ...............................................86 Exhibit 6 Part 1 FCC ID: PHX-RSU2510F Test Report Page 3 of 97 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Test Equipment List Test Equipment Description DUT NextNet Wireless CPE RSU-2510-F Board No. 1223 Spectrum Analyzer Agilent E4440A S/N: MY44022791 Calibrated on: 05/30/2004 Cal due: 05/30/2006 Attenuators and coax 2- 20 dB Pasternak Corporation Model: PE7005-20 (20 dB) x 2 Calibrated by user Computer Dell Inspiron 5000 Model: PPM S/N: 000832RM-12961-04R-0441 Ethernet Switch D-Link Model: DSS-5+ 5 port 10/100Mbps S/N: B205335003173 Power Supply (All Tests Except Frequency Stability) Globtek Model GT-21089-1815-2.0-W2 Part No. GS-905 Power Supply (Frequency Stability Test Only) Agilent E3615A S/N: KR01508898 Calibrated with voltmeter listed below. Voltmeter HP 34401A S/N: 3146A9519 Calibrated on: 6-29-2004 Cal due: 6-29-2006 Temperature Chamber Test Equity 1000 Series Temperature Sensor Fluke 89 IV True RMS Multimeter K-Type Thermocouple Radiation Hazard Meter General Microwave Corporation RAHAM Model 3 Cal Date: 10-14-2003 Cal Due: 10-14-2005 Exhibit 6 Part 1 FCC ID: PHX-RSU2510F Test Report Page 4 of 97 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Conducted RF Power Output Rule Part Number: 2.1046, 27.50(h)(2) Tx Power ≤ 2.0 watts Standard: TIA-603-B TIA Standard, Land Mobile FM or PM Communications Equipment, Measurement and Performance Standards Test Procedure: The conducted RF output power was measured with a spectrum analyzer utilizing the power measurement function. The RF output is applied to an attenuator that is connected to the spectrum analyzer RF input port. The spectrum analyzer is time gated to capture the transmission during the burst. An RMS detector is used to measure the average power during the transmission. The transmitter is enabled in test mode by the attached computer. The RF loss of the attenuators and coax has been measured and is included in the spectrum analyzer offset level and is noted on the block diagram. Measurements are performed at several frequencies across the band for each of the modulation formats available (4-, 16-, and 64-QAM) and channel bandwidths (5.5 MHz and 6.0 MHz). Test Conditions: Frequencies = 5.5 MHz channels: 2504.75, 2565.25, 2626.75, 2687.25 MHz 6.0 MHz channels: 2499, 2575, and 2621 MHz Temperature = 25 ° C Supply Voltage = 13.0 VDC Nominal to DUT Spectrum AnalyzerDUT Power Supply Ethernet Switch 41.4 dB Computer Trigger Conducted RF Power Test Setup Exhibit 6 Part 1 FCC ID: PHX-RSU2510F Test Report Page 5 of 97 NextNet ® Wireless, Inc. 04/29/2005 9555 James Ave. South Suite 270 Bloomington, MN 55431 Conducted RF Output Test Results Summary Minimum Power Setting QPSK 16 QAM 64 QAM Freq (MHz) (dBm) (Watts) (dBm) (Watts) (dBm) (Watts) 2504.75 -0.14 0.00097 -0.22 0.00095 -0.20 0.00095 2565.25 -0.28 0.00094 -0.27 0.00094 -0.34 0.00092 2626.75 -0.38 0.00092 -0.24 0.00095 -0.16 0.00096 2687.25 0.01 0.00100…

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