PHX-RSU2510SResidential Subscriber Unit

Section 8 FCC ID: PHX-RSU2510S Users Manual – Regulatory Information IC: 4022A-RSU2510S Section 8 Users Manual / Regulatory Information NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 8-1of 4 5/15/2006 ® Section 8 FCC ID: PHX-RSU2510S Users Manual – Regulatory Information IC: 4022A-RSU2510S FCC / INDUSTRY CANADA INFORMATION NOTICE: This equipment has been tested and found to comply with the Radio Frequency Radiation Exposure Limits detailed below. A minimum of 20 centimetres (8 inches) separation between the RSU and the operator and all other persons should be maintained. This product complies with the requirements for Radio Frequency Radiation Hazard as defined in the FCC rules 47CFR1.1307 and 47CFR2.1091 and Industry Canada Standard RSS-102. Additional information about Radio Frequency Radiation Exposure can be found on the FCC web site (www.fcc.gov ) and the Canada web site (http://canada.gc.ca/ ). 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 NOTE 1 to Table 1: Occupational/controlled limits apply in situations in which persons are exposed as a consequence of their employment provided those persons are fully aware of the potential for exposure and can exercise control over their exposure. Limits for occupational/controlled exposure also apply in situations when an individual is transient through a location where occupational/controlled limits apply provided he or she is made aware of the potential for exposure. NOTE 2 to Table 1: General population/uncontrolled exposures apply in situations in which the general public may be exposed, or in which persons that are exposed as a consequence of their employment may not be fully aware of the potential for exposure or cannot exercise control over their exposure. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 8-2of 4 5/15/2006 ® Section 8 FCC ID: PHX-RSU2510S Users Manual – Regulatory Information IC: 4022A-RSU2510S Declaration of Conformity Compliance Information Residential Subscriber Unit Model Numbers: RSU-2510-F RSU-2510-S This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B conforme à la norme NMB-003 du Canada. Declaration of Conformity Responsible Party: NextNet Wireless, Inc. 2900 West County Road 42, Suite 120 Burnsville, MN 55306 952-929-4008 Note: This equipment has been tested and found to comply with 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 interference 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 receiving 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. Note: Modification of this device may void the user’s authority to operate the equipment. The device is intended to be powered by Listed/CN ITE LPS or Class II power supply with output rated 13 V dc, 1.3 A minimum. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 8-3of 4 5/15/2006 ® INSTALLING THE WIRELESS MODEM Congratulations on your purchase of the Expedience ® residential subscriber unit (RSU). The RSU provides you with an always-on, wireless, high-speed Internet connection. Installation of the RSU is easy, and in a matter of minutes you can begin to receive broadband Internet service. You can connect the compact, portable unit directly to your computer or to a local area network. Before you begin, make sure you have the following: - Standard Ethernet NIC installed on your computer. Package contents Your RSU comes with the components illustrated here. RSU device Power supply Ethernet cable Installing the Wireless Modem guide Connecting cables to the RSU Checking the RSU's lights Finding the best signal from the ISP Connecting Ethernet cable to computer Setting the computer's IP address 1. Place the RSU on a table or shelf. 2. Point the back of the RSU (the side without a logo) toward a window. Remove your hands from the RSU for a few seconds. 3. Note the number of lights on the RSU that blink. 4. Point the RSU to the left of the starting point, then to the right. At each point, note how many lights blink. 5. Re-orient the back of the RSU to the direction it was pointed when the most lights blinked. 6. Ensure that the lights stay on after you release your hands from the RSU. 1. Plug the power supply into a wall outlet. 2. Plug the power supply into the RSU. 3. Plug the Ethernet cable into the RSU. 4. Do not connect the Ethernet cable to your computer yet. The lights on the RSU blink to indicate the strength of the signal received by the RSU. The RSU is equipped with an internal antenna…

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To: William Graff 08/11/2006 [email protected] From: Tim Blom [email protected] Re: FCC ID:PHX-RSU2510S Applicant: NextNet Wireless, Inc. Correspondence Number: 31084 731 Confirmation Number: TC463825 Date of Original E-Mail: 08/11/2006 Subject: audit cont. Question 1: Form731 has 2 W conducted; EMC has 1.98 W; EMC mentions 13 dBi antenna gain. Please address compliance with 27.50(h)(2) 2 W EIRP limit for mobile-station devices, including measured data where appropriate. Reply: 47CFR27.50(h)(2) Mobile and other user stations. Mobile stations are limited to 2.0 watts EIRP. All user stations are limited to 2.0 watts transmitter output power. The NextNet Wireless RSU-2510-S residential subscriber unit product has been designed for use as a temporary fixed broadband wireless modem. From the FCC rules in Part 27.4 Terms and definitions, a Temporary fixed broadband station is defined as; A broadband station used for the transmission of material from temporary unspecified points to a broadband station. The NextNet Wireless RSU-2510-S user station is not a mobile device thereby making the second sentence of 27.50(h)(2) applicable to this product. The 13 dBi gain antenna information listed in this section of the test report was included for the Industry Canada requirements for this product. Question 2: Note 27.50(i) requires peak power, meaning 14% duty factor mentioned in grant note does not apply for output power evaluation. Reply: The measurement of the peak power was performed with a spectrum analyzer that is set to sweep only when the transmitter is enabled. By performing the measurement in this fashion, versus using a power meter, the power contained within the channel is measured directly during transmission and does not need to be adjusted for a transmitter duty factor. The 14.29% sourced-based time- averaging duty factor statement on the grant is in reference to radiation hazard requirements. The data presented in “5 Test Report Part 1a” is the peak transmitter power. The power is measured during transmission using a detector that is calibrated in terms of rms-equivalent voltage and does not include any adjustment for a transmitter duty factor. Regards, Tim Blom NextNet Wireless, Inc. 507-837-3672

NextNet ® Wireless, Inc. FCC ID: PHX-RSU2510S Section 10 Correspondence 9555 James Ave. South Suite 270 IC: 4022A-RSU2510S Bloomington, MN 55431 5/15/2006 Page 10-1 of 4 NextNet ® Wireless, Inc. FCC ID: PHX-RSU2510S Request for Confidentiality 5/15/2006 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-RSU2510S IC ID: 4022A-RSU2510S Please be advised that the following information is to be held confidential on behalf of NextNet Wireless, Inc.: • Section 11 - Block Diagrams • Section 12 – Schematics • Exhibit 13 – Parts list • Exhibit 14 - 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. 9555 James Ave. South Suite 270 IC: 4022A-RSU2510S Bloomington, MN 55431 5/15/2006 Page 10-2 of 4 NextNet ® Wireless, Inc. FCC ID: PHX-RSU2510S Modification Letter 15/05/2006 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-RSU2510S IC ID: 4022A-RSU2510S Please be advised that the following information is a list of modifications that will be included in the production process for the above-referenced equipment. The printed circuit board(s) have been updated to include all design changes in effect at the time of regulatory compliance testing. The schematics and bill of materials associated with this filing reflect the updated design changes. Thank you for your attention to this matter. Tim Blom NextNet Wireless, Inc. 9555 James Ave. South Suite 270 IC: 4022A-RSU2510S Bloomington, MN 55431 5/15/2006 Page 10-3 of 4 NextNet ® Wireless, Inc. FCC ID: PHX-RSU2510S Manufacturer’s Letter 5/15/2006 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-RSU2510S IC ID: 4022A-RSU2510S To Whom It May Concern: Please be advised that the manufacturer will ensure that the above-referenced model will be manufactured in accordance with the Federal Communications Commission (FCC) and Industry Canada (IC) Rules and Regulations. Thank you for your attention to this matter. Tim Blom NextNet Wireless, Inc. 9555 James Ave. South Suite 270 IC: 4022A-RSU2510S Bloomington, MN 55431 5/15/2006 Page 10-4 of 4

Section 3 FCC ID: PHX-RSU2510S External Photographs IC: 4022A-RSU2510S Section 3 External Photographs NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3-1 of 4 5/15/2006 ® Section 3 FCC ID: PHX-RSU2510S External Photographs IC: 4022A-RSU2510S Front View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3-2 of 4 5/15/2006 ® Section 3 FCC ID: PHX-RSU2510S External Photographs IC: 4022A-RSU2510S Back View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3-3 of 4 5/15/2006 ® Section 3 FCC ID: PHX-RSU2510S External Photographs IC: 4022A-RSU2510S Edge View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3-4 of 4 5/15/2006 ®

Section 2 FCC ID: PHX-RSU2510S Label Location IC: 4022A-RSU2510S Section 2 Label Location NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2-1 of 4 5/15/2006 ® Section 2 FCC ID: PHX-RSU2510S Label Location IC: 4022A-RSU2510S 5/15/2006 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: FCC and Industry Canada Labeling Requirements FCC ID: PHX-RSU2510S IC: 4022A-RSU2510S NextNet Wireless, Inc. Model: RSU-2510-S The following label information is required by the FCC Rules and Regulations and Industry Canada Radio Equipment Certification Procedure (RSP-100) for certified devices. Thank you for your attention to these matters. Sincerely, Tim Blom NextNet Wireless, Inc. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2-2 of 4 5/15/2006 ® Section 2 FCC ID: PHX-RSU2510S Label Location IC: 4022A-RSU2510S The following FCC / Industry Canada tamper resistant label will be attached to the RSU-2510-S product with a permanent adhesive. RSU-2510-S Label Example (Vertically Polarized Antenna Model) RSU-2510-S Label Example (Horizontally Polarized Antenna Model) Declaration of Conformity Label NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2-3 of 4 5/15/2006 ® Section 2 FCC ID: PHX-RSU2510S Label Location IC: 4022A-RSU2510S Photograph Showing Label Location On Product NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2-4 of 4 5/15/2006 ®

Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Section 4 Internal Photographs NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-1 of 6 5/15/2006 ® Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Main PC Board Component Side View (Without Shields) ® Main PC Board Component Side View (With Shields) NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-2 of 6 5/15/2006 Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Main PC Board Back Side View (Without Shield) Antenna Connection Main PC Board Back Side View (With Shield) NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-3 of 6 5/15/2006 ® Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Main Board Shield Back Side View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-4 of 6 5/15/2006 ® Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Vertical Antenna Bottom Side View Vertical Antenna Top Side View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-5 of 6 5/15/2006 ® Section 4 FCC ID: PHX-RSU2510S Internal Photographs IC: 4022A-RSU2510S Horizontal Antenna Top Side View Horizontal Antenna Bottom Side View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4-6 of 6 5/15/2006 ®

Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S Section 9 RF Exposure Information TABLE OF CONTENTS RADIO FREQUENCY RADIATION EXPOSURE EVALUATION... 2 GENERAL INFORMATION............................................................3 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 9-1 of 9 5/15/2006 ® Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S Radio Frequency Radiation Exposure Evaluation FCC Rules: 1.1307, 1.1310, 2.1091, 27.52 IC Rules: RSS-Gen, RSS-102, RSS-193 clause 5.4, Health Canada Safety Code 6 FCC Requirement: < 1mW/cm 2 General Population / Uncontrolled Exposure IC Requirement: < 10 W/m 2 General Public Standard: IEEE Std C95.3 – 2002 FCC OET Bulletin 65 Procedure: The NextNet Wireless, Inc. Expedience system operates as a Time Division Duplex (TDD) product with a Time Division Multiplex (TDM) frame structure. The RSU-2510-SV and RSU-2510-SH Residential Subscriber Unit are able to transmit a time division duplex (TDD) signal up to a 14.29 % transmit duty cycle. To measure the RF Exposure, the RSU transmitter is enabled in a test mode that transmits random data at the 2 watt power level into the antenna. Measurements are performed at the low, mid, and high channels of each channel bandwidth, using the maximum transmitter duty cycle and both antenna polarizations and 4-QAM modulation. Conditions: Frequency = 2499, 2593, 2687 MHz Temperature = 25ºC Supply Voltage = 120 VAC / 60 Hz Nominal To DUT Power Supply Set-Up: DUT RF Probe Computer Radiation Hazard Meter NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 9-2 of 9 5/15/2006 ® Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S General Information The NextNet Wireless Expedience RSU-2510-S operates at a maximum of 2 watts (33 dBm) average power while transmitting in the 2496-2690 MHz band. The RSU-2510-S has a maximum transmit duty cycle of 14.29 % and is based on a TDM frame (see test information at end of this report). 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 dBm EIRP = 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 dBm EIRP = 4.7315 Watts EIRP < 1640 Watts EIRP NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 9-3 of 9 5/15/2006 ® Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S 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/4 πS) 0.5 2496-2690 MHz Band: S=1 mW/cm 2 R=20 cm EIRP = 5.688 W EIRP = 5.688 W EIRP = 5688 mW EIRP = 5688 mW S = 1 mW/cm 2 R = 20 cm R = (5688/(4*π*1)) 0.5 S = 5688/(4*pi*20 2 ) R = 21.2753 cm S = 1.1316 mW/cm 2 Calculated safe distance from the transmitting antenna is 21.27 cm for a point source radiation element, or the maximum field strength for a point source radiation element at 20 cm would be 1.1316 mW/cm 2 . The NextNet Wireless RSU uses a four element patch array antenna. The RF power supplied to each patch is one quarter the total power that would be supplied to a single radiating antenna as described in Bulletin 65. Because the transmitted power is distributed over a larger area, the actual signal at 20 cm will be less than the calculated value. A measurement of the signal strength at 20 cm is detailed below. The measured values of S have been adjusted to include the current calibration factor of the radiation hazard meter. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 9-4 of 9 5/15/2006 ® Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S Test Results: RSU Vertically Polarized Antenna Channel Frequency (MHz) Channel Bandwidth (MHz) Max S (mW/cm 2 ) 2499 6.0 0.70 2593 6.0 0.60 2687 6.0 0.42 RSU Vertically Polarized Antenna Channel Frequency (MHz) Channel Bandwidth (MHz) Max S (mW/cm 2 ) 2499 5.5 0.61 2593 5.5 0.54 2687 5.5 0.36 RSU Horizontally Polarized Antenna Channel Frequency (MHz) Channel Bandwidth (MHz) Max S (mW/cm 2 ) 2499 6.0 0.47 2593 6.0 0.56 2687 6.0 0.59 RSU Horizontally Polarized Antenna Channel Frequency (MHz) Channel Bandwidth (MHz) Max S (mW/cm 2 ) 2499 5.5 0.43 2593 5.5 0.55 2687 5.5 0.55 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 9-5 of 9 5/15/2006 ® Section 9 FCC ID: PHX-RSU2510S RF Exposure Information IC: 4022A-RSU2510S Test Conclusion: The NextNet Wireless, Inc., Expedience, RSU-2510-SV and RSU- 2510-SH Residential Subscriber Unit is below the limits for RF Exposure as detailed in FCC 47CFR1.1310 and Industry Canada RSS-102 requirements. The following information is included in the literature shipped with the RSU-2510- S: FCC / INDUSTRY CANADA INFORMATION NOTICE: This equipment has been tested and found to comply with the Radio Frequency Radiation Exposure Limits detailed below. A minimum of 20 centimetres (8 inches) separation between the RSU and the operator and all other persons should be maintained. This product complies with the requirements for Radio Frequency Radiation Hazard as defined in the F…

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Appendix FCC ID: PHX-RSU2510S Additional Analyzer Plots IC: 4022A-RSU2510S ADDITIONAL ANALYZER PLOTS TABLE OF CONTENTS RF POWER OUTPUT...............................................................................2 RF Power: 2 Watts.......................................................................................3 Bandwidth: 6.0 MHz.........................................................................3 Bandwidth: 5.5 MHz.........................................................................5 RF Power: 1 Milliwatt.................................................................................7 Bandwidth: 6.0 MHz.........................................................................7 Bandwidth: 5.5 MHz.........................................................................9 OCCUPIED/EMISSION BANDWIDTH....................................................11 Occupied BW.............................................................................................12 RF Power: 2 Watts...........................................................................12 Bandwidth: 6.0 MHz..................................................................12 Bandwidth: 5.5 MHz..................................................................14 Emission BW.............................................................................................16 RF Power: 2 Watts...........................................................................16 Bandwidth: 6.0 MHz..................................................................16 Bandwidth: 5.5 MHz..................................................................18 TRANSMIT SPURIOUS EMISSIONS.....................................................20 RF Power: 2W............................................................................................21 Freq Range: 9 kHz - 150 kHz..........................................................21 Freq Range: 150 kHz – 30 MHz......................................................23 Freq Range: 30 MHz – 1 GHz.........................................................25 Freq Range: 1 GHz – 2.48 GHz......................................................27 Freq Range: 2.7 GHz – 26.5 GHz...................................................29 3 rd Harmonic....................................................................................31 4th Harmonic...................................................................................32 5th Harmonic...................................................................................33 6th Harmonic...................................................................................34 7th Harmonic...................................................................................35 8th Harmonic...................................................................................36 9th Harmonic...................................................................................37 10th Harmonic.................................................................................38 NOTE: To display the plots for a particular item, simply click it. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-1 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF POWER OUTPUT ADDITIONAL ANALYZER PLOTS NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-2 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 2 Watts Bandwidth: 6.0 MHz Modulation: 16 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-3 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 2 Watts Bandwidth: 6.0 MHz Modulation: 64 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-4 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 2 Watts Bandwidth: 5.5 MHz Modulation: 16 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-5 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 2 Watts Bandwidth: 5.5 MHz Modulation: 64 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-6 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 1 Milliwatt Bandwidth: 6.0 MHz Modulation: 16 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-7 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 1 Milliwatt Bandwidth: 6.0 MHz Modulation: 64 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-8 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 1 Milliwatt Bandwidth: 5.5 MHz Modulation: 16 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-9 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S RF Power Output IC: 4022A-RSU2510S RF Power: 1 Milliwatt Bandwidth: 5.5 MHz Modulation: 64 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-10 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S Occupied/Emission Bandwidth IC: 4022A-RSU2510S OCCUPIED/EMISSION BANDWIDTH ADDITIONAL ANALYZER PLOTS NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-11 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S Occupied/Emission Bandwidth IC: 4022A-RSU2510S Occupied BW RF Power: 2 Watts Bandwidth: 6.0 MHz Modulation: 16 QAM 2499 MHz 2593 MHz 2687 MHz NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page A-12 of 38 5/15/2006 ® Appendix FCC ID: PHX-RSU2510S Occupied…

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Section 5 FCC ID: PHX-RSU2510S Test Report, Part 1 IC: 4022A-RSU2510S Section 5 Test Report Part 1 TABLE OF CONTENTS TEST EQUIPMENT LIST................................................................2 RF POWER OUTPUT.....................................................................4 Conducted RF Output Test Results..................................................................5 Conducted RF Power Output Plots...................................................................6 MODULATION CHARACTERISTICS (FCC)................................11 Modulation Characteristics Test Results Summary........................................12 UNWANTED EMISSIONS (INDUSTRY CANADA)......................22 Unwanted Emissions Test Results..................................................................24 OCCUPIED BANDWIDTH AND EMISSION BANDWIDTH..........31 Occupied and Emission Bandwidth Test Results Summary...........................32 Occupied Bandwidth Spectrum Analyzer Plots...............................................32 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5-1 of 36 5/15/2006 ® Section 5 FCC ID: PHX-RSU2510S Test Report, Part 1 IC: 4022A-RSU2510S Test Equipment List Test Equipment Description DUT NextNet Wireless Residential Subscriber Unit Model No. RSU-2510-S Bd ID No. D151486 Revision B Spectrum Analyzer Agilent E4440A S/N: MY44022791 Calibrated: 05/30/2004 Calibration due: 05/30/2006 Attenuator/Coaxial Cable (all applicable tests except harmonic frequencies) Calibrated by user MCE/Weinshel Attenuator 30 dB, 10W Model: 23-10-34, S/N. BN 9845 Calibrated by user Filter/Attenuator Assembly (harmonic frequency test only) High Pass Filter 4-18 GHz, P/N H04G18G2, S/N 89099 Microwave Circuits 10 dB/10W Attenuator, MCE/Weinshel Model: 23-20-34, S/N BT3845 Calibrated by user Computer (NN282) Dell Inspiron 4000 S/N: TW-09C748-12800-17Q-8612 Calibration not required Ethernet Switch D-Link Model: DSS-5+ 5 port 10/100Mbps S/N: B20544C017136 Calibration not required Power Supply, LX (All Tests Except Frequency Stability) OTE-17-13 13V, 1.3A S/N 5305 AC Power Source (Frequency Stability Test Only) Instek APS-9501 S/N: EF844094 Calibrated with voltmeter listed below. Digital Voltmeter HP 34401A S/N: MY45001201 Calibrated: 4-9-2005 Calibration due: 4-9-2007 Temperature Chamber Test Equity (N) S/N 10616 1000 Series Temperature verified with thermocouple listed below Temperature Sensor Fluke 89 IV True RMS Multimeter S/N 75760541, with K-Type Thermocouple NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5-2 of 36 5/15/2006 ® Section 5 FCC ID: PHX-RSU2510S Test Report, Part 1 IC: 4022A-RSU2510S Test Equipment List (Cont’d) Test Equipment Description Radiation Hazard Meter General Microwave Corporation RAHAM Model 3 Calibrated: 10-20-2005 Calibration Due: 10-20-2007 Max DC output measured by Fluke 89 IV True RMS Multimeter, S/N 75760541 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5-3 of 36 5/15/2006 ® Section 5 FCC ID: PHX-RSU2510S Test Report, Part 1 IC: 4022A-RSU2510S RF Power Output FCC Rules: 2.1046, 27.50(h)(2) IC Rules: RSS-193 clauses 3.2(f), 3.4, 4.3 SRSP-302.5 clause 5.3 FCC Requirement: 33 dBW EIRP (5.5 MHz or 6.0 MHz channel BW) IC Requirement: < 10 watts conducted < 8.3 dBW (6.7 W) in any 25 kHz bandwidth EIRP Standard: TIA-603-C TIA Standard, Land Mobile FM or PM Communications Equipment, Measurement and Performance Standards Test Procedure: The conducted RF output pow…

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