PHX-BTS2500CFixed Non-Line of Site Wireless Data Link

Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C Exhibit 8 Installation and Operation Manual NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 117 6/16/2005 ® i Configuring, Installing, and Using Carrier Infrastructure Broadband Wireless Access System Part Number: 104-0350-0004_DRAFT ii BaseConnect, Expedience, NetProvision, and ProvisionLink are trademarks of NextNet Wireless, Inc. ©2000-2005 NextNet Wireless, Inc. All rights reserved. Revision 4_3_C WARNING: This equipment has been tested with a 19 dBi gain antenna and found to comply with the FCC guidelines for Radio Frequency Radiation Exposure Limits as detailed below. For a single base 5 watt transmitter connected to the antenna, a minimum of 2 meters or 6.5 feet of separation between the antenna and all persons must be maintained. The minimum separation increases when additional base transmitting signals are combined and applied to the same antenna. Four base 5 watt transmitters combined to use a single antenna need a minimum separation of 4 meters or 13 feet from all persons. Radio Frequency Radiation Exposure Limits. f = frequency in MHz * = Plane-wave equivalent power density 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 can not exercise control over their exposure. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy, and, if not installed and used in accordance with the installation manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense. 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 0.3-3.06141.63*(100)6 3.0-301842/f4.89/f *(900/f 2 ) 6 30-30061.40.1631.06 300-1500——f/3006 1500-100,000——56 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.346141.63*(100)30 1.34-30824/f2.19/f *(180/f 2 ) 30 30-30027.50.073.230 300-1500——f/150030 1500-100,000——1.030 iii This Class A digital apparatus complies with Canadian ICES-003. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRENTY OF ANY KIND. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCT. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE 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 FOM A COUSRE 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 MANUAL, EVEN IF NEXTNET WIRELESS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. NextNet Wireless, Inc. recommends the antennas listed on the next page for base station installations: TABLE 2. Technical Information Transmitting power1m watts to 2 watts 1m watts to 5 watts (high power option) Operating voltage120 VAC nominal Frequency band2500 - 2686 MHz TX/RX Frequency stability±1.0 ppm Number of channels31 Channel bandwidth6 MHz ModulationOrthogonal frequency division multiplex TransmissionTime division duplex/time division multiplex iv Manufacturer:Stella Doradus Frequency Range:2500-2700 MHz NextNet Wireess Part Number Model / Part Number Polarization Gain (dBi) Azimuth Beam-width (Degrees) Elevation Beamwidth (Degrees) Special Characteristics Front to Back Ratio (dB) Cross Pol. Disc. (dB) Antenna Weight (lbs) Length (in) Width / Diame-ter (in) Depth (in) Windage 26SD9005H Horizontal 19 90 5 -- 32 28 35.2 63.0 9.1 5.5 237 lbs @ 125 mph 501-1009-2701 26SD9890NV Vertical 16 90 7 null fill 35 35 8.6 35.8 5.5 4.7 86 lbs @ 125 mph 501-1006-2701 26SD9860NV Vertical 17.5 60 7 null fill 40 30 8.75 35.8 5.5 4.7 86 lbs @ 125 mph 501-1002-2701 26SD98120NV Vertical 15 120 7 null fill 21 30 8.5 35.8 5.5 5.3 86 lbs @ 125 mph 501-3004-2601 26SD2360 Vertical 10 360 9 Omni N/A 26 2.86 43.3 1.9 -- 100 lbs @ 125 mph Manufacturer:Stella Doradus Frequency Range:3300-3600 MHz NextNet Wireess Part Number Model / Part Number Polarization Gain (dBi) Azimuth Beam-width (Degrees) Elevation Beamwidth (Degrees) Special Characteristics Front to Back Ratio (dB) Cross Pol. Disc. (dB) Antenna Weight (lbs) Length (in) Width / Diameter (in) Depth (in) Windage 501-1009-3401 35SD9890NV Vertical 16 90 7 null fill 35 35 5.4 28 5.5 4.7 67 lbs @ 125 mph 501-1006-3401 35SD9860NV Vertical 17.5 60 7 null fill 33 30 6.5 28 5.5 4.7 67 lbs @ 12…

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NextNet ® Wireless, Inc. Exhibit 13 Exhibit 13 Correspondence 9555 James Ave. South Suite 270 FCC ID: PHX-BTS2500C Bloomington, MN 55431 6/14/2005 Page 1 of 5 NextNet ® Wireless, Inc. Exhibit 13 Request for Confidentiality 6/14/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-BTS2500C 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. 9555 James Ave. South Suite 270 FCC ID: PHX-BTS2500C Bloomington, MN 55431 6/14/2005 Page 2 of 5 NextNet ® Wireless, Inc. Exhibit 13 Modification Letter 14/06/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-BTS2500C 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 FCC 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 FCC ID: PHX-BTS2500C Bloomington, MN 55431 6/14/2005 Page 3 of 5 NextNet ® Wireless, Inc. Exhibit 13 Warning Statements and Locations The following warning statement is located in the “Configuring, Installing, and Using Carrier Infrastructure” manual: WARNING: This equipment has been tested with a 19 dBi gain antenna and found to comply with the FCC guidelines for Radio Frequency Radiation Exposure Limits as detailed below. For a single base 5 watt transmitter connected to the antenna, a minimum of 2 meters or 6.5 feet of separation between the antenna and all persons must be maintained. The minimum separation increases when additional base transmitting signals are combined and applied to the same antenna. Four base 5 watt transmitters combined to use a single antenna need a minimum separation of 4 meters or 13 feet from all persons. 9555 James Ave. South Suite 270 FCC ID: PHX-BTS2500C Bloomington, MN 55431 6/14/2005 Page 4 of 5 NextNet ® Wireless, Inc. Exhibit 13 Manufacturer’s Letter 6/14/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: Certification Application FCC ID: PHX-BTS2500C 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 FCC Rules and Regulations. Thank you for your attention to this matter. Tim Blom NextNet Wireless, Inc. 9555 James Ave. South Suite 270 FCC ID: PHX-BTS2500C Bloomington, MN 55431 6/14/2005 Page 5 of 5

Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C Exhibit 2 Attestation Statement and Cover Letters NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 8 6/14/2005 ® Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C The measurements performed on the test sample for this FCC product certification were performed by me or by personnel under my direction. NextNet ® Wireless, Inc. Part Number: 900-0350-1xxx NextNet ® Wireless, Inc. Model Number: BTS-2500-C Tim Blom Principal Engineer NextNet ® Wireless, Inc. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2 of 8 6/14/2005 ® Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C Exhibit Summary Exhibit Section Contents 1 FCC ID Label / Location Information 2 Attestation Statement and Cover Letters 3 External Photographs 4 Block Diagrams 5 Schematics 6 Test Report, documents 1 and 2 (Part 27 compliance) 7 Test Setup Photographs 8 Installation and Operating Manual 9 Internal Photographs 10 Parts List 11 RF Exposure Information 12 Operational Description 13 Correspondence NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3 of 8 6/14/2005 ® Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C Cover Letters Gentlemen: This report is being submitted to the Federal Communications Commission for the certification of equipment pursuant to 47 CFR Telecommunication CHAPTER I FEDERAL COMMUNICATIONS COMMISSION, Parts 0, 1, 2, 15, and 27 as published in the Federal Register on June 1 st , 2005. FCC Rule Part Description Response 0.457dii Records not routinely available for public inspection See Exhibit 13 0.459 Requests that materials or information submitted to the Commission be withheld from public inspection. See Exhibit 13 Part 27 “Application for Certification” requirements 2.947 Measurement procedure: (a) The Commission will accept data which have been measured in accordance with the following standards or measurement procedures: (1) Those set forth in bulletins or reports prepared by the Commission's Office of Engineering and Technology. These will be issued as required, and specified in the particular part of the rules where applicable. (2) Those acceptable to the Commission and published by national engineering societies such as the Electronic Industries Association, the Institute of Electrical and Electronic Engineers, Inc., and the American National Standards Institute. (3) Any measurement procedure acceptable to the Commission may be used to prepare data demonstrating compliance with the requirements of this chapter. (b) Information submitted pursuant to paragraph (a) of this section shall completely identify the specific standard or measurement procedure used. Information detailed with each test. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4 of 8 6/14/2005 ® Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C ® FCC Rule Part Description Response (c) In the case of equipment requiring measurement procedures not specified in the references set forth in paragraphs (a) (1) and (2) of this section, the applicant shall submit a detailed description of the measurement procedures actually used. (d) A listing of the test equipment used shall be submitted. 2.1033(c) Applications for equipment other than that operating under parts 15 and 18 of the rules shall be accompanied by a technical report containing the following information: 2.1033(c)1 The full name and mailing address of the manufacturer of the device and the applicant for certification. NextNet ® Wireless, Inc. 9555 James Avenue South, Suite 270 Bloomington, MN 55431 2.1033(c)2 FCC identifier. PHX-BTS2500C 2.1033(c)3 A copy of the installation and operating instructions to be furnished the user. A draft copy of the instructions may be submitted if the actual document is not available. The actual document shall be furnished to the FCC when it becomes available. See Exhibit 8 2.1033(c)4 Type or types of emission. 27.53(l): Digital OFDM / 5M15W7D OFDM / 5M53W7D 2.1033(c)5 Frequency range. 2496 – 2690 MHz 2.1033(c)6 Range of operating power values or specific operating power levels, and description of any means provided for variation of operating power. 0.001 Watts – 5 Watts Power set point is adjustable by system operator. 2.1033(c)7 Maximum power rating as defined in the applicable part(s) of the rules. 27.50(h)(1)(i): 33 dBW EIRP See Exhibit 6 2.1033(c)8 The DC voltages applied to and DC currents into the several elements of the final radio frequency amplifying device for normal operation over the power range. See Exhibit 4 2.1033(c)9 Tune-up procedure over the power range, or at specific operating power levels. See Exhibit 12 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5 of 8 6/14/2005 Exhibit 2 Attestation Statement FCC ID: PHX-BTS2500C ® FCC Rule Part Description Response 2.1033(c)10 A schematic diagram and a description of all circuitry and devices provided for determining and stabilizing frequency, for suppression of spurious radiation, for limiting modulation, and for limiting power. See Exhibit 5 and Exhibit 12 2.1033(c)11 A photograph or drawing of the equipment identification plate or label showing the information to be placed thereon. See Exhibit 1 2.1033(c)12 Photographs (8”x10”) of the equipment of sufficient clarity to reveal equipment construction and layout, including meters, if any, and labels for controls and meters and sufficient views of the internal construction to define component placement and chassis assembly. Insofar as these requirements are met by photographs or drawings contained in instruction manuals supplied with the certification request, additional photographs are necessary only to complete the required showing. See Exhibit 3 and Exhibit 9 2.1033(c)13 For equipment employing digital modulation techniques, a detailed description of the modulation system to be used, including the response…

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Exhibit 3 External Photographs FCC ID: PHX-BTS2500C Exhibit 3 External Photographs NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 5 6/14/2005 ® Exhibit 3 External Photographs FCC ID: PHX-BTS2500C Top View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2 of 5 6/14/2005 ® Exhibit 3 External Photographs FCC ID: PHX-BTS2500C Top View With Channel Filter (5W Versions Only) NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3 of 5 6/14/2005 ® Exhibit 3 External Photographs FCC ID: PHX-BTS2500C Bottom View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4 of 5 6/14/2005 ® Exhibit 3 External Photographs FCC ID: PHX-BTS2500C Power Jack End View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5 of 5 6/14/2005 ®

Exhibit 1 FCC ID: PHX-BTS2500C Labeling Requirements Exhibit 1 Labeling Requirements and Information NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 3 6/14/2005 ® Exhibit 1 FCC ID: PHX-BTS2500C Labeling Requirements 6/14/2005 NextNet ® Wireless, Inc. 9555 James Avenue South Suite 270 Bloomington, MN 55431 RE: FCC Labeling Requirements FCC ID: PHX-BTS2500C NextNet Wireless, Inc. Model: BTS-2500-C The following label information is required by the FCC Rules and Regulations 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 of 3 6/14/2005 ® Exhibit 1 FCC ID: PHX-BTS2500C Labeling Requirements The following FCC / Industry Canada label will be attached to the BTS-2500-C product with a permanent adhesive. BTS-2500-C Label Example FCC Label Location Photograph Showing Label Location On Product NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3 of 3 6/14/2005 ®

Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C Exhibit 9 Internal Photographs NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 6 6/14/2005 ® Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C ® Power Supply Board RFBoard Logic Board Chassis With Cover Removed Chassis Without Boards NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2 of 6 6/14/2005 Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C RF Board Top View With Shields Installed RF Board Top View Without Shields Installed NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3 of 6 6/14/2005 ® Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C RF Board Bottom View Logic Board Top View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4 of 6 6/14/2005 ® Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C Logic Board Bottom View Interconnect Board Front View Interconnect Board Back View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 5 of 6 6/14/2005 ® Exhibit 8 Installation and Operation Manual FCC ID: PHX-BTS2500C Power Supply Board Top Side View Power Supply Board Bottom View NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 6 of 6 6/14/2005 ®

Exhibit 11 RF Exposure Information FCC ID: PHX-BTS2500C Exhibit 11 RF Exposure Information NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 6 6/14/2005 ® Exhibit 11 RF Exposure Information FCC ID: PHX-BTS2500C 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 NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 2 of 6 6/14/2005 ® Exhibit 11 RF Exposure Information FCC ID: PHX-BTS2500C Radio Frequency Radiation Exposure Evaluation Calculations: The NextNet Wireless Expedience Base Station can operate at a maximum of 5 watts (37 dBm) average power while transmitting. The Base Station is capable of transmitting at a 100 % duty cycle while in test mode. The NextNet Wireless Base Station does not contain an integral antenna; therefore testing will be performed on antennas that are recommended by NextNet Wireless for installation. The maximum vertical polarization antenna gain that has been tested is 19 dBi. Therefore the maximum radiated transmit power is as follows: 100 % Transmit duty cycle: Pmax = Ptx + G(antenna) Pmax = 37 (dBm) + 19 (dBi) = 37 + 19 Pmax = 56 dBim = 398.1 Watts EIRP < 1640 Watts EIRP The maximum horizontal polarization antenna gain that has been tested is 19 dBi. Therefore, the maximum radiated transmit power is as follows: 100 % Transmit duty cycle: Pmax = Ptx + G(antenna) Pmax = 37 (dBm) + 19 (dBi) = 37 + 19 Pmax = 56 dBim = 398.1 Watts EIRP < 1640 Watts EIRP NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 3 of 6 6/14/2005 ® Exhibit 11 RF Exposure Information FCC ID: PHX-BTS2500C Radio Frequency Radiation Exposure Evaluation 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 and part 1.1310 (A) Limits for Occupational/Controlled Exposures. 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”. It is noted that the formulas from Bulletin 65 are for prediction of power density in the far-field of the antenna and will over predict the requirements in the near-field. The maximum power level from the previous calculations will be used. S = EIRP/4 πR 2 or R = (EIRP/4πS)^0.5 EIRP = 398.1 W EIRP = 398,100 mW EIRP S = 1 mW/cm 2 R = (398100/(4*π*1))^0.5 R = 177.988 cm S = 5 mW/cm 2 R = (398100/4*π*5)^0.5 R = 79.598 cm The calculated safe distance from a transmitting antenna for the general population is 178 cm for a point source radiation element and 79.6 cm for occupational exposure. The antennas recommended by NextNet Wireless to be used for base site installations are phased array patch antennas. A measurement of the radiation hazard level at 200 cm (2 meters) will be measured and the distance from the antenna to achieve 1 mW/cm 2 of RF power are both detailed below. NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 4 of 6 6/14/2005 ® Exhibit 11 RF Exposure Information FCC ID: PHX-BTS2500C Radio Frequency Radiation Exposure Evaluation Test Procedure: The NextNet Wireless, Inc. Expedience system operates as a Time Division Duplex (TDD) product with a Time Division Multiplex (TDM) frame structure. Because the base station is capable of transmitting at a 100% duty cycle in test mode, radiation hazard testing is performed with the maximum exposure potential. To measure the RF Exposure, the base station transmitter is enabled in a test mode and transmitting random data at the 5-watt power level into the antenna. Measurements are performed at low, mid, and high channels. Test Conditions: Frequency = 2503, 2593, 2683 MHz Temperature = 25°C Supply Voltage = 48 VDC Test Equipment: DUT NextNet Wireless Base Transceiver Station Model No. BTS-2500-C RF Board P/N 123-0150-0100 Logic Board P/N 123-0150-0200 Logic Board S/N 0150-0200-4500-145 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 48V (All Tests Except Frequency Stability) Lambda Model JWS600-48 S/N VVG-158C02-0082W050 Radiation Hazard Meter General Microwave Corporation RAHAM Model 3 Calibrated: 10-14-2003 Calibration due: 10-14-2005 Test Set-Up: DUT RF Probe Computer NextNet Wireless, Inc. 9555 Jame…

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Exhibit 5 Schematic Diagrams FCC ID: PHX-BTS2500C Exhibit 5 Schematic Diagrams NextNet Wireless, Inc. 9555 James Ave. South Suite 270 Bloomington, MN 55431 Page 1 of 14 6/14/2005 ® 55 44 33 22 11 D D C C B B A A +3V +3V +3V +3V +5A -5V +3V +3V +5A +5A PA_OUT RX_EN RX_EN RX_EN RX_LO RXI_DATA_B-RXI_DATA_B+ RXQ_DATA_A+RXQ_DATA_A- RX_EN RX_EN TitleSize Document Number Rev Date: Sheet of 125-0150-0100 9 A-MOD 2.6 GHz BASE RF - Receiver Section D 16 Friday, April 22, 2005 C:\PROJECTS\RLS\0150\135-0150-0100-04\135-0150-0100-09.DSN Variant Name = <Core Design>TitleSize Document Number Rev Date: Sheet of 125-0150-0100 9 A-MOD 2.6 GHz BASE RF - Receiver Section D 16 Friday, April 22, 2005 C:\PROJECTS\RLS\0150\135-0150-0100-04\135-0150-0100-09.DSN Variant Name = <Core Design>TitleSize Document Number Rev Date: Sheet of 125-0150-0100 9 A-MOD 2.6 GHz BASE RF - Receiver Section D 16 Friday, April 22, 2005 C:\PROJECTS\RLS\0150\135-0150-0100-04\135-0150-0100-09.DSN Variant Name = <Core Design> 5V 0V LAYERS 1-2 L=.090W=.016 LAYERS 1-2 L=.210W=.016 LAYERS 1-2 L=.030W=.016 LAYERS 1-2 L=.030,W=.007 LAYERS 1-2 L=.030,W=.016 LAYERS 1-2 L=.090,W=.016 LAYERS 1-2 L=.210,W=.016 LAYERS 1-2 L=.030,W=.016 LAYERS 1-2 L=.030,W=.005 50 50 50 50 50 80 OHMS 80 OHMS 50 LAYERS 1-3W=.037 LAYERS 1-3 50 W=.037 L=.030W=.016 LAYERS 1-2 50 50 50 50 50 50 50 50 50 50 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 LAYERS 1-2 L=.035W=.016 L=.035 L=.035 50 50 RF INPUT FROM ANT. REC-ON Company Confidential NEXTNET WIRELESS INC. +18V RAW VOLTAGE FROM POWER SUPPLY+3VNAME DESCRIPTIONGND ALL SIGNALSSUPPLY VOLTAGE DEFINITIONS+10VTX CONTINUES VOLTAGE TO TX SWT+5VC CLEAN TO SPECIAL LINEAR CIRCUITS+6V TO LINEAR REGULATORS/ LEDSV10S SWITCHED VOLTAGE TO PA+10VSYN CLEAN VOLTAGE TO SYNTHESIZER+5A VOLTAGE TO ALL LINEAR CIRCUITSV5S SWITCHED VOLTAGE TO EXCITER5VTX CONTINUES VOLTAGE TO 5VTX SWT-5V INTERFACE = 0-199's TRANSMITTER = 700-899'sVCO/SYNTHESIZER = 900'sRECEIVER = 500-699'sLOGIC = 200-499's REFERENCE DESIGINATOR ASSIGNMENTS- LAYERS 1-2W=.016 L=.179 GND STUBS GND STUBS W.030 L=.035LAYERS 1-2 LAYERS 1-2W=.016 L=.030 LAYERS 1-2W=.016 L=.030 LAYERS 1-2W=.016 L=.050 LAYERS 1-2 LAYERS 1-2W=.016 L=.030 LAYERS 1-2W=.016 L=.110 LAYERS 1-2W=.016 L=.630 LAYERS 1-2W=.016 LAYERS 1-2 50 LAYERS 1-2 50 Q I LAYERS 1-2W=.016 L=.030 50 50 L=.035W=.016 Last Revision: 4/21/05 125-0150-0100 9 123-0150-0100 A-MOD 2.6GHz BASE RF SCHEMATIC NUMBER REV.LEVEL (CORE DESIGN) 125-0123-0100 THIS IS A COMMON PCB LAYOUT TO BE FOR MULTIPLE BASE STATION RF BOARD PRODUCTS. BOM REFERENCE 2 123-0123-0100 A-MOD 2.3-2.5GHz BASE RF TITLE REVISIONS REV.8 ECO#E05008 2/2/05 CHANGED MAIN PC BOARD TO:135-0123-0100-01 REV.9 ECO#E05009 4/21/05 Changed: R744,C754, MP23-28.Added R731 and R763 p.4. + C567470uF + C567470uF C527 4.7PF C527 4.7PF TP12TP12 R567 6.81K 1% R567 6.81K 1% G DS Q501 ZXM61N02F Q501 ZXM61N02F R575 30.1 1% R575 30.1 1% 3 2 1 4 IN OUT GND U505 MGA-72543 IN OUT GND U505 MGA-72543 C530 1.5PF C530 1.5PF R526 9.09K 1% R526 9.09K 1% R551 JIC/0805 R551 JIC/0805 L509 18nH L509 18nH R518 2.2 R518 2.2 LO1 3 N/C 4 4 N/C 27 27 IF1 29 LO2 6 N/C 5 5 RF1 22 N/C 9 9 N/C 10 10 N/C 11 11 IF2 12 N/C 13 13 N/C 14 14 N/C 15 15 N/C 16 16 N/C 17 17 N/C 18 18 RF2 19 N/C 20 20 N/C 21 21 N/C 23 23 N/C 25 25 N/C 26 26 N/C 28 28 N/C 24 24 N/C 30 30 N/C 31 31 N/C 32 32 PKG/GND 35 PKG/GND 36 PKG/GND 37 PKG/GND 33 PKG/GND 34 PKG/GND 38 PKG/GND 39 PKG/GND 40 PKG/GND 41 N/C 1 1 N/C 2 2 N/C 7 7 N/C 8 8 U508 HMC340LP5 U508 HMC340LP5 C526 5.0PF C526 5.0PF C516 5.0PF C516 5.0PF C548 5.0PF C548 5.0PF C5012.7PFC5012.7PF R507 10K R507 10K L50018nHL50018nH C545 JIC/0805 C545 JIC/0805 V2 4 V3 3 V4 2 RF2 6 VIA 15 RF1 10 V1 5 VIA 12 VIA 13 VIA 14 V5 1 VIA 11 GND 9 GND 8 GND 7 VIA 16 8dB4dB2dB1dB 16dB GND/VIAS U507 HMC273MS10G 8dB4dB2dB1dB 16dB GND/VIAS U507 HMC273MS10G C5723.3uFC5723.3uF G DS Q507 ZXM61N02F/JIC Q507 ZXM61N02F/JIC C535 1.8PF C535 1.8PF J501 MCX J501 MCX R521 0 R521 0 R5201.0KR5201.0K C560 22uF C560 22uF CR501BAR63-02CR501BAR63-02 R541 10K R541 10K G DS Q502ZXM61N02FQ502ZXM61N02F RF in 1 RF out 2 Gnd 3 BPF Z502 2593MHz BPF Z502 2593MHz R574 909.0 1% R574 909.0 1% C521 1.8PF C521 1.8PF C565 1800PF 1% C565 1800PF 1% L5123.9uH2%L5123.9uH2% R508 1.00K 1% R508 1.00K 1% L5132.7uH2%L5132.7uH2% R577 6.81K 1% R577 6.81K 1% G D S1 S2 Q503ATF-33143 G D S1 S2 Q503ATF-33143 R506 51 R506 51 C505 5.0PF C505 5.0PF C574 470PF C574 470PF C538 1.0PF C538 1.0PF R552 1.0K R552 1.0K R530 22.1 1% R530 22.1 1% C529 .018uF C529 .018uF C515 1.0uF C515 1.0uF R557 100 R557 100 C506 .018uF C506 .018uF R571 4.99K 1% R571 4.99K 1% R516 4.7K R516 4.7K 43 1 52 VCCVSS U511 LMH6624MF VCCVSS U511 LMH6624MF C550 JIC/0402 C550 JIC/0402 L507 1.5nH 5% L507 1.5nH 5% R540 10K R540 10K C569 10uF C569 10uF C573 22uF C573 22uF C518 1.0uF C518 1.0uF R548 430 R548 430 INPUTGND + R502 50 INPUTGND + R502 50 C541 4.7PF C541 4.7PF R57045.31%R57045.31% R550 430 R550 430 L50218nHL50218nH 1 23 4 5ABCDEFGH GND/VIAS 5(A-H) Z503 1P603 GND/VIAS 5(A-H) Z503 1P603 L5032.7nHL5032.7nH R50910.0K 1%R50910.0K 1% C546 1.2PF C546 1.2PF C549 .018uF C549 .018uF R524 45.3 1%R524 45.3 1% R568 6.81K 1% R568 6.81K 1% C561 470PF C561 470PF C5121.2PFC5121.2PF C524 5.0PF C524 5.0PF L51018nHL51018nH C544 JIC/0402 C544 JIC/0402 L504 1.2nH 5% L504 1.2nH 5% C502 5.0PF C502 5.0PF C562 22uF C562 22uF C528 5.0PF C528 5.0PF CR502 BAR63-02 CR502 BAR63-02 C532 5.0PF C532 5.0PF C547 5.0PF C547 5.0PF R511 2.2 R511 2.2 C…

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