NNSRTU2000-99CPE Roof Unit Transceiver, 200 milliWatt

Exhibit 8 FCC ID: NNSRTU2000-99 Page 1 of 413 October 1999 Exhibit 8 – Users Manual SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit: Operating Instructions for the SpectraPoint CPE Roof Unit Transceiver (Stand-Alone Configuration) The SpectraPoint Wireless Customer Premises Equipment Roof Unit transceiver, under operational conditions is under control of the SpectraPoint Element Controller and Network Management software which automatically determines the operating frequencies and power levels and monitors the performance of the system. The User Manuals delivered with the SpectraPoint System describes the installation of the entire system but does not include stand-alone operation of the individual components of the system. Therefore, this document describes the equipment setup and operation employed for stand-alone operation of the CPE Roof Unit transceiver, as applicable to compliance testing. For stand-alone testing such as functional checkout or compliance testing, this user’s manual provides the instructions so that the Roof Unit transceiver may be operated at maximum rated output power with automatic power control disabled. In addition, the Roof Unit may be commanded to various operating frequencies within the allocated band of operation and modulated with actual or simulated IF input signals. Exhibit 8 FCC ID: NNSRTU2000-99 Page 2 of 413 October 1999 Instructions for Stand-Alone Operation of the CPE Roof Unit Transceiver 1.0 Scope This document provides the instructions for operation of a single CPE Roof Unit transceiver for test purposes (i.e., without the control of the SpectraPoint System). 2.0Introduction The CPE Roof Unit transceivers, when operating under control of the SpectraPoint System, receive an RF reference tone and QPSK modulated RF signals (downstream T1 telephony, digitized video or digital data) from one or more SpectraPoint Node Transmitters (LMDS hub). The CPE Roof Unit likewise transmits a QPSK modulated RF signal (upstream) from the CPE Network Interface Unit (NIU) to the SpectraPoint Node Receivers (LMDS hub). For test purposes, the QPSK modulated input signal to the Roof Unit transmitter, at the appropriate center frequency, modulation, bandwidth and level must be provided by test hardware and software which is defined in this document. 3.0Interconnection of Support Equipment The interconnection of the CPE Roof unit with the test fixture and support equipment is shown in figure 8-1. The support hardware and software is shown in Table 8-1. Using this support test equipment, the CPE Roof Unit will produce a single QPSK phase modulated output at user-selected bandwidths (as in the SpectraPoint System). 4.0 Description of the Test and Support Equipment The support equipment required to operate the CPE Roof Unit in a stand-alone mode is shown in Figure 8-1 and consists of: • DC power source for the Roof Unit electronics card • transmit enable signal • DC Blocks for both the transmit and receive cables to protect the signal sources and test equipment • source of the QPSK digitally-modulated signal (Rohde & Schwarz AMIQ Arbitrary Waveform Generator and SMIQ Vector Signal Generator) • Personal Computer with WinSim software to generate the QPSK I and Q Signals at the AMIQ Exhibit 8 FCC ID: NNSRTU2000-99 Page 3 of 413 October 1999 Personal Computer (WinSim Software) (IEEE-488 Interface) AMIQ Arbitrary Waveform Generator SMIQ Vector Signal Generator CPE Roof Unit Test Fixture CPE Roof Unit 75 Ω Cable I/F Input to Transmit Portion and Transmit Enable 75 Ω Cable I/F Output from Receive Portion and DC Power HP 8564E Spectrum Analyzer 120 VAC 60 Hz Power Input Figure 8-1 CPE Roof Unit Test and Support Equipment Exhibit 8 FCC ID: NNSRTU2000-99 Page 4 of 413 October 1999 4.1 Generation of QPSK Test Signals Test signals for the CPE Roof Unit, simulating I/F input from the SpectraPoint Network Interface Unit (NIU), are generated in the AMIQ and transferred by operator command to the SMIQ. The WinSim software program is launched by double-clicking on the WinSim icon or by selection from the Windows Program Start menu. The modulation parameters may be manually entered through the PC keyboard or recalled from predefined parameters stored on disk. The NIU is capable of generating QPSK-modulated signals ranging from approximately1.5 MHz bandwidth to 14.5 MHz bandwidth depending on a variety of operating rates and error correction schemes required for reliable operation of an SpectraPoint LMDS installation. The CPE Roof Unit test and support equipment has the capability to simulate these complex signals and provide the DC power and enable command to operate the unit for test and analysis. 4.2 Test Signals Two standard signals are stored as data files on disk, one having a low data rate representing the narrowest bandwidth signal that will be produced by the NIU in operation, and one having a high data rate representing the widest bandwidth signal that will be produced by the NIU in operation. Refer to Table 8-1 for these parameters. Table 8.1 Parameters for Rohde & Schwarz AMIQ Modulation Setup AMIQ Window ParameterSetting Data SourcePRBSPRBS 9 ModulationCodingNone ModulationTypeQPSK ModulationSequence Length10,000 ModulationFilter FunctionRoot Cosine ModulationWindow FunctionRect ModulationSymbol Rate1.240 MSps for min BW 10.851 MSps for max BW ModulationOversampling3 MainSampling Rate83.700MHz MainSamples30,000

Exhibit 2 Page 1 of 1FCC ID: NNSRTU2000-99 10/13/99 Exhibit 2 – Attestation Statement Spectrapoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number: RTU2000-28-2 1.0Certification of Data The technical data supplied with this application, having been taken under my supervision, is hereby duly certified. This is a statement of my qualifications: BSEE 1974, University of Michigan, Ann Arbor, Michigan 25 years experience in EMC Engineering design and test Name:James Dykema Date:13 October 1999 Position:Sr. Staff Engineer I hereby certify that the above application was prepared under my direction and that to the best of my knowledge and belief, the facts set forth in the application and accompanying technical data are true and correct. Name:J. Michael Grizzaffi Date:13 October 1999 Position:Agency Test Manager, SpectraPoint Wireless LLC

Radio Frequency Energy Exposure PRODUCT SpectraPoint Customer Premise Equipment (CPE 1.3) Model RTU2000-28-2 SPECIFICATION IEEE C95.1:1991 Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz, 27 Apr. 1992. 47 CFR 1.1310 Radio Frequency Radiation Exposure Limits. SYNOPSIS Exposure to excessive levels of rf energy may be unsafe. The IEEE C95.1:1991 specifies requirements over the frequency range of 3 kHz to 300 GHz. 47 CFR 1.1310 has specific requirements applicable to use within the United States. At some frequencies these requirements are more severe than those in the IEEE standard. PRODUCT COMPLIANCE SUMMARY Yes PRODUCT COMPLIANCE DETAIL This product complies with the requirements of the referenced specifications when operated within the conditions defined as follows: None necessary for its present configuration and intended state of use. REFERENCE RF Energy Exposure Assessment Report, 11/08/99.

Exhibit 4 Page 1 of 2FCC ID: NNSRTU2000-99 10/13/99 Exhibit 4 – Roof Unit Block Diagram SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit Figure 4-1 CPE Roof Top Unit Detailed Block Diagram The Spectrapoint Wireless CPE Roof Top Unit Block Diagram is shown in page 2 of this exhibit. Exhibit 4 Page 2 of 2FCC ID: NNSRTU2000-99 10/13/99 Figure 4-1 CPE ROOF UNIT BLOCK DIAGRAM

Exhibit 13 FCC ID: NNSRTU2000-99 Page 1 of 1 October 13, 1999 Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Enclosed is an Application for Equipment Authorization and supporting exhibits for a SpectraPoint Wireless LLC, Solid-State Microwave Transceiver, FCC ID: NNSRTU2000-99, intended for use in the Local Multipoint Distribution Service (LMDS), under 47 CFR, Part 101. The transceiver contains a 200 milliwatts transmitter operating as an LMDS subscriber station in the 27.5-to-28.35 GHz LMDS band. Sincerely, James W. McCoy Vice President and Chief Technical Officer SpectraPoint Wireless LLC Exhibit 13 -- Cover Letter SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number: RTU2000-28-2

Federal Communications Commission FCC Applications Processing Branch Columbia MD Attention: Mr. Frank Coperich Re: 1) FCC ID NNSRTU2000-99 2) 731 Confirmation No. EA95653 3) Correspondence Reference No. 11948 Regarding your comment 1 (“..need to see modulated spectrum for both the highest and lowest frequency”): The transmitter portion of this unit is intended for operation only in a 360 MHz band from 27.890 GHz to 28.350 GHz. The unit will have a transmission bandwidth from approximately 1.5 MHz to 15 MHz, depending on system data rates. For all Certification tests, the unit was tuned to low, medium and high center frequencies within the operational band at both the narrowest and widest operational bandwidths. The higher tuned frequencies are near the upper LMDS band edge (28.350 GHz) and detail scans are presented in the test report showing compliance at the band edge (Figures C-3b on page 31 and C-6b on page 33). However, since the lower tuned frequencies are almost 500 MHz above the lower LMDS band edge, the emission mask would not be visible on scans of the lower tuned frequencies with the Spectrum Analyzer set to the same span as for the detailed scans for the higher tuned frequencies, and therefore were not included in this section of the test report. Spectrum analyzer scans with a wide span (25.425 to 30.425 GHz) are included in the test report for low, mid and high tuned frequencies and for both wide and narrow bandwidths (refer to Figures C-1, C-2, C-3a, C-4, C-5 and C-6a). The 5 GHz span covers the +/- 250 % of the authorized LMDS band and shows the emission mask over that entire region. These scans indicate the emissions from the CPE Roof Unit transmitter at the various tuned frequencies and bandwidths as well as the regions where the limit is –56 dBc. For narrower-span scans of the low and mid tuned frequencies for both wide and narrow bandwidths, refer to the occupied bandwidth scans in the test report, Figures B-1, B-2, B-4 and B-5. These do not show the emission mask but do show the spectrum of the QPSK signal. Regarding your comment 2 (If a lesser spectrum analyzer resolution bandwidth .....”): The emission limit has been vertically displaced by 10 Log 10 (RBW/1MHz) to account for the narrower RBW. For instance, the emission mask in Figure C-3b was adjusted lower by 20 dB to compensate for the 10 kHz RBW. The limit at 28.350 GHz is 60.3 dB below the mean power output of the Roof Unit when measuring with a 10 kHz RBW. The emission mask in Figure C-6b was adjusted lower by 10 dB to compensate for the 100 kHz RBW. The limit at 28.350 GHz is 50.3 dB below the mean power output of the Roof Unit when measuring with a 100 kHz RBW. We believe these Certification tests have been performed consistent with the methods you prefer. Also, the scans you question were omitted because these tuned frequencies are far from the band edge and were shown in detail in the occupied bandwidth test results. We hope that this letter satisfactorily provides the answers to your two questions – we feel the data you requested is contained in the Certification test report (Exhibit 6). However, if you desire more test data, please advise and we will perform those tests and submit the test data to you. Regards, E. W. Paschetag

Frank Coperich Federal Communications Commission Equipment Approval Services Washington, D.C. 20554 February 18, 2000 Subject: Response to Correspondence Attachment: 1. FCC revised label drawing 2. RF Energy Attestation statement 3. RF Energy Exposure Assessment Record for CPE Roof Unit RTU2000-28-2 Correspondence Reference Number: 12212 731 Confirmation Number: EA95653 This letter address questions submitted in the referenced correspondence. The response is by numerical order as addressed in the request. I have attached test data taken by the Motorola, Hayden EMC Lab. This test data was taken on a representative equipment that will be deployed once the certification is approved by the FCC. In addition, please note the calculated exposure results in exhibit 11, submitted to the Equipment Approval Services office on 19 October 1999. The calculations in Exhibit 11 were made using OET Bulletin 65 as a guide. Both of these documents state that the CPE roof unit does not emit RF in excess of the limits stated in FCC or IEEE standards. Note that in table 1 of 47 CFR 101, paragraph 1.1307, the LMDS requirement for a warning label is for an EIRP greater that 1640 watts for building mounted antennas. Exhibit 10 in the original application gives instructions for roof top mounting of the CPE Roof Top Unit on buildings. The CPE roof unit has an input power to the antenna terminals of 23 dBm and with an antenna gain of 38 dBi, the total EIRP is 58 dBm or 1259 watts. That power level is 382 watts lower than the minimum EIRP required for a warning label. Although the quantifiable data does not support the requirements for addition of a warning label, Spectrapoint Wireless is very sensitive to, and concerned for the safety of personnel that could be exposed to any form of harmful RF radiation. For that reason, we will place a warning label on all intentional radiator products. The attached label thus, conforms to the FCC "suggested" label wording with a separation distance that is more than adequate for proper safety in an uncontrolled environment. Respectively submitted: Mike Grizzaffi, Agency Test Manager Bob Melvin, General Council

Exhibit 3 Page 1 of 4FCC ID: NNSRTU2000-99 10/13/99 Exhibit 3 – External Photos SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit EXTERNAL PHOTOS SpectraPoint Wireless CPE Roof Unit ID external view photos. The following list of photos is provided in this exhibit: Figure 3.1 CPE Roof Unit Side view with radome, Page 2 Figure 3.2 CPE Roof Unit Front view with radome, Page 3 Figure 3.3 CPE Roof Unit Rear view, Page 4 Exhibit 3 Page 2 of 4FCC ID: NNSRTU2000-99 10/13/99 Figure 3.1 CPE Roof Unit Side view with radome Exhibit 3 Page 3 of 4FCC ID: NNSRTU2000-99 10/13/99 Figure 3.2 CPE Roof Unit Front view with radome Exhibit 3 Page 4 of 4FCC ID: NNSRTU2000-99 10/13/99 Figure 3.3 CPE Roof Unit Rear view

Exhibit 1 – ID Label/Location Information SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number: RTU2000-28-2 Information Provided in this Exhibit a) Label Drawings SpectraPoint Wireless drawing 3214978 is the artwork for the CPE Roof Unit ID labels. Sheet 1 of this drawing (shown on page 2 of this exhibit) contains notes pertaining to the labels and sheet 5 (shown on page 3 of this exhibit) contains the artwork for the -004 label. b) CPE Roof Unit Top Assembly Drawings SpectraPoint Wireless drawing 3215390 sheet 1, shown on page 4 of this exhibit, is a drawing for the CPE Roof Unit. The location of the label is shown on this drawing. 10/13/99 Page 1 of 4 FCC ID: NNSRTU2000-99 EXHIBIT 1 10/13/99 Page 2 of 4 FCC ID: NNSRTU2000-99 EXHIBIT 1 10/13/99 Page 3 of 4 FCC ID NNSRTU2000-99 EXHIBIT 1 10/13/99 Page 4 of 4 FCC ID: NNSRTU2000-99 EXHIBIT 1

Exhibit 9 Page 1 of 5FCC ID: NNSRTU2000-99 10/13/99 Exhibit 9 – Internal Photos SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit Internal Photos of CPE Roof Unit Photographs of the Customer Premises Equipment Roof Unit Transceiver chassis and Electronics Board are shown on pages 2 through 5 of this exhibit. a). Figure 9-1 Roof Unit Electronics Board b). Figure 9-2 CPE Roof Unit with Electronics Board Cover Removed c). Figure 9-3 CPE Roof Unit with Electronics Board Cover Removed (Close up view) d). Figure 9-4 CPE Roof Unit With Radome Removed Exhibit 9 Page 2 of 5FCC ID: NNSRTU2000-99 10/13/99 Figure 9-1 Roof Unit Electronics Board Exhibit 9 Page 3 of 5FCC ID: NNSRTU2000-99 10/13/99 Figure 9-2 CPE Roof Unit with Electronics Board - Cover Removed Exhibit 9 Page 4 of 5FCC ID: NNSRTU2000-99 10/13/99 Figure 9-3 CPE Roof Unit with Electronics Board - Cover Removed (Close up view) Exhibit 9 Page 5 of 5FCC ID: NNSRTU2000-99 10/13/99 Figure 9-4 CPE Roof Unit With Radome Removed

Exhibit 12 Page 1 of 3FCC ID: NNSRTU2000-99 10/13/99 Exhibit 12 – Operational Description SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit: Operational description of CPE Roof Unit Exhibit 12 Page 2 of 3FCC ID: NNSRTU2000-99 10/13/99 Operational Description of CPE Roof Top Unit The SpectraPoint ® LMDS system is designed to transport a variety of broadband wireless services to customers. This LMDS system is capable of delivering up to 240 MHz of contiguous bandwidth of data services to customers in an area of up to 5 Km radius from a central base station. The same frequency spectrum may be reused in similar sectors throughout a given metropolitan area. The two basic parts that make up the SpectraPoint ® LMDS system are the Base Station and Subscriber Terminal equipment. The block diagram in Figure 1 shows the relationship of the Customer Premises Equipment (CPE) Roof Top Unit to the total system. In the diagram, the downstream direction is defined from the RF Transmitter to the Roof Top Unit. The reverse signal direction is defined as upstream. In operation, the DS3 data interface to the Channel Group is Quadrature Phase Shift Key (QPSK) modulated onto an L-Band intermediate frequency carrier. The I/F is input to the RF Transmitter where it is upconverted to the 27.5-28.35 GHz authorized LMDS frequency band. The RF is transmitted downstream through one of 4 orthogonal sectors. Each sector reuses the same frequency spectrum analogous to a cellular phone system that has no moving components. In the upstream direction, the customer interface to the Network Interface Unit (NIU) may be a combination of multiple T1 data lines, 10BaseT local area network data, or digital video data. The NIU combines the data into a single data stream and modulates an at L-Band IF carrier. This IF carrier is then input to the transmit side of the CPE Roof Unit Transceiver. The CPE Roof Unit upconverts the L-Band signal to the 27.5-28.35 GHz authorized LMDS frequency band for transmission to the Sector RF Receiver. The RF Receiver then down converts the RF to the L-band frequency in a reverse of the Base Station downstream process. Finally data is reassembled into a DS3 format for interfacing with the Central Office equipment. The CPE roof unit serves as a transceiver at the customer premises location for the subscriber terminal equipment. The CPE roof unit receives a downstream carrier and down converts the RF signal from 27.5-28.35 GHz to L-Band in the 950 to 1390 MHz range. Frequency stability of the CPE roof unit is maintained through reception of a highly stable pilot tone transmitted by the Base Station RF Transmitter. The pilot tone is ATM Switch Channel Group RF Transmitter Roof Top Unit Channel Group RF Transmitter Network Interface Customer Access Device Channel Group RF Reciever Subscriber Terminal DS3c Base Station Figure 1: LMDS Block Diagram Down Stream > > > < < < Up Stream Exhibit 12 Page 3 of 3FCC ID: NNSRTU2000-99 10/13/99 made up of a 960 MHz CW signal that is upconverted to 27.510 GHz for transmission within the authorized LMDS frequency band. The high stability pilot tone is used to phase lock a local oscillator on the CPE Roof Unit. Power to the CPE roof unit is supplied through the RF coaxial cable interface to the receiver IF connector. The CPE operates from 12 VDC nominal at a maximum current of 2 amps. A transmitter enable voltage of +5 VDC is supplied through the RF coaxial cable interface to the transmitter IF connector. The transmitter up converter accepts inputs from 1550-1800 MHz and produces a transmitter output of 28.10 – 28.35 GHz. The receiver accepts inputs of 27.50 – 27.94 GHz and down converts to 950 – 1390 MHz. The transmitter operates in a power control mode with power levels controlled through a closed loop with the Base Station. This loop senses signal strength variations due to changes in path parameters and adjusts power levels of the CPE roof unit. In case of total loss of the link, loss of pilot tone phase lock, or oscillator not ready condition, the transmitter portion of the CPE Roof Top Unit will be disabled.

Exhibit 10 – Parts List/Tune –up Information SpectraPoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number : RTU2000-28-2 Information Provided in this Exhibit a) Assembly Drawing – Page 2 b) Assembly Parts List Expanded View – Page 3 is an expanded view of the parts list from the Assembly drawing of page 2 c) Product Information Primer – Pages 4-11 There are no tune up procedures for the hardware device itself. During installation, the hardware is positioned for best signal transmission and reception as well as proper polarization. The Product Information Primer supplies information for installation and adjustment. 10/13/99 Page 1 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 10/13/99 Page 2 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 10/13/99 Page 3 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 Part No: PIP-005 DR A FT ™ PRODUCT INFORMATION PRIMER (PIP) SP2000 Rooftop Unit (RTU) Note: Please read the Installation section of the applicable CPE Equipment Manual for more detailed instructions on the installation of the RTU. For site-specific parameters, see the Installation Worksheet or similar installation order. A sample Installation Worksheet is provided in Appendix A at the end of the Installation section of the applicable CPE Equipment Manual. The equipment required to install the NIU is listed in the CPE Installation Tools and Supplies table in the Installation section of the applicable CPE Equipment Manual. Figure 1. RTU Dimensions 24 in 61 cm 13 in 33 cm 26 in 68 cm Antenna Mast Mast Foot Pivot Bolts Mast Foot 10/13/99 Page 4 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 D RAF T ™ RTU Equipment Parts Install the RTU For instructions on installing a non-penetrating roof mount, see the Installation section of the applicable CPE Equipment manual. Warning! Verify that the RTU mounting location will not interfere with power lines or utility wires that carry dangerous voltage. Contact with the wires can result in severe injury or death. Attaching the Mast Foot to a Wood-Frame, Cinder Block, Concrete, or Brick 1. Use a level for aligning the mast foot plate vertically, or parallel to any incline. 2. Secure the mast foot into a sturdy surface to provide a secure base for the mast. a) When mounting the foot to solid wood construction, use six 5/16-in diameter, 1-in long hex lag screws. b) For hollow wall or roof construction, align the foot so bolts or screws through the center holes will penetrate a stud or rafter whenever possible (see Figure 2). Use two 5/16-in diameter x 1.5-in long lag screws for the center holes. When a stud or rafter cannot be found, fasten the mast foot with four 5/16-in diameter x 3-in long round head toggle bolts. c) When attaching the mast foot to cinder block, concrete, or brick, drill two 1/2-in holes in the surface for the outside holes on each side of the foot. Insert four 5/16-in diameter x 1.5-in long concrete anchors. Table 1. RTU Equipment Parts PartModel Number SP2000 Rooftop Unit, Canadian Band Plan SP2000 Rooftop Unit, U.S. Band Plan SP2000 Rooftop Unit, NA-A Band Plan All above include the following: • CPE antenna assembly with electronics card • Mount assembly with clamp, mast, and foot plate • Product Information Primer (PIP), SP2000 Series RTU • Optional: Non-Penetrating Roof Mount • Supplemental: The following items required for the Non-Penetrating Roof Mount are not provided: (10) Cinder Blocks 16 in x 8 in x 4 in (40 cm x 20 cm x 10 cm) or similar ballast RTU2000-28-1 RTU2000-28-2 RTU2000-28-3 PIP-005 Obtain locally 10/13/99 Page 5 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 DRAF T ™ Attaching the Mast to the Foot 1. Position the mast (see Figure 1) so the pivot bolt holes align with the hole and slot on the foot. 2. Insert the two mast foot pivot bolts and tighten. Mount the RTU Antenna Use a level to ensure the mast is vertical, and tighten the mast foot pivot bolts (see Figure 1 ) . Ensure all assembly hardware and cable connections are secure and tight. Check the CPE Installation Worksheet to determine the antenna polarity setting for the particular customer site. The antenna electronics package is located at the top when the antenna is set for vertical polarity and at the side when set for horizontal polarity (see Figure 3). Setting the Horizontal or Vertical Polarity Face the backside of the antenna (see Figure 3). For horizontal polarity, attach the post clamp so the letter H is positioned to the right of the backplate. For vertical polarity, attach the clamp so the letter V displays to the left and right of the backplate. Figure 2. Mast Foot Mounting Center mounting holes Center line Stud or rafter under a roof or behind a wall 10/13/99 Page 6 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 D RAF T ™ . Fine-Tuning the Physical Adjustment 1. Level the antenna. 2. Hold the antenna assembly in place and fasten the post clamp nuts (see Figure 4). 3. Place a level on top of the electronics package to fine-tune horizontally. If necessary, loosen the antenna attachment bolts. Note: The antenna must be connected to the NIU with the power on before final adjustment. . Figure 3. Antenna Polarity Figure 4. Fine-Tuning Antenna Physical Adjustment H V V Antenna clamp Electronics package AGC port with 50 Ohm terminator TX cable connector Lugbolt RX cable connector Letter H on right side for horizontal polarity Mast and foot VV Letter V on left and right of backplate for vertical polarity Level for fine-tuning horizontal adjustment Elevation adjustment bolt Pivot bolt Post clamp nuts (2) Antenna attachment bolts (3) 10/13/99 Page 7 of 11 FCC ID: NNSRTU2000-99 EXHIBIT 10 DRAF T ™ Visually Adjusting the Azimuth 1. Loosen the antenna clamp enough to allow the antenna to be moved left and right. 2. Point the antenna toward the Node visually, using the grooves in the antenna exterior surface for indicating the line of sight. 3. Tighten the post clamp enough to keep the antenna from slipping from the desired position. Install the Antenna Grounding Wire Warning!…

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Exhibit 11 FCC ID: NNSRTU2000-99 Page 1 of 410/13/99 Exhibit 11 – RF Exposure Information Spectrapoint Wireless LLC Customer Premises Equipment Roof Unit FCC ID: NNSRTU2000-99 Model Number: RTU2000-28-2 Information Provided in this Exhibit This exhibit contains RF Exposure Information for the SpectraPoint CPE Roof, Version 1.3, based on calculations using RF exposure equations contained in FCC Office of Engineering & Technology Bulletin 65, Edition 97-01. The transmitter portion of the CPE Roof Unit has a maximum rated RF output power of +23 dBm (200 milliwatts) operating over the frequency range of 28.100 to 28.350 GHz. When installed in the SpectraPoint System, the unit is digitally modulated with a QPSK signal with an occupied bandwidth of from approximately 1.4 MHz to 12.5 MHz. The unit has an integral antenna for transmitting and receiving LMDS data within the authorized LMDS band of 27.500 to 28.350 GHz. The unit has a 13" diameter parabolic reflector which provides a highly directional gain of 36 dBi minimum to a maximum of approximately 38 dBi. The maximum RF exposure power that the CPE Roof Unit transmitter can reach is approximately +24 dBm, if driven into compression (not a normal condition). However, under this condition, the maximum RF power density from the CPE Roof Unit transmitter will be 0.785 milliwatt per square centimeter. This power level is less than the maximum permissible limit of 1.0 milliwatt per square centimeter for the general population for uncontrolled exposure. (Reference: Table 1, FCC Part 1, paragraph 1.1310) Calculations for 28.100 GHz, 28.225 GHz and 28.349 GHz, representative of minimum, mid and maximum tunable frequencies for the CPE Roof Unit, at the abnormal RF power output level of +24 dBm are presented on pages 2, 3 and 4 of this exhibit. RF Exposure Calculations SpectraPoint CPE Roof Unit, Version 1.3 Ref: OET Bulleting 65, Edition 97-01 Extent of the Near-Field Region: Antenna Diameter =0.330meters Frequency =28100MHz R nf = 2.552meters Distance from Reflector to Beginning of the Far-Field Region: R ff = 6.125meters R ff = 20.099feet Maximum On-Axis Power Density in the Near-Field: Transmitter Power =0.251Watts Antenna Gain =38dB S nf = 7.849Watts per Square Meter S nf = 0.785MilliWatts per Square Centimeter Power Density in the Far-Field: Distance from Antenna =6.125meters S ff = 3.362Watts per Square Meter S ff = 0.336MilliWatts per Square Centimeter Power Density in the Transition Region: Distance from Antenna =2.56meters S ff = 7.82Watts per Square Meter S ff = 0.78MilliWatts per Square Centimeter Page 2 of 4 Exhibit 11 FCC ID: NNSRTU2000-99 10/13/99 RF Exposure Calculations SpectraPoint CPE Roof Unit, Version 1.3 Ref: OET Bulleting 65, Edition 97-01 Extent of the Near-Field Region: Antenna Diameter =0.330meters Frequency =28225MHz R nf = 2.563meters Distance from Reflector to Beginning of the Far-Field Region: R ff = 6.152meters R …

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