PL6-MMDS-BTS-R1Base Station

Ripwave 2.6 GHz Base Station Hardware Installation and Commissioning Guide Version 1.0.0 Part Number 40-00047-00 Revision A Ripwave 2.6 GHz Base Station Installation and Commissioning Guide Navini Networks, Inc. ii Ripwave 2.6 GHz Base Station Installation and Commissioning Guide Navini Networks, Inc. TABLE OF CONTENTS REGULATORY INFORMATION............................................................................................VII SAFETY.......................................................................................................................................VIII Introduction.........................................................................................Error! Bookmark not defined. Purpose................................................................................................Error! Bookmark not defined. Scope....................................................................................................Error! Bookmark not defined. Acronyms.............................................................................................Error! Bookmark not defined. Electronic Forms.................................................................................Error! Bookmark not defined. CHAPTER 1....................................................................ERROR! BOOKMARK NOT DEFINED. Ripwave 2.6 GHz BTS System Installation......................................Error! Bookmark not defined. Ripwave 2.6 GHz BTS Equipment....................................................Error! Bookmark not defined. Base Transceiver Station (BTS)...................................................Error! Bookmark not defined. Panel Radio Frequency Subsystem (RFS)....................................Error! Bookmark not defined. Mounting Rack and Enclosures....................................................Error! Bookmark not defined. Equipment Materials Specifications.................................................Error! Bookmark not defined. Ripwave 2.6 GHz Base Station Specifications..................................Error! Bookmark not defined. General..........................................................................................Error! Bookmark not defined. Accessibility..................................................................................Error! Bookmark not defined. Five watt system...........................................................................Error! Bookmark not defined. Fourteen watt system....................................................................Error! Bookmark not defined. Resources.............................................................................................Error! Bookmark not defined. Preparing the Site...............................................................................Error! Bookmark not defined. Site Survey....................................................................................Error! Bookmark not defined. Backhaul Connections..................................................................Error! Bookmark not defined. Power Requirements for the BTS.................................................Error! Bookmark not defined. Ground Requirements for the BTS...............................................Error! Bookmark not defined. Installing the Antenna Ground Buss Bar......................................Error! Bookmark not defined. Installing the Base Station System Ground Buss Bar and Surge Protectors.....Error! Bookmark not defined. Installing the System Ground Wiring...........................................Error! Bookmark not defined. Installing Cables between the BTS and the RFS/GPS..................Error! Bookmark not defined. Determining Cable Length........................................................Error! Bookmark not defined. Installing Connectors on the Cables.........................................Error! Bookmark not defined. iii Ripwave 2.6 GHz Base Station Installation and Commissioning Guide Navini Networks, Inc. Sweeping the Individual Cables...............................................Error! Bookmark not defined. Installing the BTS Mounting Rack and/or Enclosure...................Error! Bookmark not defined. Installing the BTS Power Supply and Batteries............................Error! Bookmark not defined. Installing the Power Supply......................................................Error! Bookmark not defined. Installing the Batteries..............................................................Error! Bookmark not defined. Connecting the Power Supply to the Batteries.........................Error! Bookmark not defined. Run Power Supply Wiring to the BTS Chassis............................Error! Bookmark not defined. Installing the BTS Equipment...........................................................Error! Bookmark not defined. Installing the BTS Chassis............................................................Error! Bookmark not defined. Connect the Power Supply to the BTS Card Cage.......................Error! Bookmark not defined. Check Ground Connections and Input Power...............................Error! Bookmark not defined. Ground Connections.................................................................Error! Bookmark not defined. Power Connections...................................................................Error! Bookmark not defined. Installing the GPS Antennas..............................................................Error! Bookmark not defined. Installing the Radio Frequency Subsystem Antenna Assembly.....Error! Bookmark not defined. Verify RFS Operation...................................................................Error! Bookmark not defined. Installing the Mounting Brackets..................................................Error! Bookmark not defined. Installing the RFS Antenna Assembly..........................................Error! Bookmark not defined. Check for proper down tilt angle of the RFS antenna............…

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Synthesizer Cal RF LO GPS IF LOA&B IF IF 0 IF 1 IF 3IF 2 IF LO 2 IF LO 1 IF IF 0 IF 1 IF 3IF 2 IF LO 2 IF LO 1 Synthesizer Cal RF LO GPS IF A&B Digital Backplane 2:1 CAL GPS 2:1 GPSGPS RF Backplane 2:8 RF LO Splitter Transciever ATransciever B Transciever CTransciever D Transciever ETransciever F Transciever G Transciever H RF LO IF IF 8+/-2 dBm3+/-2 dBm Tx = [-30,-60]dBm Rx = [0,-20]dBm Loss = 4.2 dB,ISM Couplerversion. Loss = 15 - 17 dB RFS Cal PCB RF LNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA Module Cavity BPFCavity BPFCavity BPFCavity BPF Cavity BPFCavity BPFCavity BPFCavity BPF CAL Coupling: Cal to TX/RX ports, - 30 dB IF TX Mode:Gain = 0 dBIMR3 > 45 dBcP out = - 40, -15dBmIF RX Mode:Gain = 60 dBNF = 13.4 dBIP3 = 24.74 XCVR RX Mode:Gain = 18.5 dBNF = 5.8 dBIIP3 = 19.4 dBmIP1dB = - 13 dBm XCVR TX Mode:Gain = 64 dBIMR3 > 40 dBcP out = 37 dBm Loss = 4.4-5.0dB, MMDSCouplerversion. Cavity BPF Cavity BPF

April 25 th 2002 Attention: American TCB Re: Application for approval of FCC#PL6=MMDS-BTS-R1 Dear Sirs Please find enclosed an application with supporting information for FCC Part 21, subpart k certification, on behalf of Navini Networks. The FRN# for Navini Networks is: 0004- 2731-81. Please use the Visa No. 4731 6232 0305 3738, expiry date of 09/03 for this approval. The card holder name is Deborah Wilson. Sincere Regards, Denise Godfrey Telecom Group Manager Nemko Dallas

FCC ID. #: PL6-MMDS-BTS-R1 REQUEST FOR CONFIDENTIALITY Navini Networks requests confidentiality with regard to the following documents in the filing for equipment approval identified by FCC ID. #: PL6-MMDS-BTS-R1 (1) Schematic diagrams contained in the following electronic files: Synth_Schematic.pdf IF_Schematic.pdf PA_Schematic.pdf Navini Networks feels that the disclosure of this information would result in significant loss of revenue. We ask that this information be kept confidential for, at least, 2 years. Thank you, /BS/ Brian Sutton Regulatory Engineer Navini Networks 2240 Campbell Creek Blvd. Suite 110 Richardson, TX 75080 PH: 972-852-4217

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 May 1, 2002 RE: FCC ID: PL6-MMDS-BTS-R1 I have a few comments on this Application. Please note that this device does not appear to comply with the FCC rules. See item 6. 1 Your report states a conducted RF Power measurement of 37dBm (5 watts). You further state the EIRP in 33dBW (1995 watts). Yet, you have provided no information about the antenna necessary to obtain this EIRP. Please note that calculations used in reports must be justified. Please provide the necessary antenna information (gain, type, etc.) and a sample calculation of how you obtained the EIRP for this device. 2 No tune up procedure was provided. Please note that the FCC requires this. Please provide the tune up procedure for this device. 3 No operational or technical description was provided. Also, please note that the users/installation manual is incomplete. The FCC requires this information to be submitted with the application. Please provide a complete manual and either a technical description or operational description for the device. 4 Please provide a simplified Block diagram of the system. 5 The occupied bandwidth plot header states a resolution and video BW of 10 MHz, yet the plot shows a resolution BW of 50kHz and a video BW of 500 kHz. Please correct the header data in the report to match the plot data so the report is consistent. 6 The frequency stability data/plots did are not present in the report. Please provide the frequency stability information. Please note that 21.101 (Frequency Tolerance) allows 0.005% deviation over the temperature and voltage variation range. Part 2 specifies the frequency stability for this type device (i.e. 2.1055 (a)1) to be within the tolerance range over the temperature variation of –30 degrees C to +50 degrees C. Since the device ceased operation below 0 degree C, and since no information to the contrary ( i.e. no technical description/operational description or technical specifications) were provided, it can only be concluded that the device is not in compliance with the rules. Please provide evidence that this device meets the required frequency stability tolerances specified in CFR 47. 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. l Page 2May 1, 2002 Any questions about the content of this correspondence should be directed to the sender.

May 1, 2002 RE: FCC ID: PL6-MMDS-BTS-R1 I have a few comments on this Application. Please note that this device does not appear to comply with the FCC rules. See item 6. 1 Your report states a conducted RF Power measurement of 37dBm (5 watts). You further state the EIRP in 33dBW (1995 watts). Yet, you have provided no information about the antenna necessary to obtain this EIRP. Please note that calculations used in reports must be justified. Please provide the necessary antenna information (gain, type, etc.) and a sample calculation of how you obtained the EIRP for this device. The +33 dBW stated in the summary table of the report is the minimum specification limit from the FCC rules. Because this is a licensed device the rf output power that goes on the grant is usually the power output at the antenna port. The type of antenna, the gain, and the propagation pattern are regulated during the licensing phase by the Mass Media Bureau. The rf power output that should be listed on the grant is 5 Watts. 2 No tune up procedure was provided. Please note that the FCC requires this. Please provide the tune up procedure for this device. I have uploaded the tuneup procedure to the ATCB site. 3 No operational or technical description was provided. Also, please note that the users/installation manual is incomplete. The FCC requires this information to be submitted with the application. Please provide a complete manual and either a technical description or operational description for the device. I have uploaded the technical description to the ATCB site. I only uploaded the parts of the manual that contain the required FCC statements because the entire manual is close to 30 megabytes in PDF form (600 dpi). I can send the hardcopy to you if you wish or put the electronic copy on CD-R and ship it. Please let me know what you prefer. 4 Please provide a simplified Block diagram of the system. I have uploaded a Block Diagram of the system on the ATCB site. 5 The occupied bandwidth plot header states a resolution and video BW of 10 MHz, yet the plot shows a resolution BW of 50kHz and a video BW of 500 kHz. Please correct the header data in the report to match the plot data so the report is consistent. I have uploaded a revised test report that contains this correction. See also page 38 for frequency stability data. 6 The frequency stability data/plots did are not present in the report. Please provide the frequency stability information. Please note that 21.101 (Frequency Tolerance) allows 0.005% deviation over the temperature and voltage variation range. Part 2 specifies the frequency stability for this type device (i.e. 2.1055 (a)1) to be within the tolerance range over the temperature variation of –30 degrees C to +50 degrees C. Since the device ceased operation below 0 degree C, and since no information to the contrary ( i.e. no technical description/operational description or technical specifications) were provided, it can only be concluded that the device is not in compliance with the rules. Please provide evidence that this device meets the required frequency stability tolerances specified in CFR 47. Please see revised test report, page 38. As far as the temperature range is concerned: The FCC rules do not require that the system operate over the entire range, only that the frequency tolerance meets the requirement. This system is designed to shut down automatically when operating outside the temperature range 0 degrees Celsius - +60 degrees Celsius. We monitored the system as we decreased temperature below 0 degrees and noted that the carrier shut down completely at around –2 degrees Celsius. There was no drift in frequency between 0 degrees and –2 degrees.

EXTERNAL PHOTOS BTS Front Power Amplifiers (1-8) IF Cards Synthesizers BTS Rear RF Out (1-8)

FCC ID#: PL6-MMDS-BTS-R1 Label Information FCC ID: PL6-MMDS-BTS-R1 Ripwave 2.4GHz BTS XXXX E###### Listed Navini Networks Model Number

Internal Photos Power Amplifier Power Amplifier – Power Supply Board Synthesizer IF Card

FCC ID#: PL6-MMDS-BTS-R1 Description Navini Networks Wireless Integrated Solution (WINS) BTS consists of two major parts: RF front-end unit that will be placed on the tower top, and tower base unit (see Fig.1). The RF front-end unit contains an antenna assembly of 8 dipole antennas, a calibrator board for calibration, and a distributor for T/R switch signal and RF _LO distribution. As per the FCC requirement each transmitter has its own power amplifier - Multiple transmitters do not share a common amplifier. Tower base unit contains 8 transceivers, an IF module, a synthesizer, and base band modules. The distance between RF front-end unit and tower base units varies from 10 ft to 200 ft depending on the deployment scenarios. The modulated transmit and receive IF signals flow between the tower top and tower base units. The IF signal center frequency is 140MHz. During the transmission period, a total of 8 sets of I and Q data are generated from the base band modules where they have been weighted for the purpose of beam forming. They are then fed into the IF module and quadrature modulated. The resulting IF spectrum is 5 MHz wide centered at 140MHz. The signals are then up-converted to 2.6GHz MMDS band and amplified. Finally the signals are sent to the antennas and radiated into the air. Each of the signals is a separate signal. Multiple signals may be from/for one user or one signal from/for each user. They are dynamically configurable. During the receive period, 8 sets of signals received from 8 antennas are first amplified and then down-converted to the 140MHz IF frequency. Then they are sent to the IF module and quadrature demodulated to 8 sets of I and Q data, which are then sent to the base band unit for further processing. The synthesizer generates the RF_LO and IF_O signals and distributes them to IF and RF front-end modules. It also facilitates the calibration by generating the calibration signals. The base band unit controls the Tx/Rx switch system timing. The Navini Networks BTS is almost identical to conventional spread spectrum devices except that we transmit the sum of multiple spread spectrum signals modulated (or spread) on multiple pseudo random codes. Our modulation method is analogous to that of IEEE 802.11b, which modulates 8 co-channel signals with 8 CCK sequences. FCC ID #: PL6-MMDS-BTS-R1 Description Page 2 of 2 Synthesizer Cal RF LO GPS IF LOA&B IF IF 0 IF 1 IF 3IF 2 IF LO 2 IF LO 1 IF IF 0 IF 1 IF 3IF 2 IF LO 2 IF LO 1 Synthesizer Cal RF LO GPS IF A&B Digital Backplane 2:1 CAL GPS 2:1 GPSGPS RF Backplane 2:8 RF LO Splitter Transciever ATransciever B Transciever CTransciever D Transciever ETransciever F Transciever G Transciever H RF LO IF IF 8+/-2 dBm3+/-2 dBm Tx = [-30,-60]dBm Rx = [0,-20]dBm Loss = 4.2 dB,ISM Couplerversion. Loss = 15 - 17 dB RFS Cal PCB RF LNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA ModuleLNA Module Cavity BPFCavity BPFCavity BPFCavity BPF Cavity BPFCavity BPFCavity BPFCavity BPF CAL Coupling: Cal to TX/RX ports, - 30 dB IF TX Mode:Gain = 0 dBIMR3 > 45 dBcP out = - 40, -15dBmIF RX Mode:Gain = 60 dBNF = 13.4 dBIP3 = 24.74 XCVR RX Mode:Gain = 18.5 dBNF = 5.8 dBIIP3 = 19.4 dBmIP1dB = - 13 dBm XCVR TX Mode:Gain = 64 dBIMR3 > 40 dBcP out = 37 dBm Loss = 4.4-5.0dB, MMDSCouplerversion. Cavity BPF Cavity BPF Figure 1

Tuneup The RF output is setup by the calibration routine on the system. A value is set in the EMS and the system outputs that power level at the antenna port. The RF Output is monitored constantly by the system. There is no user adjustment of the rf parameters of the system.

Nemko Test Report: 2L0071RUS1 Applicant: Navini Networks 2240 Campbell Creek Blvd. Suite 110 Richardson, TX 75082 Equipment Under Test: 2.6 GHz BTS Rel1 (E.U.T.) In Accordance With: FCC PART 21, Subpart K Multipoint Distribution Service Tested By: Nemko Dallas Inc. 802 N. Kealy Lewisville, Texas 75057-3136 Authorized By: Tom Tidwell, EMC/Wireless Group Manager Date: 4/22/02 Total Number of Pages: 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Table of Contents Section 1. Summary of Test Results..........................................................................................3 Section 2. General Equipment Specification.............................................................................5 Section 3. RF Power Output......................................................................................................7 Section 4. Occupied Bandwidth.................................................................................................9 Section 5. Spurious Emissions at Antenna Terminals.............................................................12 Section 6. Field Strength of Spurious......................................................................................14 Section 7. Frequency Stability.................................................................................................18 Section 8. Test Equipment List................................................................................................27 Section 9. Test Details.............................................................................................................28 Section 10. Test Diagrams .........................................................................................................34 Page 2 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Section 1. Summary of Test Results Manufacturer: Navini Networks Model No.: 2.6 GHz BTS Rel1 Serial No.: None General: All measurements are traceable to national standards. These tests were conducted on a sample of the equipment for the purpose of demonstrating compliance with FCC Part 21, Subpart K. New Submission Production Unit Class II Permissive Change Pre-Production Unit THIS TEST REPORT RELATES ONLY TO THE ITEM(S) TESTED. THE FOLLOWING DEVIATIONS FROM, ADDITIONS TO, OR EXCLUSIONS FROM THE TEST SPECIFICATIONS HAVE BEEN MADE. See “ Summary of Test Data”. Nemko Dallas Inc. authorizes the above named company to reproduce this report provided it is reproduced in its entirety and for use by the company’s employees only. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko Dallas Inc. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. This report applies only to the items tested. Page 3 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Summary Of Test Data NAME OF TEST PARA. NO. SPEC. RESULT RF Power Output 2.1046 33dBW EIRP Complies Occupied Bandwidth 2.1049 21.908 (b) Mask Complies Spurious Emissions @ Antenna Terminals 2.1051 -60 dBc Complies Field Strength of Spurious Radiation 2.1053 -60 dBc Complies Frequency Stability 2.1055 Mask Complies Footnotes: Page 4 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Section 2. General Equipment Specification Supply Power: 24 Vdc Frequency Range: 2596 MHz to 2644 MHz Type(s) of Modulation: F3E (Voice) F1D F2D D7W (QAM) DQPSK (F9W) Emission Designator: 5M00F9W Output Impedance: 50 ohms RF Power Output Rated: +37 dBm (5 watts) Duty Cycle: 50% TDD Operator Selection Of Operating Frequency: Software controlled Power Output Adjustment Capability: Software controlled Page 5 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Description Of EUT The EUT is a licensed, non-broadcast base station transmitter for use in the MMDS services. The EUT is intended to deliver broadband data services to Customer Premise Equipment transceiver units. System Diagram Page 6 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Section 3. RF Power Output NAME OF TEST: RF Power Output PARA. NO.: 2.1046 TESTED BY: David Light DATE: 2/28/2002 Test Results: Complies Measurement Data: See attached data sheets. The following plot shows the rf output power during one TDD cycle (TX-RX). Tests Data – RF Power Output Page 7 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Dallas Headquarters: 802 N. Kealy Lewisville, TX 75057 Tel: (972) 436-9600 Fax: (972) 436-2667 Nemko Dallas, Inc. Data Plot Page 1 of1 Complete X Job No.:2L0071R Date:2/28/2002Preliminary: Specification:PT 21Temperature(°C):20 Tested By:David LightRelative Humidity(%)50 E.U.T.: Configuration: Sample Number:1 Location:Lab 1RBW:10 MHzMeasurement Detector Type:RmsVBW: 10 MHz Distance: N/Am Test Equipment Used Antenna: Directional Coupler:1055 Pre-Amp: Cable #1:1628 Filter: Cable #2: Receiver:1036Cable #3: Attenuator #11471Cable #4: Attenuator #2: Mixer: Additional equipment used: Measurement Uncertainty:+/-1.7 dB Notes: 2.6 GHz BTS TX TDD SIGNAL RF Power Output Page 8 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1 EQUIPMENT: 2.6 GHz BTS Rel1 Section 4. Occupied Bandwidth NAME OF TEST: Occupied Bandwidth PARA. NO.: 2.1049 TESTED BY: David Light DATE:3/8/2002 Test Results: Complies Measurement Data: See attached data sheets. Page 9 of 37 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE P…

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Nemko Test Report: 2L0071RUS1Rev1 Applicant: Navini Networks 2240 Campbell Creek Blvd. Suite 110 Richardson, TX 75082 Equipment Under Test: 2.6 GHz BTS Rel1 (E.U.T.) In Accordance With: FCC PART 21, Subpart K Multipoint Distribution Service Tested By: Nemko Dallas Inc. 802 N. Kealy Lewisville, Texas 75057-3136 Authorized By: Tom Tidwell, EMC/Wireless Group Manager Date: 4/22/02 Total Number of Pages: 38 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 2 of 38 Table of Contents Section 1. Summary of Test Results ..........................................................................................3 Section 2. General Equipment Specification .............................................................................5 Section 3. RF Power Output ......................................................................................................7 Section 4. Occupied Bandwidth.................................................................................................9 Section 5. Spurious Emissions at Antenna Terminals .............................................................12 Section 6. Field Strength of Spurious ......................................................................................14 Section 7. Frequency Stability .................................................................................................18 Section 8. Test Equipment List ................................................................................................28 Section 9. Test Details .............................................................................................................29 Section 10. Test Diagrams .........................................................................................................35 Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 3 of 38 Section 1. Summary of Test Results Manufacturer: Navini Networks Model No.: 2.6 GHz BTS Rel1 Serial No.: None General: All measurements are traceable to national standards. These tests were conducted on a sample of the equipment for the purpose of demonstrating compliance with FCC Part 21, Subpart K. New Submission Production Unit Class II Permissive Change Pre-Production Unit THIS TEST REPORT RELATES ONLY TO THE ITEM(S) TESTED. THE FOLLOWING DEVIATIONS FROM, ADDITIONS TO, OR EXCLUSIONS FROM THE TEST SPECIFICATIONS HAVE BEEN MADE. See “ Summary of Test Data”. Nemko Dallas Inc. authorizes the above named company to reproduce this report provided it is reproduced in its entirety and for use by the company’s employees only. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko Dallas Inc. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. This report applies only to the items tested. Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 4 of 38 Summary Of Test Data NAME OF TEST PARA. NO. SPEC. RESULT RF Power Output 2.1046 33dBW EIRP Complies Occupied Bandwidth 2.1049 21.908 (b) Mask Complies Spurious Emissions @ Antenna Terminals 2.1051 -60 dBc Complies Field Strength of Spurious Radiation 2.1053 -60 dBc Complies Frequency Stability 2.1055 Mask Complies Footnotes: Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 5 of 38 Section 2. General Equipment Specification Supply Power: 24 Vdc Frequency Range: 2596 MHz to 2644 MHz Type(s) of Modulation: F3E (Voice) F1D F2D D7W (QAM) DQPSK (F9W) Emission Designator: 5M00F9W Output Impedance: 50 ohms RF Power Output Rated: +37 dBm (5 watts) Duty Cycle: 50% TDD Operator Selection Of Operating Frequency: Software controlled Power Output Adjustment Capability: Software controlled Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 6 of 38 Description Of EUT The EUT is a licensed, non-broadcast base station transmitter for use in the MMDS services. The EUT is intended to deliver broadband data services to Customer Premise Equipment transceiver units. System Diagram Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 7 of 38 Section 3. RF Power Output NAME OF TEST: RF Power Output PARA. NO.: 2.1046 TESTED BY: David Light DATE: 2/28/2002 Test Results: Complies Measurement Data: See attached data sheets. The following plot shows the rf output power during one TDD cycle (TX-RX). Nemko Dallas FCC PART 21, SUBPART K MULTIPOINT DISTRIBUTION SERVICE PROJECT NO.:2L0071RUS1Rev1 EQUIPMENT: 2.6 GHz BTS Rel1 Page 8 of 38 Tests Data – RF Power Output Dallas Headquarters: 802 N. Kealy Lewisville, TX 75057 Tel: (972) 436-9600 Fax: (972) 436-2667 Nemko Dallas, Inc. Data Plot Page 1 of 1 CompleteX Job No.:2L0071RDate:2/28/2002Preliminary: Specification:PT 21Temperature(°C):20 Tested By:David LightRelative Humidity(%)50 E.U.T.: Con…

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