MIJMILHUB-USA-01Local Multipoint Distribution System - Hub unit

Exhibit 7 Page 1 of 5FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 7 – Instruction Manual Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 7.0 Instruction Manual Exhibit 7 Page 2 of 5FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 7 Page 3 of 5FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 7 Page 4 of 5FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 7 Page 5 of 5FCC ID: MIJMILHUB-USA-01 9/3/99

Exhibit 1 Page 1 of 1FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 1 – Certification of Data Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 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: 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:Dwayne Awerkamp Date: Position:EMC Department Manager

Systems Solutions Group CONFIDENTIALITY REQUEST CONTAINED WITHIN Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Re: Application for LMDS Certification – MIJMILHUB-USA-01 Gentlemen: Motorola, Inc., Systems Solutions Group, 8201 E. McDowell Rd, Scottsdale, Arizona 85252 herein submits: Remittance Advice (FCC Form 159 – per US Mail with Fee Codes EFT and EBC, $610.00 VISA), Application for Equipment Authorization (FCC Form 731 – Electronic Filing), and Exhibits (Electronic Filing) for Certification of the Local Multipoint Distribution System (LMDS), under FCC Rule Part 101, FCC ID: MIJMILHUB-USA-01. Motorola purchases this equipment from Millitech, Inc. who is the manufacturer of this equipment. Millitech is located at 20 Industrial Drive East, South Deerfield, MA 01373-0109. This application is for the Head-end Transceiver (HUB). A separate application is being submitted for the Customer Premise Equipment (CPE) (FCC ID: MIJMILCPE-USA-01) In addition to confidentiality for the entire application prior to grant (per 47CFR0.457(d)(1)(ii)), Motorola requests, pursuant to 47CFR0.459, post-grant confidentiality for identified sections of the filing material contained in this application with this material being withheld from public inspection following the grant of this authorization. This material includes Exhibit 5, Circuit Diagrams and Exhibit 6, Circuit Descriptions. Specifically, these exhibits contain information relating to circuit function and complexity that could be of benefit to competitors. This material contains Motorola’s and Millitech’s trade secrets and confidential information which is not customarily release to the public and which, otherwise, is not generally available to the public. Please contact me by telephone at (480) 675-2104, by facsimile at (480) 441-3625, or by email at [email protected] if there are any further questions or additional information needed regarding the filing. Sincerely, Jim Dykema EMC Engineer Motorola SSG

Exhibit 1 Page 1 of 1FCC ID: MIJMILHUB-USA-01 9/3/99 LIST OF EXHIBITS Exhibit Description FCC Reference 1.0Certification Data2.911 2.0General Information 2.1Production Plans 2.2Application References2.1061 2.3Data Submittal Procedure2.947 2.4Similar Applications 2.5Types of Emissions 2.6Frequency Range 2.7 Maximum Output Power 2.8 Modulation Techniques 2.9Emission Designator 3.0Description 3.1Transmitter Technical Characteristics2.1033 3.2Transmitter Application 5.0Circuit Diagrams2.1033-D-7 6.0Circuit Description index2.1033-D-10-11-12 6.1Means for Frequency Stabilization 6.2Means for Attenuation of Spurious Emissions 6.3Mean for Limiting Modulation 6.4Means for Attenuation of Higher Audio Frequencies 6.5Means for Limiting Power Output 6.6Digital Modulation Techniques 7.0Instruction Manual2.1033-D-8 8.0Transceiver Adjustments2.1033-D-9 9.0Measured Data Index2.1033-E 9.1RF Output Measured Data2.1046 9.2Occupied Bandwidth Graphs2.1049 9.3FCC Radiated Spurious Emission Graphs2.1053 9.4Frequency Stability vs. Temperature2.1055 9.5Frequency Stability vs. Voltage2.1055 10.0Identification (Nameplate) Information2.1033-F 11.0Photographs2.1033-G 12.0Measurement Techniques

Re: FCC ID MIJMILHUB-USA-01 Applicant: Motorola GSTG Correspondence Reference Number: 11114 731 Confirmation Number: EA95370 Date of Original E-Mail: 12/20/1999 Date of Response: 1/21/2000 1.) Please show the highest and lowest operating frequency that will satisfy the emissions limitations / mask. RESPONSE: The frequencies that are to be used by the Millitech Band A HUB’s are as follows: • 28.143 GHz Data • 28.155 GHz Data • 28.167 GHz Data • 27.644 GHz Pilot These HUB’s were built for a specificsite installation and are not to be used at any other locations or with any other frequencies of operations. None of the listed frequencies are near the edges of the allocated band (27.500 and 28.350 GHz). Future Motorola LMDS equipment will more fully utilize the allocated frequency spectrum. For these equipment, emission limitation/masks will be measured at the highest and lowest operating frequency of the equipment. 2.) Please provide a determination of necessary or occupied bandwidth. RESPONSE: The necessary or occupied bandwidth for the HUB is determined by the Data over Cable Interface System Specification (DOCSIS). The modulation used for the router end is 64QUAM at a symbol rate of 5.0MS/s with a filter alpha of 0.15. The following graphs are the measured occupied bandwidth at the output of the signal generator used to supply the IF input to the HUB measured with a 1 MHz and a 100 kHz resolution bandwidth. Because the HUB is simply a frequency translator the occupied bandwidth at the HUB’s transmit frequency will be identical. Data - Occupied bandwidth measured with a 1 MHz resolution bandwidth. Data - Occupied bandwidth measured with a 100 kHz resolution bandwidth. The HUB’s Pilot signal is an FM modulated signal with FM deviation of 10 MHz and a modulation frequency of 24. The following graphs are the measured occupied bandwidth using a 1 MHz and a 300 kHz resolution bandwidth. Pilot - Occupied bandwidth measured with a 1 MHz resolution bandwidth. Pilot - Occupied bandwidth measured with a 300 kHz resolution bandwidth. 3.) Please supply measurement data showing the relative levels of spurious emissions at the output terminals as required by Section 2.1051 of the Commission's R&R. RESPONSE: At the time of test, the Millitech HUB antenna’s could not be removed for purposes of conducted spurious emission tests. Therefore, all tests were performed in a radiated mode. The only spurious emissions detected were related to the harmonics of the HUB’ data and pilot transmit frequencies. The measurement of the radiated harmonics relative to the intentional carriers are provded in Section 9.3 of Exhibit 9. 4.) Please provide measurement data showing the transmitter frequency stability for variations in temperature over the range -30 to +50 degrees C at 10 degree C intervals as required by Section 2.1055(b) of the Commission's R&R. RESPONSE: The HUB that was tested is no longer available for additional testing. The following tables are the measured frequency stability data for the data and pilot transmitters taken on a similar HUB (FCC ID: MIJTELHUB-USB-01). The frequency stability control for both HUB’s are identical. f 0 31.048 GHzFCC Limit °Cf @ -15% rated voltage in GHz f @ +15% rated voltage in GHz % Error @ -15% rated voltage % Error @ +15% rated voltage -3031.0479980031.04799800-0.00000644%-0.00000644%0.001% -2031.0479987031.04799800-0.00000419%-0.00000644%0.001% -1031.0479980031.04799800-0.00000644%-0.00000644%0.001% 031.0479973031.04799730-0.00000870%-0.00000870%0.001% 1031.0479973031.04799700-0.00000870%-0.00000966%0.001% 2031.0479967431.04799670-0.00001050%-0.00001063%0.001% 3031.0479960031.04799600-0.00001288%-0.00001288%0.001% 4031.0479953031.04799530-0.00001514%-0.00001514%0.001% 5031.0479947031.04799470-0.00001707%-0.00001707%0.001% % Error Frequency Stability Data for HUB Data Transmitter f 0 31.0015 GHzGHzFCC Limit °Cf @ -15% rated voltage in GHz f @ +15% rated voltage in GHz % Error @ -15% rated voltage % Error @ +15% rated voltage -3031.0024992031.002495800.00001355%0.00000258%0.001% -2031.0025080031.002508000.00004193%0.00004193%0.001% -1031.0024942031.00249420-0.00000258%-0.00000258%0.001% 031.0024942031.00249420-0.00000258%-0.00000258%0.001% 1031.0024942031.00249420-0.00000258%-0.00000258%0.001% 2031.0024958031.002497500.00000258%0.00000806%0.001% 3031.0024958031.002495800.00000258%0.00000258%0.001% 4031.0024950031.002490800.00000000%-0.00001355%0.001% 5031.0024942031.00249420-0.00000258%-0.00000258%0.001% % Error NOTE: Because the FM modulation could not be defeated, the frequency measurement was made at the upper peak of the FM waveform (31.002495 GHz). Frequency Stability Data for HUB Pilot Transmitter

Exhibit 11 Page 1 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 11 – Photographs Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 11.0 Photographs Figure 11.0-1 HUB External View Exhibit 11 Page 2 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 11-2Exploded View (1 of 2) Exhibit 11 Page 3 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 11-3Exploded View (2 of 2)

Exhibit 10 Page 1 of 2FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 10 – Identification Information Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 10.0 Identification (Nameplate) Information Note: “MIJ” to be added to beginning of FCC ID. Exhibit 10 Page 2 of 2FCC ID: MIJMILHUB-USA-01 9/3/99

Exhibit 10 Page 1 of 2FCC ID: MIJMILHUB-USA-01 Revised 9/17/99 Exhibit 10 – Identification Information Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 10.0 Identification (Nameplate) Information Exhibit 10 Page 2 of 2FCC ID: MIJMILHUB-USA-01 Revised 9/17/99

Exhibit 2 Page 1 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 2 – General Information Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 2.0General Information 2.1Production Plans Quantity production is planned. 2.2Application References Pursuant 2.1061 reference is made to the following Motorola “Application References on file with the Commission: None 2.3Data Submittal Procedure Data is supplied in accordance with Part 2, Sub-part J of the Commission’s rules. The standards used on measurements supplied is section 47 CFR Part 101 Subpart C. 2.4Similar Applications None. 2.5Types of Emissions The HUB transmits two signals. A Data signal and a Pilot tone. The Pilot tone is used to phase lock the local oscillator of the CPE to the HUB 100 MHz internal crystal oscillator. The pertinent emission designator for the HUB Pilot Signal is 10M0F1D, as explained in paragraph 2.6 of this exhibit. Actual measurements of Occupied Bandwidth are shown in Exhibit 9. The HUB itself does not modulate the Data signal. Modulation necessary to support the LMDS link is performed by equipment external to the HUB. An emission designator has been determined based on a standard Data Over Cable Service Interface Specifications (DOCSIS) signal that will be present at the input to the HUB. Exhibit 2 Page 2 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 The pertinent emission designator for the HUB Data Signal is 6M00D1D, as explained in paragraph 2.9 of this exhibit. Actual measurements of Occupied Bandwidth are shown in Exhibit 9. Spurious Emissions (Radiated) are also reported in Exhibit 9. 2.6Frequency Range The HUB employs two frequencies in the 27.5 to 28.35 GHz frequency band. The HUB Pilot frequency is 27.644 GHz and the HUB data frequency is 28.143 GHz. Frequency stability versus temperature and voltage measurements are shown in Exhibit 9. 2.7Maximum Output Power The Hub Data transmitter output power is +24dBm typical at room temperature. The Hub Pilot transmitter output power is also +24dBm typical at room temperature. The specified minimum output power is +22dBm minimum from –30 o to +50 o C. The HUB Data transmitter is operated at a nominal output power of +18dBm. The HUB Pilot transmitter is operated at it’s saturated power output (nominal +28dBm). RF Output Power Measurements are shown in Exhibit 9. 2.8Modulation Techniques The HUB Data modulation is as follow: • 64 QAM • 5 Megasymbols/sec The HUB Pilot modulation is as follow: • FM 10 MHz deviation • 24.414 kHz modulation frequency Exhibit 6, Sections 6.3 and 6.5 will provide more details of the modulating circuitry and techniques. Exhibit 2 Page 3 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 2.9Emission Designator 2.9.1 Emission, Modulation and Transmission Characteristics The HUB itself uses no Data modulation techniques. Modulation necessary to support the LMDS link is performed by the equipment external to the CPE. However, based on the DOCIS signal, the Data signal emission designator (6M00D1D) is based on the following: • D - Emissions in which the main carrier is amplitude and angle-modulated either simultaneously or in a pre-established sequence • 1 - A single channel containing quantized or digital information without the use of a modulating subcarrier, excluding time division multiplex • D - Data transmission, telemetry, telecommand The Pilot tone is FM modulated by the HUB’s internal 100 MHz crystal oscillator divided down to 24.414 kHz. The Pilot signal emission designator (10M0F1D) is based on the following: • F - Emissions in which the main carrier is amplitude and angle-modulated – frequency modulated • 1 - A single channel containing quantized or digital information without the use of a modulating subcarrier, excluding time division multiplex • D - Data transmission, telemetry, telecommand 2.9.2 Bandwidth The allocated bandwidth for the frequency band in which the HUB operates (27.5 to 28.350 GHz) is 850 MHz.

Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 1 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 3 – Description Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 3.0 Transmitter Description The Millitech Head-End Transceiver, or ‘Hub’, is part of an LMDS point to multi-point wireless networking system. It is an outdoor unit that is physically located at the head-end side of the LMDS wireless link. The Hub functions as a wireless transceiver to bridge the gap between head-end router equipment and FCC allocated LMDS broadcast frequencies. The head-end router and wireless signals that interface to the Hub will be referred to as IF and RF signals respectively for the remainder of this document. Figure 1 depicts the major functional interfaces of the Hub. Hub Interface to Head-End Router Head-End Tranceiver (Hub) Pilot Tone RF Data Downstream RF Data Upstream Customer Premise Equipment (CPE) CPE Interface to Cable Modem Wireless RF Path IF Upstream, IF Downstream, -48Vdc The Hub IF signals interface with a Head-End Router that is located at the Head-End of the LMDS link. Two coax connectors on the Hub are used to carry IF signals upstream and downstream, a third connector is used for DC power. A red LED indicator is illuminated on the Hub connector plate to indicate the Hub is transmitting RF power and that all internal oscillators are locked to the reference frequency. Three sector horn antennas are used to carry the RF interface including upstream data to the Hub, a pilot tone, and downstream data to the CPE. The maximum transmitted RF output power is limited by the saturated output power of the last amplifier stage. The typical saturated output power from the Hub is .6 watts. Each sector antenna has a nominal gain of 15 dBi with a half power beamwidth of 64 or 90 degrees in azimuth. Transmit and receive signals are copolarized relative to each other for a given Hub. Hubs are provided in both E and H field vertical configurations and are typically alternated in adjacent 90- degree sectors so that 4 Hubs (2 E-Plane; 2 H-Plane) are required to provide 360 degrees of RF coverage. Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 2 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 3.1Transmitter Technical Characteristics Figure 3.1-1 HUB transmitters technical data sheet, 1 of 3 Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 3 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 3.1-2 HUB transmitters technical data, sheet 2 of 3 Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 4 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 3.1-3 HUB transmitters technical data sheet, 3 of 3 Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 5 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 3.1.1 RF Power Output The Hub Data transmitter output power is +24dBm typical at room temperature. The Hub Pilot transmitter output power is also +24dBm typical at room temperature. The specified minimum output power is +22dBm minimum from –30 o to +50 o C. The HUB Data transmitter is operated at a nominal output power of +18dBm. The HUB Pilot transmitter is operated at it’s saturated power output (nominal +28dBm). 3.1.2 Frequency Range The HUB utilizes two single frequencies in the frequency range of 27.5 to 28.35 GHz. The Data signal is at 28.143 GHz and the Pilot signal is at 27.644 GHz. 3.1.3 Frequency Stability Frequency stability is 0.001% by design. 3.1.4 Emission Designator The HUB itself uses no Data modulation techniques. Modulation necessary to support the LMDS link is performed by the equipment external to the CPE. However, based on the DOCIS signal, the Data signal emission designator (6M00D1D) is based on the following: • D - Emissions in which the main carrier is amplitude and angle-modulated either simultaneously or in a pre-established sequence • 1 - A single channel containing quantized or digital information without the use of a modulating subcarrier, excluding time division multiplex • D - Data transmission, telemetry, telecommand The Pilot tone is FM modulated by the HUB’s internal 100 MHz crystal oscillator divided down to 24.414 kHz. The Pilot signal emission designator (10M0F1D) is based on the following: • F - Emissions in which the main carrier is amplitude and angle-modulated – frequency modulated • 1 - A single channel containing quantized or digital information without the use of a modulating subcarrier, excluding time division multiplex • D - Data transmission, telemetry, telecommand Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 6 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 3.1.5 DC Voltage The HUB operating voltage range is –48 volts ± 20%. 3.2Transmitter Application 3.2.1 Power Supply Available The HUB transceiver operates from –48Vdc power with a maximum current draw of 2.1 amperes. 3.2.2 Antenna Available Figure 3.2-1 and Figure 3.2-2 provide the elevation and azimuth antenna gain patterns for the HUB antenna. The HUB utilizes three E-plane horn antennas with a gain of 15 dBi (typical). Separate antennas for Data transmit, Data Receive and Pilot transmit. Figure 3.2-1 Elevation Beamwidth for the HUB antennas Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 3 Page 7 of 7FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 3.2-2 Azimuth Beamwidth for the HUB antennas 3.2.3 Maximum Transmit Channel Capacity The HUB is capable of a s…

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Exhibit 8 Page 1 of 1FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 8 – Transceiver Adjustments Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 8.0 Transceiver Adjustments There are no external transceiver adjustments available for the end user.

Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 1 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 9 – Measured Data Index Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 9.0Measured Data Index 9.1RF Output Measured Data 9.1.1 Transmitter Output Power The Hub Data transmitter output power is +24dBm typical at room temperature. The Hub Pilot transmitter output power is also +24dBm typical at room temperature. The specified minimum output power is +22dBm minimum from –30 o to +50 o C. The HUB Data transmitter is operated at a nominal output power of +18dBm. The HUB Pilot transmitter is operated at it’s saturated power output (nominal +28dBm). 9.1.2 Effective Isotropic Radiated Power The calculated EIRP based on the saturated output power of the HUB Data is: Power (nominal) = +18dBm = -12 dBw Antenna Gain = 15 dBi EIRP = -12 + 15 = 3 dBw The calculated EIRP based on the saturated output power of the HUB Pilot is: Power (sat.) = +28dBm = -2 dBw Antenna Gain = 15 dBi EIRP = -2 + 15 = 13 dBw Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 2 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 9.2Occupied Bandwidth Graphs Figure 9.2-1 HUB Data Occupied Bandwidth Graph Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 3 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 9.2-2 HUB Pilot Occupied Bandwidth Graph Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 4 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 9.3FCC Radiated Spurious Emissions Graphs Emission Frequency (GHz) Received Power Level (dBm) Measure- ment Bandwidth Cable Loss * (dB) Antenna Factor (dB) Radiated Emission Level (dB μ V/m) Limit Level (dBμV/m) Comments 28.14394.31 MHz635.6135.9n/a HUB Data Carrier 56.28640.64 kHz141.382.9104.92nd Harmonic * Cable loss above 40 GHz is for external mixer IF ( 221MHz) cable loss. ** All other emissions greater than 20 dB below the specification were not reported *** Spectrum search performed from 30 MHz to 100GHz 10.0 30.0 50.0 70.0 90.0 110.0 130.0 150.0 10100 Frequency (GHz) Radiated Emissions (dB μ μμ μ V/m) Carrier 28.143 GHz 2nd Harmonic 56.286 GHz Limit -31dBc based on mean power of 18dBm Figure 9.3-1 HUB Data radiated harmonic emissions Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 5 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 Emission Frequency (GHz) Received Power Level (dBm) Measure- ment Bandwidth Cable Loss * (dB) Antenna Factor (dB) Radiated Emission Level (dB μ V/m) Limit Level (dBμV/m) Comments 27.644115.81 MHz535.5156.3n/a HUB Pilot Carrier 55.28852.34 kHz441.297.5115.32nd Harmonic 82.93240.54 kHz146.387.8115.33rd Harmonic * Cable loss above 40 GHz is for external mixer IF ( 221MHz) cable loss. ** All other emissions greater than 20 dB below the specification were not reported *** Spectrum search performed from 30 MHz to 100 GHz 20.0 40.0 60.0 80.0 100.0 120.0 140.0 160.0 10100 Frequency (GHz) Radiated Emissions (dB μ μμ μ V/m) Carrier 27.644 GHz 2nd Harmonic 55.288 GHz Limit -41dBc based on mean power of 28dBm 3rd Harmonic 82.932 GHz Figure 9.3-2 HUB Pilot radiated harmonic emissions Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 6 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 9.4Frequency Stability vs Temperature The crystal oscillator manufacturer (Wenzel) did supply frequency error data for 20 sample oscillators tested at -40C and +65C. Their test spec is +/-1ppm (See Figure 9.4-1). The worst unit had an error of only .218ppm at -40C. The frequency error allowed is .001%, or 275kHz for a carrier at 27.5GHz and 313kHz for a carrier at 31.3GHz. The frequency error from the Hub will be proportional to the reference oscillator error and the total frequency conversion from IF to RF. Worst case conversion would be 31.065 GHz (11MHz to 31076MHz). At that point if there was a total error of 2ppm, we would see a carrier frequency error of only 62kHz Motorola, Inc. Proprietary Information – Not for Public DisclosureMotorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 7 of 8 FCC ID: MIJMILHUB-USA-01 9/3/99 Figure 9.4-1 Crystal Oscillator Data Sheet Motorola, Inc. Proprietary Information – Not for Public Disclosure Motorola, Inc. Proprietary Information – Not for Public Disclosure Exhibit 9 Page 8 of 8FCC ID: MIJMILHUB-USA-01 9/3/99 9.5Frequency Stability vs Voltage The DC/DC Regulators (JW series) within the Hub are guaranteed from 36 to 75 Vdc input. This is well within the +/-20% spec on the Hub input power . The output regulation on these power supplies is guaranteed to be better than 0.4% as load varies from min to max, and an additional 1% over the operating temperature range of -40C to +100C. So the worst case variation on the voltage to the 100MHz oscillator is about 1.4%. This compares to the voltage input required for the 100MHz oscillator which is specified as +/-10% (According to Wenzel, the oscillator manufacturer). From this information it appears there will be very little frequency error due to voltage variation.

Exhibit 12 Page 1 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Exhibit 12 – Measurement Techniques Motorola Head-end Transceiver (HUB) FCC ID: MIJMILHUB-USA-01 Millitech Part No. 9031291001 12.0 Measurement Techniques 12.1 Radiated Spurious and Harmonic Emissions 12.1.1 Definition Radiated spurious and harmonic emissions from the equipment at a frequency and/or frequencies which are outside an occupied band sufficient to insure transmission of information of required quality for the class of communication desired. The reduction in the level of these spurious emissions will not effect the quality of information being transmitted. 12.1.2 Minimum Standard For the HUB data transmitter, the mean power of radiated spurious and harmonic emissions shall be attenuated as per 101.12(a)(2)(ii). The frequency offset attenuation is based on an authorized bandwidth of 850 MHz and mean output power of +18 dBm. For frequencies removed greater than 50% to less than or equal to 250% of the authorized bandwidth and measured in a 1 MHz bandwidth, the attenuation requirement is as follows: Attenuation (dBc) = 12 + 0.4 * (Percent-50)+10 * Log 10 (Bandwidth) Note: Attenuation of greater than 56 dBc is not required. For frequencies removed greater than 250% of the authorized bandwidth and measured in a 4 kHz bandwidth, the attenuation requirement is as follows: Attenuation (dBc) = 43 + 10 * Log 10 (mean output power) Note: Attenuation of greater than 80 dBc is not required. For the HUB pilot transmitter, the mean power of radiated spurious and harmonic emissions shall be attenuated as per 101.12(a)(1). The frequency offset attenuation is based on an authorized bandwidth of 850 MHz and mean output power of +18 dBm. For frequencies removed greater than 50% to less than or equal to 100% of the authorized bandwidth and measured in a 1 MHz bandwidth, the attenuation requirement is as follows: Exhibit 12 Page 2 of 3FCC ID: MIJMILHUB-USA-01 9/3/99 Attenuation (dBc) = 25 dBc For frequencies removed greater than 100% to less than or equal to 250% of the authorized bandwidth and measured in a 1 MHz bandwidth, the attenuation requirement is as follows: Attenuation (dBc) = 35 dBc For frequencies removed greater than 250% of the authorized bandwidth and measured in a 4 kHz bandwidth, the attenuation requirement is as follows: Attenuation (dBc) = 43 + 10 * Log 10 (mean output power) Note: Attenuation of greater than 80 dBc is not required. 12.1.3 Method of Measurement Facility Description: All final testing reported herein was performed at the Motorola SSG semi-anechoic chamber, located at 8201 E. McDowell Rd., Scottsdale, AZ. 85252. The facility has also been issued a Certificate of Accreditation through the National Voluntary Laboratory Accreditation Program (NVLAP) by NIST. This is under NVLAP Code: 100405-0 and is effective through September 30, 1999. Measurement Description: Spurious and harmonic emissions were measured as radiated emissions in an anechoic chamber (20ft x 24ft x 16ft). The HUB equipment does not require a CPE to operate. The CPE requires the HUB’s Pilot tone to enable it to transmit. Therefore, when the HUB was tested only the HUB was in the test chamber and when the CPE was tested with both the HUB and the CPE in the chamber. The DOCSIS modulation was provided by a HPE4430B Signal Generator. Radiated emissions were measured from 30 MHz to 100 GHz. For all emissions with the exception of the transmitter’s fundamental frequency and it’s harmonics, measurements were made at a distance of 3 meters. All four sides of the EUT and both vertical and horizontal polarization’s were tested for maximum radiated levels. All emissions detected were greater than 20 dB below the emission limitations of 47 CFR 101.111 (see paragraph 12.1.2 of this Exhibit). Therefore, no Open Area Test Site (OATS) measurements were made. Testing of the transmitter’s fundamental frequency and it’s harmonics were performed in the main beam of the transmit antenna. The receive antenna was positioned at a distance to maximize the received sig…

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