MYF-IMK-STMP-10-1Fixed Mount Outdoor Spread Spectrum System

Re: Certification for Hyperlink MP2401 Radio Model: MP2401 FCC ID: MYF-IMK-STMP-10-1 CANADA: to be provided by IC USER'S MANUAL INFORMATION (PRELIMINARY) The User's Manual is in preparation. Since the device, when installed, is not easily accessible for inspection of the FCC/IC ID numbers, following material will be contained in the manual: FCC ID: MYF-IMK-STMP-10-1 CANADA: to be provided by IC This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. WARNING: Changes or modifications not expressively approved by the party responsible for compliance could void the user's authority to operate the equipment. Hyperlink Proxim Stratum MP – Extended-Range Professional Antenna Systems 1 Hyperlink / Proxim Stratum MP Professional Extended-Range Antenna Kits Featuring Proxim Stratum MP Radio Technology Installation Manual NOTE: The antenna system shall be installed ONLY by experienced antenna installers who are familiar with local building and safety codes, and wherever necessary have been licensed by appropriate government regulatory bodies. Failure to do so may void the Product Warranty, as well as expose the end-user to legal and/or financial liabilities. Hyperlink Technologies, its agents, resellers or distributors, are not liable for injury, damage, or violation of government regulations that may arise from failing to comply with the guidelines described in this document. Hyperlink Proxim Stratum MP – Extended-Range Professional Antenna Systems 2 Disclaimer: The diagrams used in this manual are for illustrative purposes only. They should not be confused with the Proxim Stratum MP with one of the end- user installed antenna options. When these diagrams are used the transceiver will be installed in conjunction with the specific Professionally-Installed Antenna Kits including DC Injector/Lightning Protector, Amplifier, cables and antennas listed in this manual. Copyright © 2001, Hyperlink Technologies, Inc.. All rights reserved. No part of the contents of this document may be transmitted or reproduced in any form or by any means without the written permission of Hyperlink Technologies, Inc. Portions Copyright © Proxim, Inc. All rights reserved HyperGain and HyperAmp are trademarks or registered trademarks of Hyperlink Technologies, Inc. in the United States and/or other countries. Hyperlink Proxim Stratum MP – Extended-Range Professional Antenna Systems 3 USA- Federal Communications Commission (FCC) Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Information to the user NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the distance between the equipment and the receiver. • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications of equipment not expressly approved by the manufacturer could void the user’s authority to operate the equipment and the company’s warranty. NOTE: The antenna system shall be installed ONLY by experienced antenna installers who are familiar with local building and safety codes, and wherever necessary have been licensed by appropriate government regulatory bodies. Failure to do so may void the Product Warranty, as well as expose the end-user to legal and/or financial liabilities. Hyperlink Technologies, its agents, resellers or distributors, are not liable for injury, damage, or violation of government regulations that may arise from failing to comply with the guidelines described in this document. Hyperlink Proxim Stratum MP – Extended-Range Professional Antenna Systems 4 Caution: Exposure to Radio Frequency Radiation. The radiated output power of this product is below the FCC radio exposure limits. Nevertheless, this product shall be used in such a manner that the potential for human contact during normal operation is minimized. Antenna shall be mounted in such a manner as to minimize the potential for human contact during normal operation. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 20 cm (8 inches) during normal operation. Hyperlink Technologies is not responsible for any radio or television interference caused by unauthorized modification of this device or the substitution or attachment of connecting cables and equipment other than specified by Hyperlink Technologies. The correction of interference caused by such unauthorized modification, substitution or attachment will be the responsibility of the user. Antenna System Specified Antenna Gain (dBi) Maximum Output Power at Antenna Terminal (dBm) Total EIRP (dBm) Minimum RF Exposure Separation Dist…

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Re: Certification for Hyperlink MP2401 Radio Model: MP2401 FCC ID: MYF-IMK-STMP-10-1 CANADA: to be provided by IC POWER OF ATTORNEY A letter granting Valdis V. Liepa the Power of Attorney is on file and can be provided when so requested. Re: Certification for Hyperlink MP2401 Radio Model: MP2401 FCC ID: MYF-IMK-STMP-10-1 CANADA: to be provided by IC GENERAL PRODUCT INFORMATION The device, for which certification is pursued, has been designed by: Hyperlink Technologies Inc 1200 Clint Moore Road, Suite 14 Boca Raton, Florida 33487 Peter Roth Tel: (561) 995-2256 Fax: (561) 995-2432 It will be manufactured by: Hyperlink Technologies Inc 1200 Clint Moore Road, Suite 14 Boca Raton, Florida 33487 Peter Roth Tel: (561) 995-2256 Fax: (561) 995-2432 It will be marketed and serviced by: Hyperlink Technologies Inc

FCC ID Label FCC ID: MYF-IMK-STMP-10-1 CANADA: This device complies with Part 15 of FCC Rules. Operation is subject to the following conditions: (1) This device may not cause harmful interference and (2) this device must accept any interference that may cause undesired operation.

Addendum to Test Report Number 415031-085 – FCC ID: MYF-IMP-STMP-10-1 Compliance with RF Exposure Limits – Alternative Method The following table summarizes the minimum separation distance for each antenna/amplifier system, as calculated from FCC OET Bulletin 65, Appendix B, Table 1B. Ant. Ant. Gain (dB) Po(mW) EIRP R (cm) 08U 8 7 44.67 1.89 08U 8 100 630.96 7.09 10U 10 7 70.79 2.37 10U 10 100 1000.00 8.92 14P 14 7 177.83 3.76 14P 14 100 2511.89 14.14 15U 14 7 177.83 3.76 15U 14 100 2511.89 14.14 15Y 15 7 223.87 4.22 15Y 15 250 7905.69 25.08 24G 24 7 1778.28 11.90 24G 24 250 62797.16 70.69

Addendum to test report number 415031-085 AGC Performance of the RF Amplifier Below we show that the output power of the amplifier is independent of the input signal up to 8 dB of attenuation at the input. This demonstrates that when using the AGC amplifier the system is cable length independent up to 100 ft. in length. Power Out vs. Attenuation 0 5 10 15 20 25 0246810 Attenuation Average Power Output (dBm) Figure 1. Diagram of Test Setup Figure 2. Plot of Output Power vs. Input Signal Attenuation Output Power vs. Attenuation 15 16 17 18 19 20 0246810 Attenuation (dB) Average Power Output (dBm) 50 ft Cable 100 ft Cable

Measurement of Processing Gain of the Stratum MP May 1, 2000 I. A GENERAL DEFINITION OF THE PROCESSING GAIN The maximum available processing gain for a direct-sequence spread-spectrum system depends on the transmitted waveform, while the actual processing gain is measured at the receiver. The implementation loss (L sys ) is generally the difference between these. To determine the maximum available (theoretical) processing gain, usually the number of chips N c in the symbol waveform is considered as the nominal value, and certainly as the maximum value. But the generation of a complex waveform requires a more detailed calculation of the maximum available processing gain. The issue of independent degrees of freedom is the fundamental effect. The best method to calculate this is to assume an ideal receiver mathematically and match filter the received waveform. This maximum theoretical system processing gain represents the theoretical rejection of a center-band interfering signal, averaged over all chip-code patterns. The practical processing gain of the system must also take into account the SNR required for adequately low demodulation errors and the system implementation losses. The practical processing gain Gp is defined by 1 Gp = (S/N) req + Mj + Lsys (1) (all in dB) where !" (S/N) req is the minimum signal-to-noise ratio after de-spreading at which the given modulation can provide adequate error performance, !" Mj is the maximum ratio of interference power to the signal power, measured at the system input, for which the system can provide the adequate error performance, !" Lsys is the system implementation losses in SNR due to practical implementation limitations. II. CONSIDERATION OF ACTUAL PROCESSING GAIN First, the values used for S/N and Lsys will be discussed, then the measured values of Mj will be presented. A. REQUIRED SNR The data modulation employed is a form of bi-orthogonal signalling in which one of 16 waveforms plus differential phase is transmitted, conveying five bits of information during each 16-chip data symbol. Each digital waveform symbol goes through a waveform pulse shaping circuit that produces a continuous phase modulation (CPM) of the carrier, that results in a nearly-square spectral shape with low spectral side-bands. The theoretical coherent S/N performance in terms of probability of symbol error (Pse) can be computed using the similar calculations as 1 Dixon, R, Spread Spectrum Systems, Chapter 1 (New York: Wiley, 1994) shown for simple bi-orthogonal signaling in the graph on page 259 in Wozencraft and Jacobs 1 and assuming an ideal matched filter receiver . In fact, the manufacturer has performed simulation, numerical computation and experimentation (using unfiltered, perfectly timed received waveforms) to verify this performance. The theoretical processing gain of the chip waveform including the pulse shaping is 10.3 dB when using an ideal matched filter receiver. Adequate system performance is achieved when the radios have degraded to 90% of their maximum throughput. This level of throughput results in a Pse of 4*10 -5 (recall that each symbol is 5 data bits), resulting in an operating point output SNR = 14.8 dB. B. ANTICIPATED SYSTEM LOSS Lsys is the system implementation losses in SNR due to practical implementation limitations. System loss is due to a multitude of effects which include various filters, signal quantization, computation errors, timing misalignment, etc. The very tight filtering required to conform to FCC part 15 regulations, causes mismatch between the transmitted waveform and the much-less-filtered reference waveforms in the correlator bank. (The 2400-to-2483.5-MHz band resides between two protected bands which constrain the absolute levels of signal power which may be produced, unlike the relative-power-level constraint of the part 15.247 alone). This causes a loss of approximately 1.3 dB. This was measured by removing the filters on experimental boards. Signal quantization as well as round-off and truncation within the digital correlation subsystem result in approximately 0.45 dB departure from ideal. Timing error in the placement of the correlation processor relative to the received signal results in an average loss of 0.25 dB. The total implementation loss is consequently 2.0 dB. 1 Wozencraft and Jacobs, "Principles of Communications". III. MEASUREMENT PROCEDURE OF THE PROCESSING GAIN The practical processing gain may be measured using the CW jamming margin method. Figure 1 shows the test configuration . The actual test site is shown in Appendix-A. Figure 1 The “HP Internet advisor”, a data generator, is the source of continuous Ethernet frames. The rate of frame sourcing and all frame parameters can be set. The output of the “HP Internet Advisor” is fed to the Ethernet port on the Stratum MP (Transmit). A “Compaq Contura” PC is used on a local RS-232 control port on the Stratum MP for monitoring of the transmitter. An “HP8648C” signal generator is used as a jammer (causes CW interference). The desired signal and CW jamming signal are combined and then the sum is split for observation of power and for feeding to the Stratum MP (Receive). The Jammer-to-Signal (J/S) ratio is measured using HP 436A power meter. The power meter readout of the desired signal must be compensated using the transmit stream duty factor of the desired signal frames. The detailed compensation procedure is described in Appendix-B. The spectrum analyzer is exchanged with the power meter only to verify that operation is normal and all spectra are as anticipated. The output signal of the receiving radio is a stream of Ethernet frames that is fed through the “HPJ2610A Stack Hub” 10BaseT port to the “DELL Latitude Xpi” Ethernet card. The “DELL Latitude Xpi” is running “Lanalyzer”, a LAN monitoring software package supplied by Novell, used for measuring the rate of frames that are received without any errors (i.e. passed a 32-bit CRC check by the radio). Although the …

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KTL Test Report: 9L0766RUS2 Applicant: Proxim Inc. 401 Edgewater Drive, Suite 530 Wakefield, MA 01880 Equipment Under Test: Stratum MP FCC ID: IMK-STMP-10-1 In Accordance With: FCC Part 15, Subpart C, 15.247 Direct Sequence Spread Spectrum Transmitters Tested By: KTL Dallas Inc. 802 N. Kealy Lewisville, Texas 75057-3136 Authorized By: Tom Tidwell, RF Group Manager Date: May 31, 2000 Total Number of Pages: 50 KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 2 of 50 Table of Contents Section 1. Summary of Test Results.......................................................................3 Section 2. Equipment Under Test (E.U.T.).............................................................5 Section 3. Powerline Conducted Emissions............................................................6 Section 4. Minimum 6 dB Bandwidth...................................................................10 Section 5. Maximum Peak Output Power.............................................................14 Section 6. RF Exposure........................................................................................15 Section 7. Spurious Emissions (conducted)..........................................................16 Section 8. Spurious Emissions (radiated)..............................................................22 Section 9. Peak Power Spectral Density...............................................................32 Section 10. Minimum Processing Gain.................................................................35 Section 11. Test Equipment List...........................................................................36 Annex A - Test Details..........................................................................................38 Annex B - Test Diagrams......................................................................................48 KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 3 of 50 Section 1.Summary of Test Results Manufacturer:Proxim Model No.:Stratum MP Serial No.:Sample No. 10 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 Part 15, Subpart C, Paragraph 15.247 for Direct Sequence Spread Spectrum devices. Radiated tests were conducted is accordance with ANSI C63.4-1992. Radiated emissions are made on an open area test site. A description of the test facility is on file with the FCC. New SubmissionProduction Unit Class II Permissive ChangePre-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”. NVLAP LAB CODE: 100426-0 KTL 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. KTL 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. KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 4 of 50 Summary Of Test Data NAME OF TESTPARA. NO.SPEC.MEAS.RESULT Powerline Conducted Emissions 15.207(a) 48 dBμV 47.75 dBuV PeakComplies Minimum 6 dB Bandwidth15.247(a)(2)500 kHz19 MHzComplies Maximum Peak Power Output 15.247(b)(1) 1 Watt @ antenna 14.5 mW (1.83 W EIRP) Complies Spurious Emissions (Antenna Conducted) 15.247(c)-20 dBc/100kHz-40 dBcComplies Spurious Emissions (Restricted Bands) 15.247(c) Table 15.209(a) 45 dBuV/m (Peak)Complies Peak Power Spectral Density15.247(d)+8 dBm/3kHz-10 dBmComplies Processing Gain15.247(e)10 dB> 10 dBComplies Footnotes:None KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 5 of 50 Section 2.Equipment Under Test (E.U.T.) General Equipment Information Frequency Band: 902 – 928 MHz 2400 – 2483.5 MHz 5725 – 5850 MHz Channel Spacing: 2417MHz - 2457MHz Emissions Designator: 24M0G7W User Frequency Adjustment: Software controlled KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 6 of 50 Description of Operation The E.U.T. is a wireless ethernet bridge. The following antenna configurations are possible: Dipole antenna0 dBiMounted directly to rf output port Omni-directional antenna (monopole)5.1 dBiRoof-top mount Omni-directional antenna (monopole)9 dBiRoof-top mount Flat panel antenna8.5 dBiRoof-top mount Flat panel antenna12 dBiRoof-top mount Dish antenna (parabolic)21 dBiRoof-top mount System Diagram E.U.T. Server Roof-top KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 7 of 50 Section 3.Powerline Conducted Emissions NAME OF TEST: Powerline Conducted EmissionsPARA. NO.: 15.207(a) TESTED BY: Kevin RoseDATE: May 15 2000 Test Results:Complies. Measurement Data: See attached plots. Equipment Used: 1036, 1043, 1188 Temperature: 20 °C Relative Humidity: 43% KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 8 of 50 Powerline Conducted Emissions Plots KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 9 of 50 Powerline Conducted Emissions Plots KTL Dallas FCC PART 15, SUBPART C DIRECT SEQUENCE SPREAD SPECTRUM TRANSMITTER EQUIPMENT:Stratum MPPROJECT NO.:9L0766RUS2 Page 10 of 50 Section 4.Minimum 6 dB Bandwidth NAME OF TEST:…

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