HSW-EM2420HPZigBee Radio Module

8/24/2006 Mr. David Waite ATCB RE: Cirronet FCC ID: HSW-EM2420HP Mr. Waite, Thank you for your comments in your letter of August 22, 2006. Below is my response to your comments on this application. I have included your original comments in my response. . 1: Several documents indicate confidentiality; however I do not see that a request for confidentiality letter has been uploaded. Please provide or confirm that confidentiality is NOT required on any documents associated with this application. Uploaded. In addition, due to the nature of information within the Integrators Guide, it is requested that you place this document under confidential status. This has been granted under previous applications (HSW-2410G). 2: 802.15 Frequencies are typically 2405 - 2480 as indicated in the test user manual, However the 731 form indicates 2402.5 - 2477.5MHz. Please Explain. Additionally the test report indicates 2480 is not used, so in this case it seems the highest frequency listed should be 2475 MHz Form 731 corrected to reflect 2405 to 2475 MHz and uploaded. 3: Please provide an “Integrators” installation guide. Please ensure that the integrators guide contains the following: Instructions to the integrator regarding FCC warning statements to include in their manual such as “standard” FCC statement, RF exposure warnings and the 20cm MPE distance, allowed antennas. Integrators guide now notifies integrator to place labels in their manual. Instructions to the integrator regarding proper labeling of the host device Integrators guide now notifies integrator for proper labeling of the host device. Instructions to the integrator that they cannot provide the end user with module removal instructions. Provided in manual. 4A: The test report and user manual reference an integral 0dBi antenna, however the photos and the schematics indicate an RF antenna connector is also available. Please outline measures taken to ensure that an unauthorized external antenna is NOT connected to this connector in a final host configuration. The RF connector is for Cirronet factory setting only. A statement has been added to the manual to reflect this. 4B: Additionally, page 17 of the test report comments on the intent to sell the module with a 24 dBi parabolic dish antenna using a reverse N to MMCX adapter. This antenna does not appear to be addressed anywhere else in this filing (RF Exposure exhibits, test report, user manual...) Please explain. The 24 dBi antenna is a carryover from a previous report. It is not utilized by the EM2420HP and all reference has been removed. 4C: Bandedge measurements also make reference to a parabolic dish. Please explain. What antenna was used for other radiated emissions measurements? The 24 dBi antenna is a carryover from a previous report. It is not utilized by the EM2420HP and all reference has been removed 4D: Please provide a data sheet for the parabolic dish, please be sure it includes the gain of the dish. The 24 dBi antenna is a carryover from a previous report. It is not utilized by the EM2420HP and all reference has been removed 5: Test report page 33 refers to the unit being “Hop Stopped” please confirm this is a typo and that the actual EUT is not frequency hopping. Page 75 also refers to frequency hopping. Please clarify. The unit was tested with a continuous, maximum output power, modulated signal at Low, Mid and High channels. Report corrected and uploaded. 6: Tables 5 A,B and C are labeled AVERAGE test results. Tables indicate PK data. The following has been added to page 52: This value was subtracted from the peak data listed in Section 2.8 and compared to the average limits in the following tables. FCC procedure allows Peak values to be obtained through maximization of emissions on the OATS site, then duty cycle corrected based upon the calculations on page 52, and compared to the average limits. 7: Please provide data to support the 46 dB duty cycle correction factor Given that 2483,5 and 2390 are edges of restricted bands, please show compliance to the peak and average limits measured in 1M/1M (PK) and 1M/10Hz (AVG) bandwidths. An alternate method was used to derive average data. See item 6 above. A letter from Cirronet confirming duty cycle has been uploaded. 8: Figure 6A is labeled as being a conducted measurement. The bandedge measurement in section 2.110 appears to be conducted, yet there appears to be an adjustment from 3 to 1 meter (9.54 dB) please clarify. Corrected and uploaded. 9: Test report shows a 6dB BW of 1.6MHz. The test report indicates that the RBW used for measuring the RF power from the device was greater than the 6 dB BW however plots indicate a 1 MHz RBW was used. Please re-measure the RF transmit power using RBW > 6 dB BW. Corrected and updated. 9A: The measured power in the plots is given as 17.92, 17.82 & 17.82 dBm ( L- M-H ) the data in the table indicates 17.81, 17.71, 17.71 dBm. Note that the .1dB for cable loss should be added to the level measured on the analyzer, not subtracted. Please correct, and note any required changes to MPE and other documents. Corrected and Uploaded. 10: Section 2.10 states that 5000uV/m = -32.02 dBm. Please outline the derivation of this. My calculation suggests that 5000uV/m @ 3 M = -21.22 dBm EIRP (20 LOG 5000) - 95.2 = -21.2 dBm EIRP Our calculation used 107 as the conversion from dBuV to dBm. Corrected and Uploaded. 11: The bandedge measurement in section 2.110 appears to be conducted, yet there appears to be an adjustment from 3 to 1 meter (9.54 dB) please clarify. Entire bandedge section corrected and uploaded. 12: Figure 6B, High bandedge, the center of the plot is at 2483.5, yet the dBc measurement is performed between the fundamental and 2487.678 MHz and not at the band edge (2483.5MHz). Please clarify. Entire bandedge section corrected and uploaded. Note that the peak power is given as 17.81 dBm in a 1 MHz BW. The plot in section 6B shows that the level at the band edge, 2483.5 is approximately 32 dB below the…

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July 30, 2006 Dear Application Examiner Regarding Part 15 Unlicensed Modular Transmitter Approval, the following requirements called out in FCC Public Notice DA 00-1407 are observed: 1. The EM2420HP has its own RF shielding. 2. The EM2420HP modular transmitter has buffered modulation/data inputs to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over- modulation. 3. The EM2420HP employs on board power supply regulation to the transmitter portion of the module, utilizing IC U1 within the module. 4. The EM2420HP employs an integrated antenna. 5. The EM2420HP was tested in a stand-alone configuration. 6. The EM2420HP has a label with the FCC ID: HSW-EM2420HP 7. The EM2420HP complies with FCC 15.247 for Direct Sequence Spread Spectrum Operation. An Integration Guide is provided for every module sold. This guide instructs the integrator in the proper operation of the device. The text in the guide specifies FCC Part 15 compliance. 8. The use of the EM2420HP in any application where the antenna is 20 cm or less distance to the body is not allowed. This is specified in the Integration Guide. Al Patrick Sr. Compliance Engineer Cirronet Inc. [email protected]

EM2420HP External Photos Photos: Photo 1: External Top, Cover on Photo 2: External Bottom Photo 1: External Top, Cover on Photo 2: External Bottom

EM2420HP Internal Photos Photos: Photo 1: Internal Top, Cover off Photo 1: Internal Top, Cover off

EM2420HP Label Label Compliance Label 1.5 x 0.5 inches Label Location

EM2420HP Internal Photos Photos: Photo 1: Internal Top, Cover off Photo 1: Internal Top, Cover off

U.S. Technologies, Inc FCC Part 15C Rev: 040103Report Number:05-0311 Issue Date: March 20, 2006CustomerC:irronet Corporation Model:WIT2410 G RF EXPOSURE U.S. Technologies, Inc FCC Part 15C Rev: 040103Report Number:05-0311 Issue Date: March 20, 2006CustomerC:irronet Corporation Model:WIT2410 G 5.1 RF Safety Requirements to 2.1091 for Mobile Transmitters The unit under evaluation has one integral antenna. Cirronet Corporation calculated the MPE emission values for an EM2420HP. They used the formula shown in OET Bulletin 65 and calculated the minimum distance between antenna and unsuspecting user as 20 cm. 5.1 RF Safety Requirements to 2.1091 for Mobile Transmitters – Cont. Power Output The EUT’s maximum expected output power as shown in Section 2.6 was Frequency of Fundamental (MHz) Measurement (dBm)* Measurement (mW)* FCC Limit (Watt) 2405.4317.8661.091.0 2444.3017.6758.481.0 2475.5017.6257.811.0 The maximum EIRP expected is with a +0 dBi gain patch antenna. This would yield and maximum EIRP of 17.86 dBm. +17.81 dBm Antilog (17.81 dBm/10) = 61.09 mW MPE Calculations The limits for this unit (uncontrolled exposure) are 1.0 mW/cm 2 . Taking the RF Denisty Field Equation: S = (EIRP in mW)/(4πR 2 ) and solving for Density S at 20 cm. S = 61.09/ 4π20 2 S = 61.09 / 5026.55 S = 0.012 mW/cm 2 All manual instructions will specify 20 cm for all installations.

. Worst Case Transmit Duty Cycle for EM2420HP The duty cycle de-rating factor used in the calculation of average radiated limits (per 15.209) is described below. This factor was calculated by first determining the worst case scenario for system operation. The worst case operating scenario is as follows: Maximum transmit time/on equals 0.5ms over a 100 ms period. The transmission duty cycle correction factor is then calculated as: 20 log10 (0.5ms/100ms)= -46.02dB I hereby declare that the above statement is true and accurate. Mark E. Tucker VP of Engineering Cirronet Inc. September 1, 2006

Optimised Antennas for Wireless Devices 22 .533.544.555 .56 1 1.5 2 2.5 3 3.5 4 4.5 5 DATA SHEET · SHORT-RANGE WIRELESS Small SMD chip antenna for USB and MIMO Cardbuses a/b/g/n devices © 2006 FRACTUS, S.A. All rights reserved. Fractus and the Fractus logo are either registered trademarks or trademarks of FRACTUS, S.A. All other trademarks are the property of their respective owners. Information contained within this document is subject to change without prior notice. Fractus specialises in enabling effective mobile communications. Using fractal technology, we design and manufacture optimised antennas to make your wireless devices more competitive. Our mission is to help our clients develop innovative products and accelerate their time to market through our expertise in antenna design, testing and manufacturing. P/N: FR05-S1-NO-1-004Fractus ® Compact Dual-band Reach Xtend TM Chip Antenna The Fractus Compact Dual-band Reach Xtend Chip Antenna for 802.11 a/b/g/n WLAN systems is a tiny rectangular 3D-shaped antenna specifically designed for high performance USB devices and other small PCB devices operating at both 2.4 GHz and 5 GHz bands, where high performance and low-cost are mandatory. Its small dimensions allows various configurations within the USB devices and may help Card- bus devices in the enhancement of their throughput by using MIMO algorithms with more than 2 antennas. Taking advantage of the space-filling properties of fractals, this small monopole antenna is ideal for use within indoor (highly scattered) environments. The Fractus Compact Dual-band Reach Xtend Chip Antenna speeds your time to market by allowing you to easily integrate it within your industrial design (SMD mounting). Patent Pending: WO0154225, US11/154,843 Frequency Range Efficiency Peak Gain VSWR Weight Temperature Impedance Dimensions 2.4 - 2.5 GHz > 50 % > 0 dBi < 2:1 0.2 g -40 to +85 o C 50 Ω unbalanced 7 x 3 x 2 mm Product Benefits Small form factor Allows integration into small USB devices easily and efficiently with minimum clearance area. High efficiency Increases your device range, signal quality battery life. Multiband behaviour Provides superior performance for both 2.4 and 5 GHz ISM bands in the same structureareas easily and efficiently. Omnidirectional pattern Optimises device usage due to a uniform radiation pattern. Worldwide functionality Enables devices to work globally in WLAN systems: Europe/US/Asia. Please contact your sales representative at Richardson Electronics to obtain additional information on recommended configurations for different UWB devices. Richardson Electronics: www.rell.com Fractus: [email protected] Reference: DS_FR05-S1-N-0-004_v01 Front Back 4.9 - 5.875 GHz > 60 % > 3 dBi < 2:1 0.2 g -40 to +85 o C 50 Ω unbalanced 7 x 3 x 2 mm Measured results from a standard USB PCB of 55.4 x 20 x 0.8 mm 7 x 3 x 2 mm (image larger than actual size) 802,11 b / g / n802,11 a / n

FCC ID: HSW-2420HP 23 2.7 Antenna Conducted Spurious Emission the Frequency Range 30 – 25000 MHz (FCC Section 15.247(c)) Spurious emissions in the frequency range 30 – 25000 MHz have been measured with a spectrum analyzer by connecting the spectrum analyzer directly via a short cable to the antenna output terminals or across the antenna leads on the PCB as specified by the manufacturer. The spectrum analyzer was set for a 50 Ω impedance with the RBW = 100 kHz & VBW> RBW. All spurious emissions were measured to be greater than 20 dB down from the fundamental. The results or conducted spurious emissions are given in Figure 4a through 4l. FCC ID: HSW-2420HP 24 Figure 4a Antenna Conducted Spurious Emissions 15.247(c) Low Note: Signal shown represents Fundamental Frequency FCC ID: HSW-2420HP 25 Figure 4b Antenna Conducted Spurious Emissions 5.247(c) Low . FCC ID: HSW-2420HP 29 Figure 4c Antenna Conducted Spurious Emissions 15.247(c) Mid Note: Signal shown represents Fundamental Frequency. FCC ID: HSW-2420HP 30 Figure 4d Antenna Conducted Spurious Emissions 15.247(c) Mid FCC ID: HSW-2420HP 31 Figure 4e Antenna Conducted Spurious Emissions 15.247(c) High Note: Signal shown represents Fundamental Frequency. FCC ID: HSW-2420HP 32 Figure 4f Antenna Conducted Spurious Emissions 15.247(c) High

FCC ID: HSW-2420HP 66 2.12 Power Line Conducted Emissions for Digital Device and Receiver FCC Section 15.107 The conducted voltage measurements have been carried out in accordance with FCC Section 15.107, with a spectrum analyzer connected to a LISN and the EUT placed into an idle condition or a continuous mode of receive. Similar results were seen as compared to the EUT in a transmit mode of operation. Therefore, please refer to the results as shown in Table 7. FCC ID: HSW-2420HP 67 2.13 Power Line Conducted Emissions for Transmitter FCC Section 15.207 The conducted voltage measurements have been carried out in accordance with FCC Section 15.207, with a spectrum analyzer connected to a LISN and the EUT placed into a continuous mode of transmit. The results are given in Tables 7a-7c. FCC ID: HSW-2420HP 68 TABLE 7a. CONDUCTED EMISSIONS DATA CLASS B Test Date: July 24, 2006 UST Project:06-0159 Customer: Cirronet Corporation Model: EM2420HP Zigbee Radio Worse Case Mode of Operaton (TX – Low channel) (Peak vs Average Limits) . Conducted Emissions Test By: Test: Peak vs Average Conducted Emissions Client: Cirronet Corporation AT Project: 06-0159 Class: B Model: EM2420HP Zigbee Radio FrequencyTest DataAFTest DataAF+CA- AMP ResultsLimitsMarginPK (MHz)(dBm)Table(dBuV)(dB)(dBuV)(dBuV)(dB)/ QP 0.21-63.8 LISNP 43.2-0.143.153.4 10.3PK 9.12-69.3 LISNP 37.70.438.150.0 11.9PK 9.225-69.6 LISNP 37.40.437.850.0 12.2PK 9.327-69.9 LISNP 37.10.437.550.0 12.5PK 9.02-70.2 LISNP 36.80.437.250.0 12.8PK 0.615-70.2 LISNP 36.80.036.846.0 9.2PK 0.205-62.9 LISNN 44.1-0.144.053.4 9.4PK 0.31-69.2 LISNN 37.8-0.137.750.0 12.2PK 0.413-69.3 LISNN 37.70.037.747.6 9.9PK 9.227-69.2 LISNN 37.80.438.250.0 11.8PK 9.127-69.3 LISNN 37.70.438.150.0 11.9PK 0.723-70.8 LISNN 36.20.136.346.0 9.7PK SAMPLE CALCULATIONS: 43.2 + -0.1 = 43.1 dBuV Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 69 TABLE 7b. CONDUCTED EMISSIONS DATA CLASS B Test Date: July 26, 2006 UST Project:06-0159 Customer: Cirronet Corporation Model: EM2420HP Zigbee Radio Worse Case Mode of Operaton (TX – Mid channel) (Peak vs Average Limits) Conducted Emissions Test By: Test: Peak vs Average Conducted Emissions – Mid Channel Client: Cirronet Corporation AT Project: 06-0159 Class: BModel: EM2420HP Zigbee Radio FrequencyTest DataAFTest DataAF+CA- AMP ResultsLimitsMarginAverage (MHz)(dBm)Table(dBuV)(dB)(dBuV)(dBuV)(dB) 0.21-63.1 LISNP 43.9-0.143.853.1 9.3PK 0.318-69.7 LISNP 37.30.037.349.8 12.5PK 11.98-73.2 LISNP 33.80.534.350.0 15.7PK 11.76-73.4 LISNP 33.60.534.150.0 15.9PK 12.83-73.5 LISNP 33.50.634.150.0 15.9PK 0.425-71.7 LISNP 35.30.035.347.4 12.0PK 0.213-64.0 LISNN 43.0-0.142.953.1 10.2PK 0.32-75.4 LISNN 31.60.031.649.7 18.1PK 0.64-75.6 LISNN 31.40.031.446.0 14.6PK 27.47-70.8 LISNN 36.20.837.050.0 13.0PK 27.26-71.2 LISNN 35.80.836.650.0 13.4PK 27.55-71.5 LISNN 35.50.836.350.0 13.7PK SAMPLE CALCULATIONS: 37.30 + 0.0 = 37.3 dBuV . Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 70 TABLE 7c. CONDUCTED EMISSIONS DATA CLASS B Test Date: July 26, 2006 UST Project:06-0159 Customer: Cirronet Corporation Model: EM2420HP Zigbee Radio Worse Case Mode of Operaton (TX – High channel) (Peak vs Average Limits) Conducted Emissions Test By: Test: Peak vs Average Conducted Emissions – High Channel Client: Cirronet Corporation AT Project: 06-0159 Class: BModel: EM2420HP Zigbee Radio FrequencyTest DataAFTest DataAF+CA- AMP ResultsLimitsMarginAverage (MHz)(dBm)Table(dBuV)(dB)(dBuV)(dBuV)(dB) 11.13-74.0 LISNP 33.00.533.550.0 16.5PK 0.213-63.2 LISNP 43.8-0.143.753.1 9.4PK 0.18-65.2 LISNP 41.8-0.141.754.5 12.8PK 0.273-69.3 LISNP 37.7-0.137.651.0 13.4PK 27.36-71.7 LISNP 35.30.736.050.0 14.0PK 0.321-70.0 LISNP 37.00.037.049.7 12.7 PK 27.78-71.4 LISNN 35.60.836.450.0 13.6PK 27.66-71.5 LISNN 35.50.836.350.0 13.7PK 27.89-71.5 LISNN 35.50.836.350.0 13.7PK 27.26-70.9 LISNN 36.10.836.950.0 13.1PK 27.455-71.6 LISNN 35.40.836.250.0 13.8PK 27.548-71.7 LISNN 35.30.836.150.0 13.9PK SAMPLE CALCULATIONS: 33.0 + 0.5 = 33.5 dBuV . Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 71 2.14 Radiated Emissions for Digital Device & Receiver (47 CFR 15.109a) Radiated emissions were evaluated from 30 to 14500 MHz while the EUT was placed into a Receive mode of operation. Measurements were made with the analyzer's bandwidth set to 120 kHz measurements made less than 1 GHz and 1 MHz for measurements made greater than or equal to 1 GHz. The results for less than 1 GHz are shown in Table 8a – 8c. FCC ID: HSW-2420HP 72 TABLE 8a RADIATED EMISSIONS DATA (Digital Device & Receiver) CLASS B Test Date:July 25, 2006 UST Project: 06-0159 Customer: Cirronet Corporation Product: EM2420HP Zigbee Radio Measurements 30 MHz – 1 GHz Radiated Emissions Test By: AT Test: FCC Part 15 Low Channel Client: Cirronet Corporation Project: 06-0159 Class: BModel: EM2420HP Zigbee Radio Frequency RangeTableModelS/NValidCalibrated: GBI3mVBIA 25S/N 2451 Yes May 25, 2006 FrequencyTest DataAFTest DataAF+CA- AMP ResultsLimitsDistance/ Polarity MarginPK (MHz)(dBm)Table(dBuV)(dB)(uV/m)(uV/m)(dB)/ QP 36.30-88.0 GBI3mV 19.011.432.9100.03m./VERT 9.6PK No other emissions were detected between 30 MHz and 1 GHz in either Vertical or Horizontal Polarity. ** Conversion from 1 meter to 3 meters = -9.54 dB SAMPLE CALCULATION: RESULTS (uV/m @ 3m) = Antilog ((-88.0 + 11.4 = 107)/20) = 32.9 CONVERSION FROM dBm TO dBuV = 107 dB Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 73 TABLE 8b RADIATED EMISSIONS DATA (Digital Device & Receiver) CLASS B Test Date:July 25, 2006 UST Project: 06-0159 Customer: Cirronet Corporation Product: EM2420HP Zigbee Radio Measurements 30 MHz – 1 GHz Radiated Emissions Test By: AT Test: FCC Part 15 Mid Channel Client: Cirronet Corporation Project: 06-0159 Class: BModel: EM2420HP Zigbee Radio Frequency RangeTableModelS/NValidCalibrated: GBI3mVBIA 25S/N 2451 Yes May 25, 2006 FrequencyTest DataAFTest DataAF+CA- AMP ResultsLimitsDistance/ Polarity MarginPK (MHz)(dBm)Table(dBuV)(dB)(uV/m)(uV/m)(dB)/ QP …

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FCC ID: HSW-2420HP 79 SECTION 3 LABELING INFORMATION (PROVIDED IN SEPARATE PDF DOCUMENT) FCC ID: HSW-2420HP 80 SECTION 4 BLOCK DIAGRAM / SCHEMATIC (PROVIDED IN SEPARATE PDF DOCUMENT) FCC ID: HSW-2420HP 81 SECTION 5 PHOTOGRAPHS (PROVIDED IN SEPARATE PDF DOCUMENT) FCC ID: HSW-2420HP 82 SECTION 6 THEORY OF OPERATION (PROVIDED IN SEPARATE PDF DOCUMENT) FCC ID: HSW-2420HP 83 SECTION 7 USER'S MANUAL (PROVIDED IN SEPARATE PDF DOCUMENT)

1 Cirronet Corporation FCC Part 15, Certification Application EM2420HP Zigbee Radio UST Project: 06-0159 Issue Date: August 7, 2006 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com 2 I certify that I am authorized to sign for the manufacturer and that all of the statements in this report and in the Exhibits attached hereto are true and correct to the best of my knowledge and belief: UNITED STATES TECHNOLOGIES, INC. (AGENT RESPONSIBLE FOR TEST): By: Name: Louis A. Feudi Title: Operations Manager Date: August 7, 2006 Cirronet Corporation 5375 Oakbrook Parkway Norcross, GA 30093 By: Name: Title: Date: This report shall not be reproduced except in full. This report may be copied in part only with the prior written approval of U.S. Technologies. The results contained in this report are subject to the adequacy and representative character of the sample provided. 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com FCC ID: HSW-EM2420HP 1 MEASUREMENT/TECHNICAL REPORT COMPANY NAME:Cirronet Corporation MODEL:EM2420HP Zigbee Radio FCC ID:HSW-2420HP DATE:August 7, 2006 This report concerns (check one): Original grant X Class II change_____ Equipment type: 2.4 GHz Zigbee Radio Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? yes_____ No X If yes, defer until:_________________ date N.A. agrees to notify the Commission by N.A. date of the intended date of announcement of the product so that the grant can be issued on that date. Report prepared by: United States Technologies, Inc. 3505 Francis Circle Alpharetta, GA 30004 Phone Number: (770) 740-0717 Fax Number: (770) 740-1508 FCC ID: HSW-EM2420HP 2 TABLE OF CONTENTS AGENCY AGREEMENT SECTION 1 GENERAL INFORMATION 1.1Product Description 1.2Related Submittal(s) SECTION 2 TESTS AND MEASUREMENTS 2.1Configuration of Tested EUT 2.2Test Facility 2.3Test Equipment 2.4Modifications 2.5Antenna Description 2.6Peak Power (Bandedge Antenna Conducted at Antenna Terminal) 2.7Antenna Conducted Spurious Emissions 2.8Peak Radiated Spurious Emissions 2.9 Average Radiated Spurious Emissions 2.10 Bandedge Requirements 2.11 Minimum 20 dB Bandwidth 2.12 Power Line Conducted for Digital Device & Receiver 2.13 Power Line Conducted Emissions for Transmitter 2.14 Radiated Emissions for Digital Device & Receiver 2.16 Peak Power Spectral Density SECTION 3 LABELING INFORMATION SECTION 4 BLOCK DIAGRAM(S)/ SCHEMATIC(S) SECTION 5 PHOTOGRAPHS SECTION 6 THEORY OF OPERATION SECTION 7 USER'S MANUAL FCC ID: HSW-EM2420HP 3 LIST OF FIGURES AND TABLES FIGURES 1)Test Configuration 2) Photograph(s) for Spurious and Conducted Emissions 3) Peak Output Power 4) Conducted Spurious Emissions 5) Peak Radiated Spurious Emissions 6) Bandedge Compliance Antenna Conducted 7) 6 dB Bandwidth 8) Power Spectral Density TABLES 1)EUT and Peripherals 2) Test Instruments 3) Peak Power Output 4) Peak Radiated Spurious Emissions 5) Average Radiated Spurious Emissions 6) 6 dB Bandwidth 7) Conducted Emissions 8) Radiated Emissions for Digital Device and Receiver FCC ID: HSW-EM2420HP 4 SECTION 1 GENERAL INFORMATION FCC ID: HSW-EM2420HP 5 GENERAL INFORMATION 1.1Product Description The Equipment Under Test (EUT) is a Cirronet Corporation, Model EM2420HP Zigbee Radio modular 2.4 GHz spread spectrum transceiver. The EUT will be used with integrated antenna. FCC ID: HSW-EM2420HP 6 1.2Related Submittal(s)/Grant(s) The EUT will be used to send/receive data. The transceiver presented in this report will be used with other like transceivers: The EUT is subject to the following authorizations: a)Certification as a transceiver (modular approval) b)Verification as a digital device The information contained in this report is presented for the certification & verification authorization(s) for the EUT. The manufacturer desires to seek a modular approval on this device. FCC ID: HSW-EM2420HP 7 SECTION 2 TESTS AND MEASUREMENTS FCC ID: HSW-EM2420HP 8 TEST AND MEASUREMENTS 2.1Configuration of Tested System The sample was tested per ANSI C63.4, Methods of Measurement from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz (1992). Conducted and radiated emissions data were taken with the test receiver or spectrum analyzer's resolution bandwidth adjusted to 9 kHz and 120 kHz, respectively. All measurements are peak unless stated otherwise. The video filter associated with the spectrum analyzer was off throughout the evaluation process. Bock diagrams of the tested systems are shown in Figures 1a and 16. Test configuration photographs for spurious and fundamental emissions are shown in Figure 2a -g. The sample used for testing was received by U.S. Technologies on July 24, 2006 in good condition. 2.2 Test Facility Testing was performed at US Tech's measurement facility at 3505 Francis Circle, Alpharetta, GA. This site has been fully described and submitted to the FCC, and accepted in their letter marked 31040/SIT. Additionally this site has also been fully described and submitted to Industry Canada (IC), and has been approved under file number IC2982. 2.3 Test Equipment Table 2 describes test equipment used to evaluate this product. 2.4 Modifications No modifications were made by US Tech, to bring the EUT into compliance with FCC Part 15, Class B Limits for the transmitter portion of the EUT or the Class B Digital Device Requirements. FCC ID: HSW-EM2420HP 9 FIGURE 1 TEST CONFIGURATION AC Adapter EUT Ethernet USB 6’5” U 120 VAC 60 Hz Direct Plug-in FCC ID: HSW-2420HP 12 TABLE 1 Test Date:JULY 24, 2006 UST Project:06-0159 Customer:Cirronet Corporation Model:EM2420HP Zigbee Radio EUT and Peripherals PERIPHERAL MANU. MODEL NUMBER SERIAL NUMBER FCC ID:CABLES P/D (EUT) Cirronet Corporation EM2420HP Zigbee Radio 008517HSW- 2420HP 7’ U Ethernet 6’8” U USB AC Adapter Volgen SPU10R-1NoneNone6’5” U 120 VAC/ 60 Hz Direct Plug-in FCC ID: HSW-2420HP 13 TABLE 2 TEST INSTRUMENTS EQUIPMENTMODEL NUMBER MANUFACTURERSERIAL NUMBER DATE OF LAST CA…

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FCC ID: HSW-2420HP 33 2.8Peak Radiated Spurious Emission in the Frequency Range 30 -25000 MHz (FCC Section 15.247(c)) The EUT was placed into a continuous transmit mode of operation. A preliminary scan was performed on the EUT to determine frequencies that were caused by the transmitter portion of the product. Significant emissions that fell within restricted bands were then measured on an OAT’s site. Radiated measurements below 1 GHz were tested with a RBW = 120 kHz. Radiated measurements above 1 GHz were measured using a RBW = VBW = 1 MHz. The results of peak radiated spurious emissions falling within restricted bands are given in Table 4a –4c and Figure 5a – Figure 5c. FCC ID: HSW-2420HP 34 Table 4a. PEAK RADIATED SPURIOUS EMISSIONS (Low) Radiated Emissions Test By: Test:FCC Part 15 Low ChannelClient:Cirronet Project: 06-0159 Class:BModel: EM2420HP Frequency RangeTableModelS/NValidCalibrated: 2HN3mHModel : SAS-571S/N 605Yes01 APR 05 (2 Year) FrequencyTest DataAFTest Data AF+CA- AMP ResultsLimitsDistance /MarginPK = n (MHz)(dBm)Table(dBuV)(dB)(uV/m)(uV/m)Polarity(dB)/ QP 2405.28-33.2 2HN3mH 73.831.6186912.5 3m./HORZPK 4810.64-48.0 2HN3mH 59.05.51673.05000.0 3m./HORZ9.5PK 7215.94-48.0 2HN3mH 59.010.73063.318691.3 3m./HORZ15.7PK 9622.2-49.5 2HN3mH 57.513.33477.018691.3 3m./HORZ14.6PK 12025.85-63.8 2HN3mH 43.219.01284.05000.0 3m./HORZ11.8PK Data corrected by 0.1 dB for loss of high pass filter, except to fundamental ** Conversion from 1 meter to 3 meters = -9.54 dB SAMPLE CALCULATION: RESULTS (uV/m @ 3m) = Antilog ((-48.0 + 5.5 + 107)/20) = 1673.0 CONVERSION FROM dBm TO dBuV = 107 dB Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 35 Figure 4a - 1 Peak Radiated Spurious Emission 15.247(c) Fundamental Low FCC ID: HSW-2420HP 36 Figure 4a - 2 Peak Radiated Spurious Emission 15.247(c) Low FCC ID: HSW-2420HP 37 Figure 4a - 3 Peak Radiated Spurious Emission 15.247(c) Low FCC ID: HSW-2420HP 38 Figure 4a - 4 Peak Radiated Spurious Emission 15.247(c) Low FCC ID: HSW-2420HP 39 Figure 4a - 5 Peak Radiated Spurious Emission 15.247(c) Low

FCC ID: HSW-2420HP 40 Table 4b. PEAK RADIATED SPURIOUS EMISSIONS (Mid) Radiated Emissions Test By: Test:FCC Part 15 Mid ChannelClient:Cirronet Project: 06-0159 Class:BModel: EM2420HP Frequency RangeTableModelS/NValidCalibrated: 2HN3mHModel : SAS-571S/N 605Yes01 APR 05 (2 Year) FrequencyTest Data AFTest Data AF+CA- AMP ResultsLimitsDistance /Margi n PK = n (MHz)(dBm)Table(dBuV)(dB)(uV/m)(uV/m)Polarity(dB)/ QP 2445.23-32.5 2HN3mH 74.531.7204152.2 3m./HORZPK 4890.66-48.7 2HN3mH 58.35.81594.65000.0 3m./HORZ9.9PK 7336-45.1 2HN3mH 61.910.94367.25000.0 3m./HORZ1.2PK 9781.45-47.2 2HN3mH 59.813.54630.320415.2 3m./HORZ12.9PK 12226.85-62.7 2HN3mH 44.319.41526.15000.0 3m./HORZ10.3PK Data corrected by 0.1 dB for loss of high pass filter, except to fundamental ** Conversion from 1 meter to 3 meters = -9.54 dB SAMPLE CALCULATION: RESULTS (uV/m @ 3m) = Antilog ((-48.7 + 5.8 + 107)/20) = 1594.8 CONVERSION FROM dBm TO dBuV = 107 dB Tester Signature: Name: Austin Thompson FCC ID: HSW-2420HP 41 Figure 5b - 1 Peak Radiated Spurious Emission 15.247(c) Fundamental Mid FCC ID: HSW-2420HP 42 Figure 5b - 2 Peak Radiated Spurious Emission 15.247(c) Mid FCC ID: HSW-2420HP 43 Figure 5b - 3 Peak Radiated Spurious Emission 15.247(c) Mid FCC ID: HSW-2420HP 44 Figure 5b - 4 Peak Radiated Spurious Emission 15.247(c) Mid FCC ID: HSW-2420HP 45 Figure 5b - 5 Peak Radiated Spurious Emission 15.247(c) Mid

FCC ID: HSW-2420HP 46 Table 4c. PEAK RADIATED SPURIOUS EMISSIONS (High) Radiated Emissions Test By: Test:FCC Part 15 High ChannelClient:Cirronet Project: 06-0159 Class:BModel: EM2420HP Frequency RangeTableModelS/NValidCalibrated: 2HN3mHModel : SAS-571S/N 605Yes01 APR 05 …

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