HSW-DNT90900MHz Transceiver Module

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P Manual www.RFM.com Technical support +1.678.684.2000 Page 1 of 86 ©2010 by RF Monolithics, Inc. E-mail: [email protected] DNT90 Integration Guide - 10/25/10 DNT90 Series 900 MHz Spread Spectrum Wireless Transceivers Integration Guide www.RFM.com Technical support +1.678.684.2000 Page 2 of 86 ©2010 by RF Monolithics, Inc. E-mail: [email protected] DNT90 Integration Guide - 10/25/10 Important Regulatory Information RFM Product FCC ID: HSW-DNT90 IC 4492A-DNT90 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 pro- tection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the in- structions, may cause harmful interference to radio communications. 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 to correct the interference by one or more of the following measures: 1) Re-orientate or relocate the receiving antenna, 2) Increase the separation between the equipment and the radiator, 3) Connect the equipment into an outlet on a circuit different from that to which the receiver is connected, 4) Consult the dealer or an experienced radio/TV technician for help. FCC Antenna Gain Restriction and MPE Statement: The DNT90 has been designed to operate with any dipole antenna of up to 5.1 dBi of gain, or any Yagi of up to 6.1 dBi gain. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Industry Canada Specific Statements: The term “IC:” before the radio certification number only signifies that Industry Canada technical specifica- tions were met. This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations. 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. Cet appareillage numérique de la classe B répond à toutes les exigences de l'interférence canadienne causant des règlements d'équipement. L'opération est sujette aux deux conditions suivantes: (1) ce dis- positif peut ne pas causer l'interférence nocive, et (2) ce dispositif doit accepter n'importe quelle interfé- rence reçue, y compris l'interférence qui peut causer l'opération peu désirée. www.RFM.com Technical support +1.678.684.2000 Page 3 of 86 ©2010 by RF Monolithics, Inc. E-mail: [email protected] DNT90 Integration Guide - 10/25/10 IC RSS-210 Detachable Antenna Gain Restriction: This device has been designed to operate with the antennas listed below, and having a maximum gain of 6.1 dB. Antennas not included in this list or having a gain greater than 6.1 dB are strictly prohibited for use with this device. The required antenna impedance is 50 ohms: RFM RWA092R Omnidirectional Dipole Antenna, 2 dBi RFM OMNI095 Omnidirectional Dipole Antenna, 5 dBi RFM YAGI099 Directional Antenna, 6.1 dBi To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that permitted for successful communication. See Section 6.8 of this manual for regulatory notices and labeling requirements. Changes or modifica- tions to a DNT90 not expressly approved by RFM may void the user’s authority to operate the module. www.RFM.com Technical support +1.678.684.2000 Page 4 of 86 ©2010 by RF Monolithics, Inc. E-mail: [email protected] DNT90 Integration Guide - 10/25/10 Table of Contents 1.0 DNT90 Introduction .......................................................................................................................... 5 1.1 Why Spread Spectrum? ............................................................................................................ 5 1.2 Frequency Hopping versus Direct Sequence ............................................................................ 6 2.0 DNT90 System Overview ................................................................................................................. 7 2.1 Point-to-Point Systems .............................................................................................................. 7 2.2 Point-to-Multipoint Systems ....................................................................................................... 8 2.3 Store-and-Forward Systems ...................................................................................................... 8 2.4 RF Channel Access ................................................................................................................... 9 2.5 DNT90 Addressing .................................................................................................................... 9 2.6 Network Linking and Slot Registration .................................................................................... 10 2.7 Transparent and Protocol-formatted Serial Data ..................................................................... 10 3.0 DNT90 Application Interfaces ........................................................................................................ 11 3.1 Serial Port .....................................................................................................…

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October 25 th 2010 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam, I hereby appoint Sam Wismer at Advanced Compliance Solutions, Inc. to act as our agent in the preparation of an application for equipment authorization of FCC ID HSW-DNT90 to the FCC rules and regulations. I certify that all exhibits contained within this filing properly describe the device or system for which authorization is sought. I further certify that appropriate arrangements have been made to assure that production units of this equipment bearing the name and FCC identifier listed in this application will continue to comply with the Commission’s requirements. I further certify by signature that no party (per 47 CFR 1.2002(b)) to the application is subject to a denial of Federal benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). This appointment also includes the authority to complete FCC Form 731 on our behalf and sign the application as an authorized agent. Sincerely, Mark Tucker Director of Hardware Engineering RFM/Cirronet

Advanced Compliance Solutions – 5015 B.U. Bowman Drive, Buford, GA 30518 Phone: (770) 831-8048 Fax: (770) 831-8598 October 29, 2010 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: RFM/Cirronet respectfully requests confidentiality of certain materials provided with the submission of the DNT90 under FCC ID: HSW-DNT90 in accordance with FCC Regulations 0.459. The confidentiality request applies to the following exhibits: 10-0314.W06.11.A – Schematics.pdf 10-0314.W06.11.A – System Block Diagram.pdf 10-0314.W06.11.A – Theory of Operation.pdf . The DNT90 has been developed at considerable effort and expense by RFM/Cirronet. These items are considered as Trade Secrets and therefore public access to the proprietary material could possibly result in duplication of equipment that could severely damage the company’s business advantage. I appreciate your assistance in this matter. Sincerely, Sam Wismer Vice President, Technology Agent

5015 B. U. Bowman Dr. Buford, GA 30518 October 28, 2010 ACS TCB 5015 B.U. Bowman Drive Buford, GA 30518 Re: FCC ID: HSW-DNT90 To Whom It May Concern: The following application is submitted on behalf of our client, RFM/Cirronet, for evaluation of their models DNT90C and DNT90P for single modular approval certification under FCC Part 15.247. The DNT90C and DNT90P are frequency hopping spread spectrum (FHSS) transceiver modules operating in the 902-928MHz frequency band. The DNT90C and DNT90P are electrically identical and differ only in their mounting option. The DNT90C is a castellated version and the DNT90P is a pin version for socket mounting. The DNT90 was tested in full to the requirements of the aforementioned rules and was found to be in compliance. Sincerely, Sam Wismer Vice President, Technology Advanced Compliance Solutions, Inc.

Page 1 of 2 Date: October 25 th 2010 Reference: FCC 15.212 PART 15 UNLICENSED MODULAR TRANSMITTER APPROVAL REQUIREMENTS RFM/Cirronet DNT90 Module Per FCC 15.212, RFM/Cirronet’s DNT90 modules are compliance with the requirements listed below. 1. The modular transmitter must have its own RF shielding. RFM/Cirronet’s DNT90 Module has shielding as required. 2. The modular transmitter must have buffered modulation/data inputs. RFM/Cirronet’s DNT90 Module has buffered modulation and data inputs. 3. The modular transmitter must have its own power supply regulation. RFM/Cirronet’s DNT90 Module has its own internal regulator. 4. The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(c). RFM/Cirronet’s DNT90 Module uses a non-standard UFL RF connector. 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. RFM/Cirronet’s DNT90 Module was tested in a stand-along configuration using a support PC board. Page 2 of 2 6. The modular transmitter must be labeled with its own FCC ID number. RFM/Cirronet’s DNT90 Module is design as an OEM module. The DNT90 module will be labeled with instructions given to the OEM customer for FCC label requirements. 7. The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter. RFM/Cirronet’s DNT90 Module meets the specific requirements of FCC Part 15.247. 8. The modular transmitter must comply with any applicable RF exposure requirements. RFM/Cirronet’s DNT90 module meets the specific requirements for the FCC MPE RF Exposure. Applicable warnings for RF Exposure are included in the Integration Guide for the DNT90 module. Respectfully, Mark Tucker Director of Engineering RFM/RFM/Cirronet Inc. 3079 Premiere Parkway, Suite 140 Duluth, GA 30097 USA TEL: 678 684 2000 FAX: 678 684 2001 [email protected] www.rfm.com

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P External Photos Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 2 Figure 1: PCB (DNT90C) – Front Figure 2: PCB (DNT90P) - Front Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 3 Figure 3: PCB - Back

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P Label Information Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 2 Figure 1: Label Sample and Location - (DNT90C) Figure 2: Label Sample and Location - (DNT90P)

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P Internal Photos Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 2 Figure 1: PCB with Shields - Front Figure 2: PCB - Back

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P RF Exposure Model: DNT90C,DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 2 General Information: Applicant: RFM/Cirronet ACS Project: 10-0314 Device Category: Mobile Environment: General Population/Uncontrolled Exposure Technical Information: Antenna Description(s): RFM RWA092R Omnidirectional Dipole Antenna, 2dBi RFM OMNI095 Omnidirectional Dipole Antenna, 5dBi RFM YAGI099 Directional Antenna, 6.1dBi Maximum Antenna Gain: 6.1dBi Maximum Transmitter Conducted Power: 21.76dBm, 149.97mW Maximum System EIRP: 27.86dBm, 610.94mW Exposure Conditions: Greater than 20 centimeters MPE Calculation The Power Density (mW/cm 2 ) is calculated as follows: S = 2 4R PG  Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 915.2421.760.61149.976.14.074 200.122 Power Densit y (mW/cm^2) Distance (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Antenna Gain (dBi) Antenna Gain (mW eq.) Installation Guidelines The installation manual should contain text similar to the following advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: RF Exposure In accordance with FCC requirements of human exposure to radio frequency fields, the radiating element shall be installed such that a minimum separation distance of 20 centimeters will be maintained. Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Test Report FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model(s): DNT90C, DNT90P Test Begin Date: October 15, 2010 Test End Date: October 27, 2010 Report Issue Date: November 1, 2010 FOR THE SCOPE OF ACCREDITATION UNDER LAB Code 200612-0 This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government. Reviewed by: Kirby Munroe Director, Wireless Certifications ACS, Inc. This test report shall not be reproduced except in full. This report may be reproduced in part with prior written consent of ACS, Inc. The results contained in this report are representative of the sample(s) submitted for evaluation. This report contains 25 pages 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 TABLE OF CONTENTS 1 GENERAL ............................................................................................................................................ 3 1.1 PURPOSE .......................................................................................................................................... 3 1.2 PRODUCT DESCRIPTION ................................................................................................................... 3 1.3 TEST METHODOLOGY AND CONSIDERATIONS ................................................................................. 3 2 TEST FACILITIES .............................................................................................................................. 4 2.1 LOCATION ....................................................................................................................................... 4 2.2 LABORATORY ACCREDITATIONS/RECOGNITIONS/CERTIFICATIONS ................................................ 4 2.3 RADIATED EMISSIONS TEST SITE DESCRIPTION .............................................................................. 5 2.3.1 Semi-Anechoic Chamber Test Site .......................................................................................... 5 2.3.2 Open Area Tests Site (OATS) ................................................................................................. 6 2.4 CONDUCTED EMISSIONS TEST SITE DESCRIPTION ........................................................................... 7 3 APPLICABLE STANDARD REFERENCES .................................................................................... 7 4 LIST OF TEST EQUIPMENT ............................................................................................................ 8 5 SUPPORT EQUIPMENT .................................................................................................................... 9 6 EQUIPMENT UNDER TEST SETUP BLOCK DIAGRAM ........................................................... 9 7 SUMMARY OF TESTS ..................................................................................................................... 10 7.1 ANTENNA REQUIREMENT – FCC: SECTION 15.203 ....................................................................... 10 7.2 POWER LINE CONDUCTED EMISSIONS – FCC: SECTION 15.207 IC: RSS-GEN 7.2.2 ...................... 10 7.2.1 Measurement Procedure ....................................................................................................... 10 7.2.2 Measurement Results ............................................................................................................ 10 7.3 RADIATED EMISSIONS – FCC: SECTION 15.109 (UNINTENTIONAL RADIATION) IC: RSS-210 2.6 . 13 7.3.1 Measurement Procedure ....................................................................................................... 13 7.3.2 Measurement Results ............................................................................................................ 13 7.4 PEAK OUTPUT POWER - FCC SECTION 15.247(B)(2) IC: RSS-210 A8.4(1) ................................... 14 7.4.1 Measurement Procedure (Conducted Method) ..................................................................... 14 7.4.2 Measurement Results ............................................................................................................ 14 7.5 CHANNEL USAGE REQUIREMENTS ................................................................................................ 15 7.5.1 Carrier Frequency Separation – FCC: Section 15.247(a)(1) IC: RSS-210 A8.1(b) ............. 15 7.5.1.1 Measurement Procedure ................................................................................................................... 15 7.5.1.2 Measurement Results ....................................................................................................................... 15 7.5.2 Number of Hopping Channels – FCC: Section 15.247(a)(1)(i) IC: RSS-210 A8.1(c) .......... 16 7.5.3 Channel Dwell Time – FCC: Section 15.247(a)(1)(i) IC: RSS-210 A8.1(c) ......................... 17 7.5.3.1 Measurement Procedure ................................................................................................................... 17 7.5.3.2 Measurement Results ....................................................................................................................... 17 7.5.4 20dB / 99% Bandwidth - FCC: Section 15.247(a)(1)(i) IC: RSS-210 A8.1(c) .................... 18 7.5.4.1 Measurement Procedure ................................................................................................................... 18 7.5.4.2 Measurement Results ....................................................................................................................... 18 7.6 BAND-EDGE COMPLIANCE AND SPURIOUS EMISSIONS-FCC 15.247(D) IC: RSS-210 A8.5 .......... 20 7.6.1 Band-Edge Compliance of RF Conducted Emissions ................…

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5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: HSW-DNT90 IC: 4492A-DNT90 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 10-0314.W06.11.A Manufacturer: RFM/Cirronet Model: DNT90C, DNT90P Test Setup Photos Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 2 Figure 1: Radiated Emissions – Dipole Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 3 Figure 2: Radiated Emissions – Dipole Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 4 Figure 3: Radiated Emissions – Yagi Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 5 Figure 4: Radiated Emissions – Yagi Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 6 Figure 5: AC Power Line Conducted Emissions – Dipole Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 7 Figure 6: AC Power Line Conducted Emissions – Dipole Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 8 Figure 7: AC Power Line Conducted Emissions – Yagi Antenna Model(s): DNT90C, DNT90P FCC ID: HSW-DNT90 IC: 4492A-DNT90 ACS Report: 10-314.W06.11.A Advanced Compliance Solutions Page 9 Figure 8: AC Power Line Conducted Emissions – Yagi Antenna