OHN-B1000-2Narrow Band Repeater

User Manual 09-05-0001-00 DB-1000 Digital Station 216-222 MHz 25 watts DIGITAL WIRELESS CORPORATION FCC Interference Warning The FCC requires that manuals pertaining to Class A and Class B computing devices must contain warnings about possible interference with local residential radio and TV reception. This warning reads as follows: NOTE: This equipment has been tested and found to comply with the limited 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 when the equipment is operated in a commercial or residential environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Computer Software Copyrights The product described in this Instruction Manual includes copyrighted Digital Wireless Corporation computer programs stored in semiconductor memory or other storage media. Laws in the United States and other countries preserve for Digital Wireless Corporation certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form the copyrighted computer program. Accordingly, any copyrighted computer programs contained in the product described in this Instruction Manual may not be copied or reproduced in any manner without the express written consent of Digital Wireless Corporation, a Delaware corporation. The purchase of the product described in this Instruction Manual shall not be deemed to grant either directly or by implication, estoppel or otherwise, any license under the copyrights, patents or patent applications of Digital Wireless Corporation, except for the normal non-exclusive, royalty free license to use that arises by operation of law in the sale of a product. Modifications Any modifications or changes to the circuitry or settings not approved by Digital Wireless Corporation could void the user’s authority to operate this product. Digital Wireless Corporation 696 Moulton Avenue, Unit E Los Angeles, California 90031 United States of America Tel +1 (323) 276-5300 www.digitalwireless.com The product described in this Instruction Manual was manufactured in the United States of America. This document is copyrighted as of May 20, 2005. i2way is a registered trademark of Digital Wireless Corporation. 1 General Overview The DM-1000-2 Digital Station is a narrowband repeater specifically designed for DV/IP format digital transmissions used on the i2way Network. The station receives i2way Network signals on one frequency, decodes, processes, reformats the data, and rebroadcasts it on another frequency. i2way Network signals contain call control information, streaming digital voice and customer payload data. i2way format stations do not respond to or repeat analog transmissions, or any other form of digital transmission. The DM-1000 Digital Station is available in various models that cover the 138-520 MHz bands. The station receives and transmits data at 10,000 bps using four level frequency shift keying (“4FSK”) in 12.5 kHz channels. The station’s construction is modular, and may be field repaired by simply replacing plug-in modules. It may be configured in single channel “conventional” or multi-channel “trunked” modes. Multi-channel systems are typically trunked, with one channel operating as the “control channel” and the remaining channels as “transaction channels”. This manual details the version for 12.5 kHz spaced channels in the 216-222 MHz bands. 2 Installation The DB-1000 station is designed to be installed indoors, typically in an electronic equipment rack. DWC manufactures equipment cabinets specifically for this purpose although a large number of commercially available “rack cabinets” are suitable. The station may also be installed in a specifically-designed “outdoor” cabinet intended for the housing of sensitive electronic equipment. A trained technician should perform the installation. 2.1 Unpacking after Shipment Receipt The station is normally shipped in a cardboard carton protected by foam. The unit is ready-to-operate, and generally the only included accessories not attached are the power cord and rack-mounting brackets. If the rear panel power switch is protected by tape or other method, remove this before operating. Do not apply power to the station unless a suitable antenna or load is connected to the transmitter output. DB-1000 Station - Instruction Manual Publication PN 09-05-0001-01 (c) 2005 Digital Wireless CorporationPage 1 Version -01 20 JUN 05 File: Base Station Manual.lwp 2.2 Mounting The station is intended to be installed in a standard EIA “19 inch” rack. The station is “one rack unit” high (or about 1.75 inches), and requires about 19 inches of depth to provide space for rear panel connectors. The station is designed to draw fresh air in from the front panel and left front side panel, and exhaust air from the rear and right rear side panels. So, the front and rear of the station should be unobstructed to allow air to freely flow. The 19 inch rack mounting brackets may be installed in any one of several locations. 6-32 machine screws are provided to attach the brackets to the chassis, and the brackets may be installed using the appropriate tapped holes, six per bracket, located at the front, middle and rear of each side of the chassis. Consequently, the station may be installed in a standard EIA 19 inch rack frame, either from the front or the rear. The station may also be installed in an “open-frame” rack where equipment is generally center mounted. DWC base station cabinets further allow for simultaneous front and rear mounting to provide additional earthquake stability, and have additional air filtering and forced air cooling to allow for less than ideal air quality conditions. It is highly recommended that the station be installed in one of the follo…

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August 3, 2005 Federal Communications Commission Authorization & Evaluation Division 7435 Oakland Mills Road Columbia, MD 21045 Ladies and Gentlemen: This letter will authorize the appointment of M. FLOM ASSOCIATES, INC. to act as our Agent in all matters at the Authorization & Evaluation Division of the Federal Communications Division. This appointment is affective until otherwise notified by us. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The Applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 USC 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. Yours sincerely, Digital Wireless Corporation (a Delaware corporation) Brent Jaybush President & CEO cc: M. Flom Associates Inc. 696 Moulton Avenue, Unit E Los Angeles, California 90031 USA Brent Jaybush President & CEO www.digitalwireless.com www.i2way.com DIGITAL WIRELESS CORPORATION

August 8, 2005 Federal Communications Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21045 Reference: FCC ID: OHN-DB1000-2 Subject: Letter requesting indefinite confidentiality of DB1000-2 digital station FCC certification application Ladies and Gentlemen: Pursuant to CFR 47 §§ 0.457, 0.459, Digital Wireless Corporation (DWC) requests that the following identified detailed technical information regarding the DB-1000-2 station be withheld from public inspection indefinitely. 1. Product is expected to be a key component of the nation’s critical infrastructure DWC has developed this product specifically as a result of a 2004 contract with the National Rural Telecommunications Cooperative (NRTC), a non-profit cooperative owned by approximately 1,200 rural electric and rural telephone utilities. The product will become an integral part of NRTC’s interoperable nationwide dispatch radio communications network for the nation’s rural cooperative electric utilities. NRTC member cooperative utilities operate approximately 48% of the nation’s critical electric distribution infrastructure. DWC and NRTC desire to keep the technical details of this rural cooperative radio network, known as the “i2way Network”, and the FCC-certified components that comprise the network, such as the subject station, confidential as an important measure in securing the nation’s critical infrastructure. If the disclosure of such information is made public, which could include access by individuals or organizations seeking to harm the nation’s critical infrastructure, it may cause serious harm to NRTC, DWC, NRTC member 1 696 Moulton Avenue, Unit E Los Angeles, California 90031 USA Brent Jaybush President & CEO www.digitalwireless.com www.i2way.com DIGITAL WIRELESS CORPORATION utilities employing the i2way Network, or the public in areas served by these utilities. 2. Proprietary Confidential Property DWC does not disclose proprietary confidential information about its products to any third parties and as such we request that the FCC does the same and forward the confidentiality acceptance letter to DWC. Our FCC submissions are considered proprietary confidential information. Pursuant to CFR 47 Chapter 1 §§ 0.457(d) and 0.457(d)(2)(i) the exhibits contain details of trade secrets and technical data that is customarily guarded from competitors and not released to the public by DWC. The specific parts of the Exhibits indicated in this letter are considered confidential by DWC and as such should be prevented from disclosure to the public and competitors. DWC has taken necessary measures to have limited access to confidential documents only to DWC internal employees on a need-to-know basis, and have signed confidentiality agreement with employees and NRTC. If the disclosure of such information is made public, it will cause serious competitive harm to DWC. Previously, none of the requested confidential Exhibits have been disclosed to third parties by DWC. The following Exhibits with specific sections described, submitted with the Form 731 Attachments should be held confidential: yExhibit Block DiagramCFR 47 §2.983(d)(6), §2.983(d)(7) Attachment: “Block Diagram” yExhibit SchematicsCFR 47 §2.983(d)(7) Attachment: “Base Station Motherboard”; “Base Station Logic Board”; “Base Station TX 220 MHz UHF”; “Base Station Receiver Board 220 Mhz”; 2 yExhibit Parts ListCFR 47 §2.983(d)(6) - Attachment: “Transmitter Active Components” Modulation generation methods and circuits. yExhibit Theory of OperationCFR 47 §2.983(d)(10) Attachment: “Theory of Operation” Yours sincerely, Digital Wireless Corporation Brent C. Jaybush President & CEO 3

FCC ID = OHN-B1000-2 Model = DB-1000-2 FCC Identification Label 4.00" 1.40"

M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Date: August 18, 2005 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Digital Wireless Corporation Equipment: DB-1000-2 Digital Station FCC ID: OHN FCC Rules: Radiofrequency Radiation Exposure Limits 47 CFR 1.1310 MPE - Mobiles Fixed Based Station X Gentlemen: On behalf of the Applicant, enclosed please find the Supplemental Test Data Report, the whole for Environmental Assessment (MPE) of the referenced equipment as shown. We trust the same is in order. Should you need any further information, kindly contact the writer who is authorized to act as agent. Sincerely yours, David E. Lee, Quality Assurance Manager enclosure(s) cc: Applicant DEL/del M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Environmental Assessment for Mobiles/Fixed Base Station for FCC ID: OHN-B1000-2 Model:DB-1000-2 Digital Station to Federal Communications Commission 47 CFR 1.1310 (MPE) Radiofrequency Radiation Exposure Limits Date Of Report: August 18, 2005 On the Behalf of the Applicant: Digital Wireless Corporation At the Request of: P.O. 16262 Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 Attention of: Brent Jaybush 323-276-5311 Email: [email protected] Supervised By: David E. Lee, Quality Assurance Manager M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Table of Contents Rule Description Page . Test Report 1 . Identification of the Equipment Under Test 2 . Standard Test Conditions and Engineering Practices 4 M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Page 1 of 5 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) Test Report (Supplemental) b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d0580029 d) Client: Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 e) Identification: DB-1000-2 Digital Station Description: A narrowband repeater specifically designed for DV/IP format digital transmissions used on the i2way network. f) EUT Condition: Not required unless specified in individual tests. g) Report Date: August 18, 2005 EUT Received: July15, 2005 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: David E. Lee, Quality Assurance Manager n) Results: The results presented in this report relate only to the item tested. o) Reproduction: This report must not be reproduced, except in full, without written permission from this laboratory. M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Page 2 of 5 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Identification of the Equipment Under Test (EUT) Name and Address of Applicant: Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 Manufacturer: Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 FCC ID: OHN-B1000-2 Model Number: DB-1000-2 Digital Station Description: A narrowband repeater specifically designed for DV/IP format digital transmissions used on the i2way network. Type of Emission: 10K7F1E, 10K7F1D, 11K2F3E Frequency Range, MHz: 216 - 222 Power Rating, Watts: 25W Switchable Variable X N/A Modulation: AMPS TDMA CDMA X OTHER Antenna: Helical X Monopole X Whip X Other Note: For RF Safety test antenna gain taken at the upper range of expected gain (i.e. 0 dBd) and RF Power set to highest nominal power across all channels. M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Page 3 of 5 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 A2LA “A2LA has accredited M. Flom Associates, Inc. Chandler, AZ for technical competence in the field of Electrical Testing. The accreditation covers the specific tests and types of tests listed on the agreed scope of accreditation. This laboratory meets the requirements of ISO/IEC 17025 – 1999 ‘General Requirements for the Competence of Testing and Calibration Laboratories’ and any additional program requirements in the identified field of testing.” Certificate Number: 2152-01 NIST I am pleased to inform you that your laboratory has been validated by the Chinese Taipei Bureau of Standards, Metrology and Inspection (BSMI) under the Asia Pacific Economic Cooperation Mutual Recognition Agreement (APEC MRA). Your laboratory is now formally designated to act as a Conformity Assessment Body (CAB) under Appendix B, Phase I Procedures, of the APEC MRA between the American Institute in Taiwan (AIT) and the Taipei Economic and Cultural Representative Office (TECRO) in the United States, covering equipment subject to Electro-Magnetic Compatibility (EMC) requirements. The names of all validated and nominated laboratories will be posted on the NIST website at http://ts.nist.gov/mra under the ‘Asia’ category.” BSMI Number: SL2-IN-E-041R M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Page 4 of 5 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d0580029 Standard Test Conditions and Engineering Practices Except as noted herein, the following conditions and procedures were observed during the testing: In accordance with ANSI C63.4-1992/2000, section 6.1.9, and unless otherwise indicated in the…

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M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d058001919 Date: August 15, 2005 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Digital Wireless Corporation Equipment: DB-1000-2 Digital Station FCC ID: OHN-B1000-2 FCC Rules: 90 and Confidentiality Gentlemen: On behalf of the Applicant, enclosed please find Application Form 731, Engineering Test Report and all pertinent documentation, the whole for approval of the referenced equipment as shown. Filing fees are attached. We trust the same is in order. Should you need any further information, kindly contact the writer who is authorized to act as agent. Sincerely yours, David E. Lee, Quality Assurance Manager enclosure(s) cc: Applicant DEL/del M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d058001919 Transmitter Certification of Model: DB-1000-2 Digital Station FCC ID: OHN-B1000-2 to Federal Communications Commission Rule Part(s) 80, 90 and Confidentiality Date of report: August 15, 2005 On the Behalf of the Applicant: Digital Wireless Corporation At the Request of: P.O. 16262 Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 Attention of: Brent Jaybush 323-276-5311 Email: [email protected] Supervised by: David E. Lee, Quality Assurance Manager M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d058001919 List of Exhibits (FCC Certification (Transmitters) - Revised 9/28/98) Applicant: Digital Wireless Corporation FCC ID: OHN-B1000-2 By Applicant: 1. Letter of Authorization 2. Confidentiality Request: 0.457 And 0.459 3. Part 90.203(e) & (g) Attestation 4. Identification Drawings, 2.1033(c)(11) Label Location of Label Compliance Statement Location of Compliance Statement 5. Photographs, 2.1033(c)(12) 6. Documentation: 2.1033(c) (3) User Manual (9) Tune Up Info (10) Schematic Diagram (10) Circuit Description Block Diagram Parts List Active Devices 7. MPE Report By M.F.A. Inc.: A. Testimonial & Statement of Certification M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d058001919 The Applicant has been cautioned as to the following: 15.21 Information to the User. The users manual or instruction manual for an intentional radiator shall caution the user that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 15.27(a) Special Accessories. Equipment marketed to a consumer must be capable of complying with the necessary regulations in the configuration in which the equipment is marketed. Where special accessories, such as shielded cables and/or special connectors are required to enable an unintentional or intentional radiator to comply with the emission limits in this part, the equipment must be marketed with, i.e. shipped and sold with, those special accessories. However, in lieu of shipping or packaging the special accessories with the unintentional or intentional radiator, the responsible party may employ other methods of ensuring that the special accessories are provided to the consumer, without additional charge. Information detailing any alternative method used to supply the special accessories for a grant of equipment authorization or retained in the verification records, as appropriate. The party responsible for the equipment, as detailed in § 2.909 of this chapter, shall ensure that these special accessories are provided with the equipment. The instruction manual for such devices shall include appropriate instructions on the first page of text concerned with the installation of the device that these special accessories must be used with the device. It is the responsibility of the user to use the needed special accessories supplied with the equipment. M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, fax (480) 926-3598 MFA p0570007, d058001919 Table of Contents Rule Description Page 2.1033(c)(14) Rule Summary 2 . Standard Test Conditions and Engineering Practices 3 2.1033(c) General Information Required 5 2.1046(a) Carrier Output Power (Conducted) 8 2.1053(a) Field Strength of Spurious Radiation 10 2.1049(c)(1) Emission Masks (Occupied Bandwidth) 14 2.1055(a)(1) Frequency Stability (Temperature Variation) 26 2.1055(b)(1) Frequency Stability (Voltage Variation) 28 2.202(g) Necessary Bandwidth and Emission Bandwidth 30 M. Flom Associates, Inc. 3356 North San Marcos Place, Suite 107 Page 1 of 30 Chandler, Arizona 85225-7176 FCC ID: OHN-B1000-2 (480) 926-3100 phone, (480) 926-3598 fax MFA p0570007, d0580019 Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) Test Report b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d0580019 d) Client: Digital Wireless Corporation 696 Moulton Ave, Unit E Los Angeles, CA 90031 e) Identification: DB-1000-2 Digital Station FCC ID: OHN-B1000-2 EUT Description: A narrowband repeater specifically designed for DV/IP format digital transmissions used on the i2way network. f) EUT Condition: Not required unless specified in individual tests. g) Report Date: August 15, 2005 EUT Received: July 15. 2005 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: David E. Lee, Quality Assurance Manager n) Results: The results presented in this report relate only to the item…

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