STERSP-DPP-1900HB1900

R-TRON Proprietary & Confidential Page 1 HB 1900 (Heartbeat 1900) User’s Manual R-TRON Proprietary & Confidential Page 2 Copyright Copyright of this manual belongs to R-tron America, Inc. Reproduction, distribution or revision of part or all of contents in this manual in any form without written permission of R-tron America, Inc. is not permitted Registered Trademark R-tron is registered trademarks of R-tron America, Inc Other products and company names mentioned herein this manual might be trade marks or trade names of their respective owners. HB 1900 Copyright © 2004 R-TRON, Inc. All Rights Reserved Copyright © 2005 R-tron America, Inc. All Rights Reserved The results of using information not mentioned in this manual or the risk of misunderstanding this document remain with the user. The information in this manual is subject to change due to function enhancement, change of design, etc. If you want the modified manual or have any question on this manual, please contact us at: R-tron America, Inc Address : 10977 Granada Lane, Suite #225 Overland Park, KS 66212 Tel : +1-913-593-5205 R-TRON Proprietary & Confidential Page 3 Revision History Version Date of revision Reason for revisionRevision Description V1.0 Sep.21.2005 The First Edition V1.1 Oct.05.2005 Second Edition RF EXPOSURE INFORMATION The antenna used for this transmitter must not exceed 2.5dBi and must be installed to provide a minimum separation distance of 20cm from all persons. R-TRON Proprietary & Confidential Page 4 1. Overview HB(Heart Beat)1900 is designed for the purpose of checking the repeater systems which were installed in Sprint network. Using CDMA 1x modem protocol, heartbeat is happened only when the repeater system operates correctly. It traces the repeater status and give heartbeat signal periodically to WNMC server through SNMP Trap. <Heartbeat transfer Configurations> 2. HB 1900 Description R-TRON Proprietary & Confidential Page 5 2.1 HB 1900 Specification 2.1.1 Environmental conditions Item Standard Remark Power supply 85V~264V, 50/60Hz typ. Operating temperature - 20 ~ +50 Storage temperature - 30 ~ +60 Humidity 95 % Consumption power 15W Table 1. Environmental Specification of HB 1900 2.1.2 System Specification Item Specifications Remark Down Link 1930 ~ 1990MHz Frequency range Up Link 1850 ~ 1910 MHz Heartbeat interval 3~59 min Interface Connector RS-232C VSWR 1.5 Atten Range 1~30dB 1dB Step Atten Control Accuracy 1.5dB Dimension(W*D*H) 170*300*74 Unit : mm Weight 2.4kg Table 2. features Specification of HB 1900 2.2 HB 1900 Block Diagram R-TRON Proprietary & Confidential Page 6 3. SUB Unit description & Specification 3.1 Attenuation Module <Figure 1 Attenuation Module> <Figure 2 Block diagram> Attenuation Module function is sending signal to modem which is properly leveled and it sends Signal to repeater wirelessly, controlling modem output level. * Specification * Item Specifications Remark Down Link 1930~1990 MHz Up Link 1850~1910 MHz Frequency range Ant <-> In/Out Insertion Loss -15dB ± 1dB Frequency range (1850 MHz ~1990 MHz) @ ATT 0dB Ant Port -10dBm Max Input Power In/Out Port 20dBm(100mW) ATT Range 30dB / 1dB Step Active Low VSWR - S11,S22 1 : 1.3 Min Ant Port SMA Female Type RF Connector In/Out Port SMA Female Type Interface Connector Molex 5264-7p Operating Temp. -30 ~ +60 Operating Voltage DC 5V ± 0.5V Dimension(W*D*H) 60*90*30 Unit : mm Table 3. Specification of Atten Module R-TRON Proprietary & Confidential Page 7 3.2 Wireless Modem (Expedite C201) <Figure 3 Wireless Modem> Wireless Modem (Expedite C201) is designed for WNMC interconnection function * Specification * Item Specifications Remark Down Link 1930 ~ 1990MHz Frequency range Up Link 1850 ~ 1910 MHz Storage Temperature -30 to + 85 Operating Temperature -20 to +60 RF Channel Bandwidth 1.25MHz Frequency Accuracy 150Hz Operating Voltage 3.45V to 4.20V Maximum Output Power 100mW (20.0dBm) Dinamic Range -104dBm ~ -64dBm 3.3 SNMP Board <Figure 4 SNMP Board> R-TRON Proprietary & Confidential Page 8 The SNMP Board located in the HB 1900 cabinet which is the essential of the HB 1900. The SNMP board contains powerful microprocessors. Operational parameters, such as Heartbeat interval, Modem Attenuation, SNMP version, Site ID, etc. are set using a desktop or notebook and OMT, which communicate, locally via RS-232C cable, with the RRMS. Remote operation is performed via CDMA net * Connection * Port Connected to J1 SNMP Board Vcc J4 Debugging port J5 ATTEN Module Vcc & Control D-SUB 9PIN Local OMT * LED * LED TxD Display communication status between Modem &SNMP Board RxD Display communication status between Modem &SNMP Board OPR Turn on a light in Heartbeat Range RDY Turn on a light when modem power is on 3.4 AC/DC Power Supply Unit <Vendor 1> <Figure 5 AC/DC Power Supply Unit > PSU receives and converts input power (AC 110V) into DC +5V. R-TRON Proprietary & Confidential Page 9 * Specification * Item Specifications Remark Operating Temp -10 ~60 Storage Temp -20 ~70 Humidity 20%~90%RH Environmental Cooling method Natural air Voltage AC85~264V Current 3A Max / 5Vdc Frequency 47~440Hz max(50~60Hz typ) Leakage Current 0.5mA max.@110V AC <Vendor2> Item Specifications Remark Operating Temp -10 ~60 Storage Temp -20 ~75 Humidity 20%~90%RH Environmental Cooling method Natural air Voltage AC85~264V Current 3A Max / 5Vdc Frequency 47~440Hz Leakage Current 0.75mA max. 60Hz R-TRON Proprietary & Confidential Page 10 3.5 Antenna <Figure 6 Antenna > * ELECTRICAL Specification * Item Specifications Remark Down Link 1930 ~ 1990MHz Frequency range Up Link 1850 ~ 1910 MHz Max input power 5W VSWR Less than 1.5:1 Gain 2.0dBi0.5 Radiation pattern Omni-directional Polarization VERTICAL Antenna Type Sleeve dipole Impedance 50 * MECHANICAL SPECIFICATIONS * Item Specifications Remark Overall Length of Ant 166.5 2.0 mm Weight 30 g Temperature -30~+70 Cover material Urethane (HI 153-9082) White COLOR Connector Type SMA-Male 4. Installation 4.1 How to install Program File GUI pr…

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Jisan IT Venture Center 2,3F, 1004-9,10, Doksan-Dong, Gumcheon-Gu, Seoul, Korea Tel: +82-2-896-4101~2(Rep.) Fax: +82-2-896-4107 [email protected] October 24. 2005 Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 In re : R-Tron, Inc. FCC ID: STERSP-DPP-1900 PCS Repeater Remote Monitor System Part 24 Certification Request for Confidentiality Gentlemen: In accordance with 0.459 of CFR 47, R-Tron Inc. hereby requests confidentiality of the Block Diagram, Circuit Diagrams, Repeater Description, Technical Specification, Parts List, and Tune-Up Procedure for the above-referenced certification application. These documents contain detailed system and equipment description and related information about the product which R-Tron Inc. Considers to be proprietary, confidential, and a custom design and, otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, R-Tron Inc. considers this information to be of benefit to its competitors, such that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Sincerely, T. W. KI M Head / R&D Center R-Tron, Inc.

Jisan IT Venture Center 2,3F, 1004-9,10, Doksan-Dong, Gumcheon-Gu, Seoul, Korea Tel: +82-2-896-4101~2(Rep.) Fax: +82-2-896-4107 [email protected] October 24. 2005 Federal Communication Commission Authorization and Evaluation Div. Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 In re : R-Tron, Inc. FCC ID: STERSP-DPP-1900 Request for Short-Term Confidentiality To Whom It May Concern: In accordance with 0.457 and 0.459 of CFR 47, R-Tron Inc. requests short-term confidentiality for the test setup photos, external photos, internal photos, and user’s manual of the attached test report. These documents contain detailed system and equipment descriptions and related information about the product, which R-Tron Inc. considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, R-tron feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Sincerely, T. W. Ki m Head / R&D Center R-Tron, Inc.

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 October 28, 2005 RE: R-TRON Inc. FCC ID: STERSP-DPP-1900 After a review of the submitted information, I have a few comments on the above referenced Application. 1) CDMA should be listed on the 731 form as 1M25F9W. Please correct. 2) EUT photographs can not typically be held under normal confidentiality without strong justification - which does not appear to apply here. Please update the general confidentiality letter to remove this. Please note that any request for photos under Short-Term confidentiality will still be considered acceptable, it is just that they can not be held confidential indefinitely. 3) Internal photographs must show the top and bottom of circuit boards of all RF components, including underneath any existing shields (i.e. inside and both sides of the modem and attenuator components). Additionally, please provide a rear photograph of the SNMP board. 4) A general internal photograph (i.e. such as was shown for the external photos) showing the construction and layout of the inside should also be provided as part of the internal photographs. Please provide. 5) Please provide information regarding both the DC voltages AND DC currents applied into the several elements of the final radio frequency amplifying device for normal operation over the power range been provided? (according to 2.1033(c)(8)). 6) Please provide a description of all circuitry and devices provided for determining and stabilizing frequency, for suppression of spurious radiation, for limiting modulation, and for limiting power been provided (according to 2.1033(c)(10). 7) Please explain if the attenuator installed in the unit is a fixed value and will always be present. Note that current measured power and tune up appear to be around 9 dBm, while the modem is capable of 23 dBm. Please explain. 8) Please provide MPE estimation information in support of not requiring MPE measurements according to 2.1091. 9) User installation should contain some information regarding RF exposure requirements. Please update 10) Many pages of the schematics are not readable. The FCC expects all values to be readable on the schematics. Please correct. 11) The schematics do not include the TX. Note that a schematic for the TX portion of the device is required as specified part 2 for the RF section. Please provide either a schematic for the TX card or as an alternative, the parts list must clearly identify the part that is provided by another manufacturer (show manufacturer, model, etc.). Please provide either a schematic or parts list as specified. 12) FYI.... This application has a short term confidentiality request. Please note that regarding short term confidentiality, you are responsible for the following: a) Note that any documents held under the short-term confidentiality will automatically become public after 45 days. However, please note that a manufacturer may extend this period up to an additional 45 days at least twice after the original 45 day period. This requires an additional cover letter requesting this extension must be submitted to ATCB a minimum of 7 days prior to the expiration of each of the 45 day periods (in this case – estimated to December 15, 2005). z Page 2 October 29, 2005 b) If the manufacturer engages in public marketing activities or otherwise publicizes the device prior to the expiration of the short-term confidentiality period, the applicant must immediately notify ATCB so the exhibits can be made publicly available. Timothy R. Johnson Examining Engineer mailto: [email protected] The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information may result in application termination. Correspondence should be considered part of the permanent submission and may be viewed from the Internet after a Grant of Equipment Authorization is issued. Please do not respond to this correspondence using the email reply button. In order for your response to be processed expeditiously, you must submit your documents through the AmericanTCB.com website. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the sender.

Hello Timothy, We uploaded the revised file on your website. And the response of your comment like as below. 1. revised file uploaded 2. revised confidential letter uploaded - we removed EUT photographs in the confidential letter. 3. revised internal photos file uploaded - we can't separate the attenuator pcb board. So, we can not take a picture the bottom of attenuator pcb board. 4. revised internal photos file uploaded 5. revised tune-up procedure file uploaded 6. The RSP-DPP-1900 system uses the RF modem that already got the FCC approval. The FCC ID of RF modem is "PKRNVWFB2C". So, R-tron guy said to me that we are very difficult to get the schematic and confidential documents from them. Please let me know how can we do that in this case. 7. please see the new tune-up procedure file. 8. we uploaded MPE file. 9. we uploaded revised user manual. 10. we uploaded revised schematics. 11. Same as number 6 reason. Please check them ASAP, and then let me know. Thanks. Jay Kim. >From: Timothy R. Johnson [mailto:[email protected] ] >Sent: Sunday, October 30, 2005 12:45 PM >To: [email protected] ...snip... >NARTE Certified EMC Engineer >No. EMC-002205-NE > >email: [email protected] >alternate email: [email protected] From: "JayKim" <[email protected]> To: "'Timothy R. Johnson'" <[email protected]> Cc: "'Sung-Ryul Kim \(Estech\)'" <[email protected]> Subject: RE: Review of R-TRON, Inc., FCC ID: STERSP-DPP-1900

*HB 1900* <Front View> <Rear View> <The Inside of the HB 1900> <Right Side View> <Left Side View>

FCC ID: STERSP-DPP-1900 PCS Repeater Remote Monitor System R-TRON, Inc.

<The Inside of the HB 1900> <Right Side View> <Left Side View> *Attenuation Module* *SNMP Board* *AC / DC PSU* <Vendor 1> <Vendor 2> *Modem* *Modem* *Antenna*

Company Name Address Telephone Product Name Model No.Manufacturer Serial No. Country of origin Date of IssueDate of Test Report Number : ESTR0510-013Date : 20. October. 2005 Page 1 of 20 FCC ID : STERSP-DPP-1900 EUT Type : PCS Repeater Remote Monitor system Testing Lab. ESTECH. Co., Ltd 82-2-896-4101 PCS Repeater Remote Monitor system HB 1900 NONE R-TRON, Inc. Korea Test Report Report Number Applicant Product 2005-10-20 2005-09-20 ~ 2005-10-20 R-TRON, Inc. ESTR0510-013 Jisan IT Venture Bldg., 2/3F, 1004-9/10, Doksan-Dong, Gumcheon-Gu, Seoul, Korea * Note - This test report is not permitted to copy partly without our permission - This test result is dependent on only equipment to be used - This test result based on a single evaluation of one sample of the above mentioned Standard FCC PART 24 Subpart E Tested by Approved b y S.R. Kim/ Engineer (Signature) Jay Kim/ Engineering Manager (Signature) ATTACHMENT: TEST RESULT CERTIFICATION-----------------------------------------------------------1 1. INTRODUCTION------------------------------------------------------------------------------------------------- -3 2. DESCRIPTION OF EUT----------------------------------------------------------------------------------------- -4 3. DESCRIPTION OF TEST---------------------------------------------------------------------------------------- -5 4. TEST DATA 4.1 EFFECTIVE RADIATED POWER OUTPUT (E.R.P.)-------------------------------------------------- -7 4.2 OCCUPIED BANDWIDTH---------------------------------------------------------------------------------- -9 4.3 FIELD STRENGTH OF SPURIOUS RADIATION------------------------------------------------------ -11 4.4 SPURIOUS EMISSION AT ANTENNA TERMINAL--------------------------------------------------- 14 4.5 FREQUENCY STABILITY---------------------------------------------------------------------------------- -16 5. TEST PLOTS 5.1 PLOTS OF EMISSIONS-------------------------------------------------------------------------------------- -17 5.1.1 PLOTS OF EMISSION (CDMA): BAND EDGE------------------------------------------------------ -19 5.1.2 PLOTS OF EMISSION (CDMA): OUT OF BAND--------------------------------------------------- -20 5.2 MOBILE EMISSION IN BASE FREQUENCY RANGE------------------------------------------------ 21 Report Number : ESTR0510-013 Date : 20. October. 2005 Page 2 of 20 FCC ID : STERSP-DPP-1900 EUT Type : PCS Repeater Remote Monitor system Table of Contents 1.1 General 1.2 Test Lab. Corporation Name: ESTECH Co. Ltd. Head Office: Rm. 1015, World Venture Center II, 426-5, Gansan-dong, Geumcheon-gu, Seoul, 153-803, Korea(Safety & SAR & Telecom. Test Lab) EMC Test Lab.: 58-1, Osan-Ri, GaNam-Myon, YeoJoo-Gun, KyungKi-Do, Korea 97-1, Hoiuk-Ri Majang-Myon, Icheon-city, KyungKi-Do, Korea Report Number : ESTR0510-013Date : 20. October. 2005 Page 3 of 20 FCC ID : STERSP-DPP-1900 EUT Type : PCS Repeater Remote Monitor system This EUT (Equipment Under Test) has been shown to be capable of compliance with the applicable technical standards and tested in accordance with the measurement procedures as indicated in this report ESTECH Lab attests to accuracy of test data. All measurement reported herein were performed by ESTECH Co., Ltd. ESTECH Lab., assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. 1. INSTRUCTION • FCC ID : • Freq. Range : • Power Rating : • EUT Type : • Modulation(s) : Report Number : ESTR0510-013Date : 20. October. 2005 Page 4 of 20 FCC ID : STERSP-DPP-1900 EUT Type : PCS Repeater Remote Monitor system 2. INTRODUCATION 2.1 Summary of Equipment Under Test CDMA - FM STERSP-DPP-1900 Tx : 1850.20 ~ 1908.75 MHz Rx : 1931.25 ~ 1988.75 MHz AC 110V(85V ~ 132V) PCS Repeater Remote Monitor system 3.1 RF Power Output 3.5 Occupied Bandwidth 3.6 Spurious and Harmonic Emission at Antenna Terminal 3.7 Radiation Spurious and Harmonic Emissions Report Number : ESTR0510-013Date : 20. October. 2005 Page 5 of 20 FCC ID : STERSP-DPP-1900 EUT Type : PCS Repeater Remote Monitor system Radiation and harmonic emission are measured outdoors at our 3 meters test range. The equipment under test is placed on a wooden turntable 3 meters from the receive antenna. The receive antenna height and turntable rotations were adjusted for the highest reading on the receive spectrum analyzer (or receiver). A half wave dipole was substituted in place of the EUT. This dipole antenna was driven by a signal generator with the level of the signal generator being adjusted to obtain the same receive spectrum analyzer reading. This level is recorded. For readings above 1GHz, the above procedure is repeated using horn antennas and the difference between the gain of the horn and an isotropic or dipole antenna are taken into consideration. The EUT was placed on a wooden turn table 3 meters from the receive antenna. The receive antenna height and turn table rotation was adjusted for the highest reading on the receive spectrum analyzer. For CDMA signals, a peak detector is used, with RBW = VBW = 3MHz. For AMPS, GSM, and NADC TDMA signals, a peak detector is used, with RBW = VBW = 1MHz, A Horn antenna was substituted in place of the EUT. This Horn antenna was driven by a signal generator and the level of the signal generator was adjusted to obtain the same receive spectrum analyzer reading. This spurious level is recorded. For reading 1GHz, the above procedure is repeated using horn antennas and the difference between the gain of the horn and an isotropic or dipole antenna are taken into consideration. The transmitter output is connected to the spectrum analyzer. The RBW is set to 1% of the Emission bandwidth. The VBW is set to 3 times the RBW. The sweep time is coupled. 3. DESCRIPTION OF THE DEVICE UNDER TEST The level of the carrier and the various conducted spurious and harmonic frequencies is measured by means of a calibrated spectrum analyzer. The spectrum is scanned from the lowest frequency generated in…

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