Q6OPS-3500NPAGER TRANSMITTER

PS-3500N (MANUAL) Pager Transmitter User Manual NOTICE This manual, software and electronic circuitry are copyrighted. All rights reserved. Under the copyright laws, this manual, software and electronic circuitry may not be copied, in whole or in part without written prior consent of Lee Technology. All information provided in this document is carefully prepared and offered in good faith as a guide in the installation, use and servicing of our products. Installers must ensure that the final installation operates satisfactorily within the relevant regulatory requirements. Lee Technology accepts no responsibility for incorrect installation. Lee Technology reserves the right to change products, specifications and installation data at any time without notice. Lee Technology makes certain limited warranties with respect to defective diskettes, documentation and electronic circuitry. Please see the associated information contained on this page. LIMITED WARRANTY With respect to the physical documentation and physical electronic circuitry enclosed herein, Lee Technology warrants the same to be free of defects in materials and workmanship for a period of one year from the date of purchase. In the event of notification within the warranty period of defects in material or workmanship, Lee Technology will replace the defective diskettes, documentation and electronic circuitry. The remedy for breach of this warranty shall be limited to replacement and shall not encompass any other damages including but not limited to loss of profit and special incidental, consequential, or other similar claims. Lee Technology Korea specifically disclaims all other warranties, expressed or implied, including but not limited to implied warranties of merchantability and fitness for a particular purpose with respect to defects in the documentation and electronic circuitry and the program license granted herein, in particular, and without limiting operation of the program license with respect to any particular application, use or purpose. IMPORTANT SAFETY INFORMATION CAUTION: To comply with FCC RF exposure compliance requirements, a separation distance of at least 20 cm must be maintained between the antenna of this device and all persons. This device must not be co-located or operation in conjunction with any other antenna or transmitter. Any changes or modifications (including the antenna) made to this device that are not expressly approved by the manufacturer may void the user’s authority to operate the equipment. INTRODUCTION Your Paging System has the following capabilities: • 2-Watts effective radiated power with approximately 1-mile open field range • Operating Frequency 450~470 MHz • Industry standard protocol covering the full range of paging functions • PS-3500N controlled automatic switching between tone/vibe only, numeric, and alphanumeric paging message formats, including multiple tone/vibe cadences • PS-3500N controlled automatic switching between 512, 1200, and 2400 bps RF data rates • Optional unique paging transmitter IDs available for use by VARs/Distributors • Communications protocol designed to ensure reliable communications No paging receiver database programming is required within the paging transmitter. The unique communications protocol in the paging transmitter allows you to operate the transmitter with an unlimited quantity of paging receivers. EQUIPMENT SETUP Keypad Sending Unit: Unwrap all sending unit components. Lock the antenna into the hole in the upper right hand Corner of the sending unit. Plug the power supply with the large tip into a standard 220 outlet and plug it into the back of the sending unit. We recommend some type of surge suppressor on the power supply for protection. Power surges are not covered under system warranty! *SMPS adaptor (Transmitter Use: DC 12V 3.5A) System Programming: To enter programming mode, press the “SETUP” button and enter the password “123” followed by “enter”. If the password is accepted, the display will show “use * to scroll to menu options”. (Use the “ ∗ / Menu” key to scroll through the different menu options or press “CANCEL” to exit the system programming menu.) 1. Set the Current Time • At the “Set Current Time” menu, set the hour then press “ENTER” key. • And then set the minutes and press “ENTER” key. • Use the “# /Select” key to select AM or PM. • After the correct time is set, press the “ENTER” or “∗ / Menu” key to return to the main menu or press the “CANCEL” key 2 times to exit the system programming menu. . 2. Set the Sleep Shutdown Time (Factory Default : ON – 1 AM) This system has an “ALL SLEEP” function that turns off all battery pagers (for example, manager pagers) at once automatically. - To turn this feature off: • Press “#/Select” key to turn the sleep shutdown “OFF” • Press enter to go back to the main menu. - To change the shutdown time: • Press “#/Select” key to turn the sleep shutdown “ON” • Set the hour then press “ENTER” key. • Set the minutes and press “ENTER” key. • Use the “# /Select” key to select AM or PM. • After the correct time is set, press the “ENTER” or “∗ / Menu” key to return to the main menu or press the “CANCEL” key 2 times to exit the system programming menu. 3. Range Test (Factory Default : OFF) With this feature you can determine what distance your transmitter will cover. • At the range test menu, press “#/Select” key to turn range test “ON”. • Press “ENTER” to start the range test. As soon as range test is activated you’ll notice the pagers flash once every 10 seconds (if you use pagers they will vibrate). Walk around your property. When you reach the point where the pagers do not flash consistently, this is your maximum range. We can walk you through changing the power level of your transmitter. • Press the “CANCEL” key to stop the range test. Press the “CANCEL” key again to exit the system programming menu. NOTE : The transmitter has an auto shut off feature that will stop the range test after 15 minutes. 4…

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October 11, 2012 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize KT Kang of KES Co., Ltd. and hereafter referred to as KES Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by KT Kang of KES Co., Ltd. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing KES Co., Ltd. as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Hyosoun Jeoung/ President WELINK REMARK: 1. This authorization letter will be sent along with your application when filing with the Certification Division. 2. Please follow the format and type it on company letterhead and send original to us. 3. Authorized signature must be in agreement with grantee code contact in FCC database.

October 11, 2012 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: Q6OPS-3500N Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Part List CONF APPENDIX_ PS-3500N_Part List.PDF Schematics Diagram(s) CONF APPENDIX_ PS-3500N _Schemetics.PDF Block diagram CONF APPENDIX_ PS-3500N _Block diagram.PDF Operation description CONF APPENDIX_ PS-3500N _Operation description.PDF The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Hyosoun Jeoung/ President WELINK

www.kes.co.kr Model No.: PS-3500N Page 1 of 2 EUT External photographs www.kes.co.kr Model No.: PS-3500N Page 2 of 2

www.kes.co.kr Model No.: PS-3500N Page 1 of 1 Label and Location

www.kes.co.kr Model No.: PS-3500N Page 1 of 6 EUT Internal photographs www.kes.co.kr Model No.: PS-3500N Page 2 of 6 EUT Internal photographs www.kes.co.kr Model No.: PS-3500N Page 3 of 6 EUT Internal photographs www.kes.co.kr Model No.: PS-3500N Page 4 of 6 EUT Internal photographs N/A www.kes.co.kr Model No.: PS-3500N Page 5 of 6 EUT Internal photographs www.kes.co.kr Model No.: PS-3500N Page 6 of 6 EUT Internal photographs

PS-3500N_TRANSMITTER TUNE UP PROCEDURE The procedure in this chapter allows the verification of the electrical performance of transmitter. These tests do not require access to the interior of the instrument. 1. Selected reason of the frequency : PERFORMANCE TEST => Use were selected at random from the desired frequency band. 2. How to adjust the maximum output : => use capacitor, coil, trimmer (max output : 2W below) 3. Max output and Output Tolerance : => Max output : 33dBm Output Tolerance : -1dB ~ -2dB Recommended test equipment DescriptionMinimum specificationModel HP-8591E HP-8902A0 2 to 1300MHz 0 to-125dBm Freq CounterMeasuring receiver HP-436A/8481DPower meter Spectrum analyzer + / - 0.2dB, - 60 to -20dBm. 100 KHz to 1GHz 100KHz to 12GHz, up to -120 dBm Attenuator + / - 0.1ppm, 10Hz ~ 1GHz, 9digit 10W, 20dB Att, DC to 1GHz HP-53181A Tescom 99910 HP 8902A0.2 to 1300MHz, 0 to 125dBm, Freq Counter TEK TDS360 Measuring receiver Oscilloscope Frequency Counter DC to 100MHz, 5mV to 1V/div, Rise Time capavility 1. Frequency Accuracy Frequency : 457.5750MHz Stavility : Same as reference oscillator accuracy. Internal 1ppm 0 to 50degC 1.Test Setup (Connect PS-3500N RF Line without case) DC block HP-8902A DC block 2. HP-8902A : auto tuning, frequency display 3. PS-3500N TRANSMITTER 1) Push button Carrier frequency accuracy test 2. RF Output Level Accuracy Accuracy : +/-1dB RF level : 33dBm below 1.Test Setup HP-8902A (Connect PS-3500N RF Line without case) 2HP-8902A : Auto-tuning RF Power 2.HP 8902A : Auto tuning, RF Power 3. PS-3500N TRANSMITTER 1) Connect DC block 2) Push button and check RF Level 3. Harmonic Spurious Harmonic Level at 2xFOUT : <-40dBc 1. Test Setup. RF OUT input 50 DC block HP-8591E DC block (Connect PS-3500N RF Line without case) 2. HP 8591E : Span = 500KHz, RBW = 10KHz, VBW = 30KHz. 3. PS-3500N TRANSMITTER: Harmonice test 3) Push button and check harmonic Level(dBm )Fout-2*Fout Limit 40dbc 4. Modulation 4.1. FM(RECT) (Internal FSK Test Patterns) Remark PS-3500N TRANSMITTER Harmonic Spurious Fout(MHz) 457.5750MHz Spurious(MHz) 915.15Mhz 1.Test Setup OSCILLOSCOPE Audio input DC block FSK Deviation and Noise Test (Connect PS-3500N RF Line without case) (Connect PS 3500N RF Line without case) 2.Equipment HP-8902A : FM TDS360 : 250us/div, 500mV/div Average : 16 3. PS-3500N TRANSMITTER: 1) Connect DC block 2) Push button and check modulation

RF exposure According to FCC part 1.1310 : The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in § 1.1307(b) Limits for Maximum Permissible Exposure (MPE) f= frequency in ㎒ Friis transmission formula: Pd = (Pout×G)/(4×pi×R 2 ) Where, Pd = power density in ㎽/㎠ Pout = output power to antenna in ㎽ G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd the limit of MPE, f/1500 ㎽/㎠. If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Results Channel Frequency (㎒) Peak output power (㏈m) Antenna gain (㏈i) Power density at 20 ㎝(㎽/㎠) Limit (㎽/㎠) Low 450.025 0 31.47 -2.61 0.152 84 0.300 Middle 457.575 0 32.22 -2.61 0.181 73 0.305 High 469.975 0 32.79 -2.61 0.207 24 0.313 Frequency range (㎒) Electric field strength(V/m) Magnetic field strength (A/m) Power density (㎽/㎠) Average time (A) Limits for Occupational / Control Exposures 300 – 1 500 -- -- f/300 6 1 500 - 100000 -- -- 5 6 (B) Limits for General Population / Uncontrol Exposures 300 – 1 500 -- -- f/1500 6 1 500 – 100 000 -- -- 1 30

KES Co., Ltd. C-3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Test report No.: KES-RF-120070 Page: (1) of (31) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The test results in the report only apply to the tested sample. KES-P-5101-09 Rev.1 KES A4 TEST REPORT Part 90 Equipment under test Pager Transmitter Model name PS-3500N FCC ID Q6OPS-3500N Applicant WELINK Manufacturer Lee Technology Korea Co., Ltd. Date of test(s) 2012.10.04 ~ 2012.10.11 Date of issue 2012.10.11 Issued to WELINK (Jeongbalsan-Dong, jeongbalsan-Dong 1F), 32-2, Daesan-ro11beon-gil, Ilsandong-gu Goyang-si, Gyeonggi-do, Korea Issued by KES Co., Ltd. C3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea 477-6, Hageo-ri, Yeoju-eup, Yeoju-gun, Gyeonggi-do, 469-803, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 Test and report completed by : Report approval by : J.J Lee Test engineer Gyu-cheol Shin Technical manager KES Co., Ltd. C-3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Test report No.: KES-RF-120070 Page: (2) of (31) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The test results in the report only apply to the tested sample. KES-P-5101-09 Rev.1 KES A4 Revision history Revision Date of issue Test report No. Description - 2012.10.11 KES-RF-120070Initial KES Co., Ltd. C-3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Test report No.: KES-RF-120070 Page: (3) of (31) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The test results in the report only apply to the tested sample. KES-P-5101-09 Rev.1 KES A4 TABLE OF CONTENTS 1.0 General product description ............................................................................................................................... 4 1.1 Test frequency .................................................................................................................................................... 4 1.2 Information about variant model ....................................................................................................................... 4 1.3 Device modifications ......................................................................................................................................... 4 1.4 DC input into the final stage .............................................................................................................................. 4 1.4 Test facility ........................................................................................................................................................ 5 1.5 Laboratory accreditations and listings ............................................................................................................... 5 2.0 Summary of tests ............................................................................................................................................... 6 2.1 Test data ............................................................................................................................................................. 7 2.1.1 RF output power ........................................................................................................................................ 7 2.1.2 Bandwidth limitation ............................................................................................................................... 10 2.1.3 Emission mask ......................................................................................................................................... 12 2.1.4 Conducted spurious emissions ................................................................................................................ 15 2.1.5 Frequency stability .................................................................................................................................. 18 2.1.6 Transient frequency behavior of the transmitter ...................................................................................... 22 2.1.7 Radiation spurious emissions .................................................................................................................. 25 Appendix A. Test equipment used for test ........................................................................................................................ 30 Appendix B. Test setup photo ........................................................................................................................................... 31 KES Co., Ltd. C-3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Test report No.: KES-RF-120070 Page: (4) of (31) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The test results in the report only apply to the tested sample. KES-P-5101-09 Rev.1 KES A4 1.0 General product description Equipment under test Pager Transmitter Model name PS-3500N Serial number N/A Frequency Range 450.025 0 ㎒ ~ 469.975 0 ㎒ Type of emission 10K2F1D Channel separation 12.5 ㎑ Maximum output power 1.901 W Power Source AC Adaptor 120 V(Output : DC 12V) Antenna type Connector type(BNC) // Dipole antenna Antenna gain -2.61 ㏈i 1.1 Test frequency Low channel Middle channel High channel Frequency (㎒) 450.025 0 457.575 0 469.975 0 1.2 Information about variant model N/A 1.3 Device modifications N/A 1.4 DC input into the final stage Frequency (㎒) Vo l t a g e ( V ) Current(A) Power(W) 450.012 5 12 0.593…

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KES Co., Ltd. C-3701 Dongil Techno Town, 889-1, Gwanyang 2-dong, Dongan-gu, Anyang-si, Gyeonggi-do, 431-716, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Test report No.: KES-RF-120070 Page: (31) of (31) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The test results in the report only apply to the tested sample. KES-P-5101-09 Rev.1 KES A4 Appendix B. Test setup photo Radiated field emissions N/A