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910805 1 E-J Electronics Co., Ltd. 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Date: Apr. 30, 2012 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: We, the undersigned, hereby authorize ELECTRONICS TESTING CENTER, TAIWAN, 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 ELECTRONICS TESTING CENTER, TAIWAN on our behalf shall have the same effect as acts of our own. We, 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 ELECTRONICS TESTING CENTER, TAIWAN 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; 910805 2 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, (signature) Stephen Wei / Sales Manager E-J Electronics Co., Ltd. 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.)

910805 1 E-J Electronics Co., Ltd. 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Federal Communications Commission FCC ID: NTMWT-300T Product Name: Tour Guide System Model Name: WT-300T Trade Name: OKAYO Dear Sir: In accordance with 47 C.F.R. Section 0.459, we would like to request confidentiality on some exhibits we submitted for above application for the reason of trade secret. If those exhibits are available for public inspection, any person who once gets the information contained in those exhibits will be able to design and to make the same products very easily. This is a very serious problem and huge loss for us, because we did invest so much on it. Please be not made the Exhibit Types listed below routinely available for public inspection: Block Diagram and Schematics and Operation Description and Tune Up Procedure. By: By: Stephen Wei (Signature) (Printed) Title : Sales Manager Applicant : E-J Electronics Co., Ltd. Address : 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Tel : 886-4-24071617 Fax: 886-4-24071609 Date : Apr. 30, 2012

ETC Report No.:12-04-RBF-141-01 Sheet 1 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTED PHOTOS of EUT 1. 2. ETC Report No.:12-04-RBF-141-01 Sheet 2 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTED PHOTOS of EUT 3. 4. ETC Report No.:12-04-RBF-141-01 Sheet 3 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTED PHOTOS of EUT 5. 6. ETC Report No.:12-04-RBF-141-01 Sheet 6 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTION PHOTOS OF EUT Alternative Housing 1. 2. ETC Report No.:12-04-RBF-141-01 Sheet 7 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTION PHOTOS OF EUT 3. 4. ETC Report No.:12-04-RBF-141-01 Sheet 8 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTION PHOTOS OF EUT 5. 6. ETC Report No.:12-04-RBF-141-01 Sheet 9 of 9 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTION PHOTOS OF EUT 7.

17.5mm 31.5 mm R=0.5 置中貼於凹槽內 WT-300T

ETC Report No.:12-04-RBF-141-01 Sheet 4 of 7 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTED PHOTOS of EUT 7. 8. ETC Report No.:12-04-RBF-141-01 Sheet 5 of 7 Sheets FCC ID.: NTMWT-300T Rev. 2.0 CONSTRUCTED PHOTOS of EUT 9.

Rev. 2.0 FCC Part 74 Subpart H EMI TEST REPORT of E.U.T. :Tour Guide System FCC ID. : NTMWT-300T Model No. : WT-300T Working Frequency : 640-664 MHz for APPLICANT : E-J Electronics Co., Ltd. ADDRESS : 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Test Performed by ELECTRONICS TESTING CENTER (ETC) , TAIWAN NO. 34. LIN 5. DINGFU, LINKOU DIST., NEW TAIPEI CITY, TAIWAN, 24442, R.O.C. TEL : (02)26023052 FAX : (02)26010910 http:// www.etc.org.tw ; e-mail:[email protected] Report Number : 12-04-RBF-141-01 ETC Report No.:12-04-RBF-141-01 FCC ID.: NTMWT-300T Rev. 2.0 TEST REPORT CERTIFICATION Applicant : E-J Electronics Co., Ltd. 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Manufacturer : E-J Electronics Co., Ltd. 4F., No.11, Lane. 125, Sec. 1, Guoguang Rd., Dali Dist., Taichung City 41262, Taiwan (R.O.C.) Description of EUT : a) Type of EUT : Tour Guide System b) Trade Name : OKAYO c) Model No. : WT-300T d) FCC ID : NTMWT-300T e) Working Frequency : 640~664 MHz f) Power Supply : 1.2V(Ni-MH) x 2 AA type rechargeable batteries / 1.5V x 2 AA Alkaline disposable Regulation Applied : FCC Rules and Regulations Part 74 Subpart H I HEREBY CERTIFY THAT; The data shown in this report were m ade in accordance with the procedures given in ANSI C63.4 and the energy emitted by the device was founded to be within the limits applicable. I assume full responsibility for accuracy and completeness of these data. ETC Report No.:12-04-RBF-141-01 FCC ID.: NTMWT-300T Rev. 2.0 Issued Date : May 22, 2012 Test Engineer : ( Vincent Chang, Engineer ) Approve & Authorized Signer : S. S. Liou, Section Manager EMC Dept. II of ELECTRONICS TESTING CENTER, TAIWAN ETC Report No.:12-04-RBF-141-01 FCC ID.: NTMWT-300T Rev. 2.0 Table of Contents Page 1. GENERAL INFORMATION ............................................................................................................................... 1 1.1 PRODUCT DESCRIPTION........................................................................................................................................... 1 1.2 TEST METHODOLOGY.............................................................................................................................................. 1 1.3 TEST FACILITY........................................................................................................................................................ 1 2. REQUIREMENTS OF PROVISIONS ................................................................................................................ 2 2.1 DEFINITION............................................................................................................................................................. 2 2.2 FREQUENCIES AVAILABLE...................................................................................................................................... 2 2.3 REQUIREMENTS FOR RADIO EQUIPMENT ON CERTIFICATION..................................................................................2 2.4 LABELING REQUIREMENT........................................................................................................................................ 3 3. OUTPUT POWER MEASUREMENT ................................................................................................................ 4 3.1 PROVISION APPLICABLE.......................................................................................................................................... 4 3.2 MEASUREMENT PROCEDURE................................................................................................................................... 4 3.3 TEST DATA.............................................................................................................................................................. 6 3.4 RESULT CALCULATION............................................................................................................................................ 7 3.5 TEST EQUIPMENT.................................................................................................................................................... 7 4. MODULATION CHARACTERISTICS ............................................................................................................. 8 4.1 PROVISIONS APPLICABLE........................................................................................................................................ 8 4.2 MEASUREMENT METHOD........................................................................................................................................ 8 4.3 MEASUREMENT INSTRUMENT.................................................................................................................................. 9 4.4 MEASUREMENT RESULT.......................................................................................................................................... 9 5. OCCUPIED BANDWIDTH OF EMISSION .................................................................................................... 11 5.1 PROVISIONS APPLICABLE...................................................................................................................................... 11 5.2 MEASUREMENT METHOD...................................................................................................................................... 11 5.3 OCCUPIED BANDWIDTH TEST EQUIPMENT............................................................................................................11 5.4 BANDWIDTH MEASURED....................................................................................................................................... 12 5.4.1 Input Level Derived...................................................................................................................................... 12 5.4.2 Occupied Bandwidth Plotted.......…

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ETC Report No.:12-04-RBF-141-01 Sheet 26 of 32 Sheets FCC ID.: NTMWT-300T Rev. 2.0 6.6 Radiated Measurement Photos