
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
· minimum distances 10 cm around the apparatus for sufficient ventilations. 10cm de distance minimale autour de l’appareil pour une ventilation suffisante. ·t he ventilation should not be impeded by covering the ventilation openings with items such as newspaper, table-cloths, curtains etc. Ne pas recouvrir les entrées d’aérations avec des objets tel qu’un journal, une nappe, un rideau, etc... · no naked flame sources such as lighted candles should be placed on the apparatus. Aucune source de flamme nue, tel qu’une bougie, ne doit être placée sur l’appareil. ·attention should be drawn to the environmental aspects of battery disposal. Les piles usages doivent être jetées en respectantl’environnement. ·the use of apparatus in tropical and/or moderate climates. L’utilisation de l’appareil dans un climat tropical et/ou modéré Operation Temperature: 25°C La prise du secteur ne doit pas ētre obstruée ou doit ētre facilement accessible pendant son utilisation. Pour étre complètement déconnecté de l'alimentation d'entrée, la prise doit ētre débranchée du secteur. Les piles ne doivent pas ētre exposées à de forte chaleur, tel qu'á la lumière du soleil, au feu ou autres choses de semblable. La prise du secteur est utilisé pour déconnecter le système. La prise du secteur ne doit pas être obstruée ou doit être facilement accessible pendant son utilisation. Pour être complètement déconnecté de l’alimentation d’entrée, la prise doit être débranchée du secteur. L’adaptateur AC/AC de l’appareil est utilisé pour déconnecter le système. L’adaptateur AC/AC de l’appareil ne doit pas être obstrué ou doit être facilement accessible pendant son utilisation. Pour être complètement déconnecté de l’alimentation d’entrée, l’adaptateur AC/AC de l’appareil doit être déconnecté du secteur. WARNING Do not ingest the battery,Chemical Burn Hazard This product contains a coin/button cell battery. If the coin/button is swallowed,it can cause severe internal burns in just 2 hours and can lead to death. Keep new and used batteries away from children. If the battery compartment does not close securely,stop using the product and keep it away from children. If you think batteries might have been swallowed or placed inside any part of the body,seek immediate medical attention. Thank you for purchasing this Emerson SmartSet Dual Alarm Clock Radio. This clock uses Emerson's patented SmartSet Automatic Time Setting System. The first time you connect this clock to your AC outlet, and after every power interruption, within seconds the clock will automatically set itself to the correct Year, Month, Date, Day, and Time. In addition,all changes from Standard Time to Daylight Saving Time, and back to Standard Time, are made automatically. There are dual alarms that can be set and used independently, and both of the alarms can be programmed for everyday operation, weekdays only, or weekends only. There is a long life lithium battery installed in this clock when you buy it. This battery can maintain the time and alarm settings for 1 to 2 years, or even longer. We have taken every precaution to make sure this clock was in perfect working order when it left our factory. If you encounter any problems with the set up or operation of this item, please call the Emerson Consumer Products Corp.,Customer Service Hotline, toll free, at 1 -800-898-9020. ® ® 2 FCC Information 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 protection 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 instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. 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: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help.This device complies with Part 15 of the FCC Rules. 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. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. The socket-outlet shall be installed near the equipment and shall be easily accessible. Le socle de prise de courant doit être installé à proximité du matériel et doit être aisément accessible. l'appareil ne doit pas être exposé à des égouttements d'eau ou des éclaboussures et de plus qu'aucun objet rempli de liquide tel que des vases ne doit être placé sur l'appareil. lorsque la prise du RESEAU D'ALIMENTATION sur l'appareil est utilisée comme appareil de déconnexion, cet appareil doit demeurer aisément accessible. les batteries ne doivent pas être exposées à une chaleur excessive telle que celle du soleil, d'un feu ou d'origine similaire. Press the or button to adjust Year; Setting the Year Setting the Date Setting the Time 6 7 To view the current zone number, press the TIME ZONE button briefly and then release. To change default time zone, press and hold the TIME ZONE b…
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Emerson Radio Corp. Date: 2021-04-15 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ALCVCKS1521 To Whom It May Concern: This letter is to statement that CKS1521, CKS1522, CKS1523/ SmartSet Alarm Clock Radio. has been tested according to FCC Part 15B by Waltek Testing Group Co., Ltd. (Test Report No.: WTD21D01008821E). And the SDOC file, meetting the requirements of the FCC regulations, would been provided when the device is sold by the responsible party in US. The service will not be sold until the SDOC is provided. If the sale does not have an SDOC, all responsibility is the responsibility of the applicant. Sincerely, Signature [Brian Leung] [Engineering Manager] [Emerson Radio Corp.]
Emerson Radio Corp. Date: Apr. 15, 2021 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ALCVCKS1521 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 Schematics Block Diagram Operational Description Schematics.pdf Block Diagram.pdf Operational 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, Emerson Radio Corp. Signature Brian Leung / Engineering Manager Typed name and Title
Emerson Radio Corp. FCC ID: 2ALCVCKS1521 POWER OF ATTORNEY Date: Apr. 15, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf shall have the same effect as acts of our own. This authorization expires on Apr. 14, 2022. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Emerson Radio Corp. are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Emerson Radio Corp. Signature Brian Leung / Engineering Manager Typed name and Title
Emerson Radio Corp. FCC ID: 2ALCVCKS1521 Date: 4/16/2021 Subject: authorization for adding family models To whom it May concern, Statement We would like to confirm the product SmartSet Alarm Clock Radio with models CKS1521, CKS1522, CKS1523 are same in all respects. Only the model names are different for different market requirement. Yours sincerely, [signature] [Brian Leung] [Engineering Manager] [Emerson Radio Corp.]
Appendix- CKS1521-Photos Page 3 of 12 2. Photographs –Constructional Details 2.1. EUT – External View Model CKS1521 FCC ID: 2ALCVCKS1521 Adapter M/N: GQ07-050150-DU Appendix- CKS1521-Photos Page 4 of 12 Adapter M/N: DZ007AHL050150U Appendix- CKS1521-Photos Page 5 of 12 Appendix- CKS1521-Photos Page 6 of 12 Appendix- CKS1521-Photos Page 7 of 12
CKS1521_Label and Label Location Label Sample Master Adapter Location
Appendix- CKS1521-Photos Page 8 of 12 2.2. EUT – Internal View Model CKS1521 FCC ID: 2ALCVCKS1521 Appendix- CKS1521-Photos Page 9 of 12 Appendix- CKS1521-Photos Page 10 of 12 Appendix- CKS1521-Photos Page 11 of 12 BT Ant. Appendix- CKS1521-Photos Page 12 of 12 ======End======
Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 7 TEST REPORT Referen ce No. .................... : WTD21D01008815W002 FCC ID ................................ : 2ALCVCKS1521 Applicant ............................ : Emerson Radio Corp. Address .............................. : 35 Waterview Blvd, Parsippany, New Jersey 07054, United States Manufacturer .................... : HE XUN ELECTRONICS CO., LTD Address .............................. : The 3rd Floor, Workshop, Shiwu (Huizhou Fuersheng Wire and Cable Co., LTD.), Queen Village, Zhenlong Town, Huiyang District, Huizhou city, Guangdong Province, China. Product ............................... : SmartSet Alarm Clock Radio Brand Name ....................... : Emerson Model(s) ............................. : CKS1521, CKS1522, CKS1523 Standards........................... : FCC Part 1.1307 Date of Receipt sample .... : 2021-01-27 Date of Test ....................... : 2021-01-27 to 2021-03-11 Date of Issue ...................... : 2021-03-11 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Project Engineer Daniel Liu / Designated Reviewer Reference No.: WTD21D01008815W002 Page 2 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................................ 2 3. REVISION HISTORY ............................................................................................................................................ 3 4. GENERAL INFORMATION .................................................................................................................................. 4 4.1. GENERAL DESCRIPTION OF E.U.T. ............................................................................................................ 4 4.2. DETAILS OF E.U.T. ..................................................................................................................................... 4 5. TEST SUMMARY .................................................................................................................................................. 5 6. RF EXPOSURE ...................................................................................................................................................... 6 6.1. REQUIREMENTS .......................................................................................................................................... 6 6.2. THE PROCEDURES / LIMIT ........................................................................................................................... 6 6.3. MPE CALCULATION METHOD .................................................................................................................... 7 6.4. RESULT: COMPLIANCE ............................................................................................................................... 7 Reference No.: WTD21D01008815W002 Page 3 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test report No. Date of Receipt sample Date of Test Date of Issue Purpose Comment Approved WTD21D01008815 W002 2021-01-27 2021-01-27 to 2021-03-11 2021-03-11Original - Valid Reference No.: WTD21D01008815W002 Page 4 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: SmartSet Alarm Clock Radio Model(s): CKS1521, CKS1522, CKS1523 Model difference: All models are same in all respects, only the model names are different for different market requirement. The test sample’s model is CKS1521. Operation Frequency: 2402-2480MHz, 79 Channels in total Antenna installation: PCB Printed Antenna Antenna Gain: -0.58dBi Type of Modulation: GFSK, π/4DQPSK Hardware Version: REV 1.0 Software Version: V3.3 4.2. Details of E.U.T. Max. RF output power: -3.82dBm Ratings: Input: 120V AC ~ 60Hz DC 3V by CR2032 Lithium Battery (clock backup) USB output: 5V 1.5A Adapter: Refer to following table Adapter Manufacturer M/N Rating Main Adapter DONGGUAN GURONG ELECTRONIC CO., LTD GQ07-050150-DU INPUT: 120V AC ~ 60Hz POWER CONSUMMPTION: 15W Alternate Adapter GUANGDONG KEERDA ELECTRONIC CO., LTD DZ007AHL050150U Reference No.: WTD21D01008815W002 Page 5 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 5. Test Summary Test Items Test Requirement Result Maximum Permissible Exposure (Exposure of Humans to RF Fields) 1.1307 PASS Reference No.: WTD21D01008815W002 Page 6 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 6. RF Exposure Test Requirement: FCC Part 1.1307 Evaluation Method: FCC Part 2.1091 & KDB 447498 D01 General RF Exposure Guidance v06 6.1. Requirements Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device. 6.2. The procedures / limit (A) Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) …
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Walte k Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 47 TEST REPORT Re ference No. .................... : WTD21D01008815W001 V1 FCC ID ................................ : 2ALCVCKS1521 Applicant ........................... : Emerson Radio Corp. Address ............................. : 35 Waterview Blvd, Parsippany, New Jersey 07054, United States Manufacturer .................... : HE XUN ELECTRONICS CO., LTD Address ............................. : The 3rd Floor, Workshop, Shiwu (Huizhou Fuersheng Wire and Cable Co., LTD.), Queen Village, Zhenlong Town, Huiyang District, Huizhou city, Guangdong Province, China. Product .............................. : SmartSet Alarm Clock Radio Brand Name ....................... : Emerson Model(s). ............................ : CKS1521, CKS1522, CKS1523 Standards .......................... : FCC CFR47 Part 15 Section 15.247 Date of Receipt sample .... : 2021-01-27 Date of Test ....................... : 2021-01-27 to 2021-03-11 Date of Issue ..................... : 2021-04-16 Test Result ........................ : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Test Engineer Daniel Liu /Designated Reviewer Reference No.: WTD21D01008815W001 V1 Page 2 of 47 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ...................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................................ 2 3 REVISION HISTORY ............................................................................................................................................ 4 4 GENERAL INFORMATION .................................................................................................................................. 5 4.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................................. 5 4.2 DETAILS OF E.U.T ........................................................................................................................................... 6 4.3 CHANNEL LIST ................................................................................................................................................. 6 4.4 TEST MODE ..................................................................................................................................................... 6 5 EQUIPMENT USED DURING TEST .................................................................................................................. 7 5.1 EQUIPMENTS LIST ........................................................................................................................................... 7 5.2 MEASUREMENT UNCERTAINTY ....................................................................................................................... 8 5.3 SUBCONTRACTED ............................................................................................................................................ 8 6 TEST FACILITY ..................................................................................................................................................... 8 7 TEST SUMMARY .................................................................................................................................................. 9 8 CONDUCTED EMISSION .................................................................................................................................. 10 8.1 E.U.T. OPERATION ....................................................................................................................................... 10 8.2 EUT SETUP ................................................................................................................................................... 10 8.3 MEASUREMENT DESCRIPTION ...................................................................................................................... 10 8.4 CONDUCTED EMISSION TEST RESULT ......................................................................................................... 11 9 RADIATED EMISSIONS ..................................................................................................................................... 15 9.1 EUT OPERATION ........................................................................................................................................... 15 9.2 TEST SETUP .................................................................................................................................................. 16 9.3 SPECTRUM ANALYZER SETUP ...................................................................................................................... 17 9.4 TEST PROCEDURE ........................................................................................................................................ 18 9.5 CORRECTED AMPLITUDE & MARGIN CALCULATION ..................................................................................... 18 9.6 SUMMARY OF TEST RESULTS ....................................................................................................................... 19 10 BAND EDGE MEASUREMENT ........................................................................................................................ 2…
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Appendix- CKS1521-Photos Page 1 of 12 1. Test Setup photos Model CKS1521 FCC ID: 2ALCVCKS1521 1.1 Photograph – Conducted Emission Test Setup For Conducted Emission Test Site 1# 1.2 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 1# Appendix- CKS1521-Photos Page 2 of 12 For 30MHz-1000MHz Test Site 1# For Above 1GHz Test Site 2#
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 400.00 µW |

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Equipment Class
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