EW780-S113-00Bluetooth Conference Speakerphone

C300 Bluetooth Conference Speakerphone User Manual 2 Copyright, Trademarks, Legal Disclaimers Copyright © 2021 Snom Technology GmbH. All Rights Reserved. Snom, the names of Snom products, and Snom logos are trademarks owned by Snom Technology GmbH. All product specifications are subject to change without notification. Snom Technology GmbH. reserves the right to revise and change this document at any time, without being obliged to announce such revisions or changes beforehand or after the fact. Although due care has been taken in the compilation and presentation of the information in this document, the data upon which it is based may have changed in the meantime. Snom therefore disclaims all warranties and liability for the accurateness, completeness, and currentness of the information published, except in the case of intention or gross negligence on the part of Snom or where liability arises due to binding legal provisions. Important Information Please read the instructions on safety and disposal and on how to set up and use the device before using it and also give them to other users to read or inform those users of their contents. Save this manual and do not give the device to third parties without it. 3 Important Safety Instructions When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury, including the following: 1. Read and understand all instructions. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning. 4. Do not use this product near water such as near a bath tub, wash bowl, kitchen sink, laundry tub or swimming pool, or in a wet basement or shower. 5. Do not place this product on an unstable table, shelf, stand or other unstable surfaces. 6. Slots and openings in the speakerphone are provided for ventilation. To protect them from overheating, these openings must not be blocked by placing the product on a soft surface such as a bed, sofa or rug. This product should never be placed near or over a radiator or heat register. This product should not be placed in any area where proper ventilation is not provided. 7. This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supplied at the premises, consult your dealer or local power company. 8. Do not allow anything to rest on the power cord. Do not install this product where the cord may be walked on. 9. Never push objects of any kind into this product through the slots in the speakerphone because they may touch dangerous voltage points or create a short circuit. Never spill liquid of any kind on the product. 10. To reduce the risk of electric shock, do not disassemble this product, but take it to an authorized service facility. Opening or removing parts of the speakerphone 4 other than specified access doors may expose you to dangerous voltages or other risks. Incorrect reassembling can cause electric shock when the product is subsequently used. 11. Do not overload wall outlets and extension cords. 12. Unplug this product from the wall outlet and refer servicing to an authorized service facility under the following conditions: A. When the power supply cord or plug is damaged or frayed. B. If liquid has been spilled onto the product. C. If the product has been exposed to rain or water. D. If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operation instructions. Improper adjustment of other controls may result in damage and often requires extensive work by an authorized technician to restore the product to normal operation. E. If the product has been dropped and the speakerphone has been damaged. F. If the product exhibits a distinct change in performance. 13. Avoid using a telephone (other than cordless) during an electrical storm. There is a remote risk of electric shock from lightning. 14. Do not use the speakerphone or its connected telephone to report a gas leak in the vicinity of the leak. Under certain circumstances, a spark may be created when the adapter is plugged into the power outlet, or when the handset is replaced in its cradle. This is a common event associated with the closing of any electrical circuit. The user should not plug the speakerphone into a power outlet if the speakerphone is located in an environment containing concentrations of flammable or flame-supporting gases, unless there is adequate ventilation. A spark in such an environment could create a fire or explosion. Such environments might include: medical use of oxygen without adequate ventilation; industrial 5 gases (cleaning solvents; gasoline vapors; etc.); a leak of natural gas; etc. 15. The power adapters are intended to be correctly oriented in a vertical or floor mount position. The prongs are not designed to hold the plug in place if it is plugged into a ceiling, under-the-table or cabinet outlet. 16. For pluggable equipment, the socket-outlet shall be installed near the equipment and shall be easily accessible. 1 7. CAUTION: Use only the batteries indicated in this manual. There may be a risk of explosion if a wrong type of battery is used. Use only the supplied rechargeable battery or replacement battery pack. Do not dispose of batteries in a fire. They may explode. Dispose of used battery according to the information in The RBRC ® seal. 18. Use only the power adapter indicated in this manual. Incorrect adapter polarity or voltage can seriously damage the product. SAVE THESE INSTRUCTIONS The applied nameplate is located at the bottom and rear side of the product base. Battery Cautions Statement Avoid using battery in the following conditions: • High or low extreme temperatures that a battery can be subjected to during use, storage or transportation; • Low air pres…

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VTech Telecommunications Ltd Add: 23/F TaiPingIndCenter Block 1 57 Ting Kok Rd Tai Po NT, Hong Kong Telephone: (852)2680 5398 Fax: (852)2680 5252 E-mail: [email protected] Date: 2021-08-09 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD21046 Dear Sir/Madam, The Main chip, model: DCX81 installed in our product Bluetooth Conference Speakerphone, model: C300,VCS601, FCC ID: EW780-S113-00, this chip supports DECT function, but the DECT function is disabled to use by manufacture in the software, the end user has no capability to activate it. The RF chip, model CW6801P, which installed in our product Bluetooth Conference Speakerphone, Model: C300,VCS601, FCC ID: EW780-S113-00, supports BDR (GFSK), EDR (π/4-DQPSK, 8DPSK), BLE 1M and BLE 2M functions. For use in America and this chip will not support/enable BLE 2M. The BLE 2M has been shielded by the manufacturer using the software. Signature: Michael Tsui Approbation Supervisor

VTech Telecommunications Ltd June 24, 2021 To whom it may concern, Multiple Models Confirmation Letter for FCC/IC I, the undersigned, hereby confirm that the family models are listed in the following table. These models are identical as follows: Electronics/electrical designs, including software & firmware Construction design/Physical design/Enclosure PCB layout (Others, please specify) The only differences between these models are the follows for marketing purpose: Color Cosmetic details Trade name Model Number (Others, please specify) Suffix (“”) represents Color code Packing configuration Others, please specify) Item No. New model Model Number Trade Name Remarks 1 YES C300 SNOM Bluetooth Conference Speakerphone 2 YES VCS601 VTech Bluetooth Conference Speakerphone The sample being submitted to Bay Area Compliance Labs Corp.(Shenzhen) for conformity assessment is C300 (test model) of the above list. All above model's FCC ID is: EW780-S113-00, All above model's IC is: 1135B-80S11300 Regards, Michael Tsui Approbation Supervisor

VTech Telecommunications Ltd Add: 23/F Tai Ping Ind Center Block 1 57 Ting Kok Rd Tai Po NT, Hong Kong Telephone: (852)2680 5398 Fax: (852)2680 5252 E-mail: [email protected] FCC Confidential Authorization Date: 2021/07/20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: EW780-S113-00 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, VTech Telecommunications Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Michael Tsui Approbation Supervisor

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 1 of 3 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 3 of 3

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 1 of 6 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 2 of 6 Bluetooth Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 3 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 4 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 5 of 6 IC Chip NFC Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ1210608-22172E-RF Page 6 of 6

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ1210608-22172EB FCC Part 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2, RSS-247, ISSUE 2, FEBRUARY 2017 Page 10 of 42 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (Minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f 2 ) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz * = Plane-wave equivalent power density Result Calculated Formulary: Predication of MPE limit at a given distance S = 2 4R PG π S = power density (in appropriate units, e.g. mW/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mW). G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain. R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) Frequency (MHz) Antenna Gain Tune up conducted power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) 2402-2480 0 1.0 3.5 2.24 20 0.0004 1 Result: Compliance

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2 RSS-247, ISSUE 2, FEBRUARY 2017 TEST REPORT For FCC: VTech Telecommunications Ltd FCC: 23/F Tai Ping Ind Center Block 1 57 Ting Kok Rd Tai Po NT, Hong Kong ISEDC: VTECH TELECOMMUNICATIONS LIMITED ISEDC: BL.1 23/F Tai Ping Industr Ctr. 57 Ting Kok Road Tai Po, NT Hongkong FCC ID: EW780-S113-00 IC: 1135B-80S11300 Report Type: Original Report Product Type: Bluetooth Conference Speakerphone Re port Number: SZ1210608-22172EB Report Date: 2021-07-12 Reviewed B y: Jimmy Xiao RF Engineer Prepared By: Bay Area Compliant Laboratories Corp. (Shenzhen) 5F(B-West) ,6F,7F,the 3rd Phase of Wan Li Industrial Building D,Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ1210608-22172EB FCC Part 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2, RSS-247, ISSUE 2, FEBRUARY 2017 Page 2 of 42 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 DUTY CYCLE ................................................................................................................................................................ 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ........................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 RESULT ...................................................................................................................................................................... 10 RSS-102 § 2.5.2 –EXEMPTION LIMITS FOR ROUTINE EVALUATION-RF EXPOSURE EVALUATION 11 APPLICABLE STANDARD ............................................................................................................................................ 11 §15.203 & RSS-Gen §6.8 ANTENNA REQUIREMENT ......................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 13 §15.207 (a) & RSS-GEN §8.8 AC LINE CONDUCTED EMISSIONS ................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 EUT SETUP ................................................................................................................................................................ 15 EMI TEST RECEIVER SETUP ....................................................................................................................................... 15 TEST PROCEDURE ......................................................................................…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ1210608-22172E-RF EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: SZ1210608-22172E-RF Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)