FCC ID: 2AX3Y-RFSOUND01 FM transmitter

Wireless FM Radio Transmitter V1.0 Product introduction:

1. 88-108MHZ full band step 0.1MHZ adjustable 2. Volume digital and analog dual adjustment 3. Digital linear adjustment of power 0.1W-0.5W(1W) 4. Timing on and off RF signal (select function) 5. High-definition sound quality: S / N signal-to-noise ratio:> 75db modulation distortion: <0.3%

Structure description Instructions 1.Up and down keys can step 0.1MHZ to increase or decrease the transmission frequency 2.Press the M menu key to switch to different functions, adjusted by the up and down keys. 3. power of the machine For transmission power adjustment, 1% is about 0.1W minimum, 100% is the maximum 4.The microphone and audio interfaces are standard 3.5MM stereo interfaces 5.Only the timed version can adjust the time and the year, month, day and week 6.The antenna interface is BNC. When the transmission power is greater than 5W, please use a 50 antenna with good performance, otherwise it will produce noise and even damage the transmitter. 7Timed version(optional): Please contact the seller to request the computer timed software. When the USB data cable is connected to the computer, it does not need to be connected to the power supply. When the timing is set, there is no need to connect to the computer. The timing program is automatically stored in the machine. Specifications Frequency range: 88.1-107.9MHZ(76.0-90.0MHZ)Adjustable frequency Frequency accuracy: 5ppm S / N signal to noise ratio:> 75db Modulation distortion: <0.3%

Pre-emphasis: 50us Audio input level: 300mv 20%

Microphone input level: 4mv 20%

MP3 reading format: wmv, MP3 Stereo separation: <55db Frequency response: 30-15000HZ RF output socket: BNC Power supply voltage: 85-264VAC 47-63HZ Ambient temperature: -40 -70 Overall size: 120X50X185mm (including protruding parts) Note: Please follow local laws and regulations when using radio equipment. Launch distance reference value7W about 1KM15W about 3-5KM(Need to use Outdoor antenna)1.5W about 300M(This distance will be affected by the environment, receiving sensitivity, and the height of the transmitter) Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. NOTE: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. FCC Statement: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. RF exposure compliance statement:

This device has been evaluated to meet the general RF exposure requirement

SIEZ: 30*60mm FM transmitter MODEL: CD01 FCC ID: 2AX3Y-RFSOUND01 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.

Chengdu YiLe Electronic Technology Company Ltd. Agent Authorization Company: Chengdu YiLe Electronic Technology Company Ltd. Address: Room 11 1F Unit 1, Block 4No. 1, Beidong Street, Qing Yang District, Chengdu, China Product Name: FM transmitter Model Number(s): CD01, 15S We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Yang Jun Title:

manager Date:

Nov. 04, 2020 Company: Chengdu YiLe Electronic Technology Company Ltd.

Chengdu YiLe Electronic Technology Company Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2AX3Y-RFSOUND01 Date: Nov. 04, 2020 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure External Photos Test Setup Photos Internal Photos User Manual In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Yang Jun Title: manager

Chengdu YiLe Electronic Technology Company Ltd. Model Confirmation Letter We, Chengdu YiLe Electronic Technology Company Ltd. , certify the product: FM transmitter , Model No.: CD01, 15S All models the function, software and electric circuit are the same, only product model named different. Signiture:

Grantee Contact:Yang Jun Company Name: Chengdu YiLe Electronic Technology Company Ltd. Date: Nov. 04, 2020