FCC ID: 2AEYD-BC91 Bluetooth FM transmitter

by: Shen Zhen Sailing Electronic Co., Ltd latest update: 2026-03-23 model: BC91

Two grants have been issued under this FCC ID on 03/23/2026 (this is one of two releases in 2026 for this grantee). Public details available include manuals, frequency information, and internal & external photos. some products also feature user submitted or linked password defaults, drivers, troubleshooting guides, warrantee terms, & instructions.
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app s submitted / available
1 2 Users Manual pdf 786.60 KiB March 23 2026
1 2 Test Report pdf March 23 2026
1 2 Attestation Statements pdf March 23 2026
1 2 Attestation Statements pdf March 23 2026
1 2 Block Diagram Block Diagram pdf March 23 2026 confidential
1 2 Cover Letter(s) pdf March 23 2026
1 2 External Photos pdf March 23 2026
1 2 Internal Photos pdf March 23 2026
1 2 ID Label/Location Info pdf March 23 2026
1 2 Cover Letter(s) pdf March 23 2026
1 2 Operation Description Operational Description pdf March 23 2026 confidential
1 2 Cover Letter(s) pdf March 23 2026
1 2 RF Exposure Info pdf March 23 2026
1 2 Schematics Schematics pdf March 23 2026 confidential
1 2 Test Report pdf March 23 2026
1 2 Test Report pdf March 23 2026
1 2 Test Setup Photos pdf March 23 2026
1 2 Attestation Statements pdf March 23 2026
1 2 Test Report pdf March 23 2026
1 2 Test Report pdf March 23 2026

 

BC91 Bluetooth FM Transmitter Manual Features:

1. Supports Bluetooth and FM audio transmission 2. Supports QC3.0, QC2.0, PD, Huawei FCP, Samsung AFC, BC1.2, Apple 2.4A, etc charging protocol. 3. Supports WMA, MP3, WAV, APE, FLAC music formats 4. Supports Bluetooth phone, voice, music, navigation 5. Support output over voltage protection, short circuit protection, over current protection, over temperature protection 6. Support BASS acoustics 7. Automatic connect 8. Support U disk to play music Specifications 1. Bluetooth version: 5.3 2. FM frequency: 88.1MHz-107.9MHz 3. Bluetooth effective distance: 10 meters 4. QC3.0 port output 5V/3A9V/2A12V/1.5A 5. PD port output5V/3A9V/3A12V/3A PPS:3.3V-11V/3A 6. Input Voltage12V-24V 7. Maximum output power54W 8. U disk capacitymax 64 GB Product diagram 2. After insertion, the device will automatically start up and display HI -- current voltage -- BT frequency flashing alternately. 3. Turn on the car radio and tune to a blank FM channel 4. Tune the device to the same channel as the car radio. 5. Open the Bluetooth of your phone ,search for the "BC91" , and click Operating instructions:

1. Insert the product into the cigarette lighter of the car after vehicle start. connect. 6. After the connection is successful,then you can play music, navigation or make/answer calls. press any key to turn on. Dial/Answer Call 1. Answer a callclick button 2. Hang up a callclick button When the battery voltage is lower than 11V, the Low Voltage Warning Function FM Frequency Regulation 3. Reject a calllong press button 4. Redial callsdouble click button 1.Long press buttonfrequency is flashing U disk/Bluetooth Switch clockwise rotation button to increase Switch between U disk/Bluetooth mode frequency counterclockwise rotation double click button. button to decrease frequency. Volume Adjustment Ambient Light clockwise rotation button to increase Click buttonturn on/switch ambient volume counterclockwise rotation button to decrease volumewhen the maximum volume will have a "drip, drip" prompt tone Music Control 1. Pause/Playclick button lighting in sequence. long press to enter breathing light mode One-touch bass ClickBOSSbuttonturn on/off bass function 2. Last song--counterclockwise rotation Power on/off function button once 3. Next song--clockwise rotation button once Long press button to turn off FM Transmitter function,keep charging function voltage flashes alarm Warm Tips 1. Do not turn the radio volume too high (usually 18 or below) to avoid the increase of the sound back noise. 2. Although the transmission power of this product is relatively strong, youd better skip the frequency with strong signal in local to get a better sound quality. 3.Do not use this product in a dusty and humid environment with extremely high and low temperatures. 4. Do not drop the product to avoid surface damage or breakdown. 5. Do not disassemble the product, if you have any questions, please contact your dealer. 6. Due to continuous improvement and enhancement of technology, changes in product performance and functionality are subject to change without notice. Troubleshooting Power is not respondin g or not displayed Check if the machine is in good contact with the cigarette port, and the cigarette holder is not seriously rusted. Unplug and re-try again. Check if the cigarette holder is powered normally. Can't play There is noise but no sound The audio of car can't receive sound The launching effect is not good, there is noise Check if the USB device is connected to the player or not, or you can try another USB device. Please make sure that there is copy of the file in the USB device that can be supported by the product. Please make sure the volume is not set to 0. Whether the product player is in a pause state?

Is the volume adjusted to 0 or small?

Make sure that the product FM launch has been turned on. Is the transmission frequency of the product the same as the reception frequency of cars?

Make sure that there is no strong signal station at the frequency of the current transmission. When using it, adjust to the frequency of no radio station to get better sound effect. Packaging accessories 1. User manual 2. Main device FCC Warning Statement Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Changes or modifications not expressly approved Consult the dealer or an experienced radio/TV by the party responsible for compliance could void technician for help. the users authority to operate the equipment. FCC Radiation Exposure Statement This equipment has been tested and found to The antennas used for this transmitter must be comply with the limits for a Class B digital device, installed to provide a separation distance of at least 20 pursuant to Part 15 of the FCC Rules. These limits cm from all persons and must not be colocated for are designed to provide reasonable protection operating in conjunction with any other antenna or against harmful interference in a residential transmitter. installation. This equipment generates uses and can radiate radio frequency energy and, if not This device complies with Part 15 of the FCC Rules. Operation is subject to the following installed and used in accordance with the instructions, may cause harmful interference to 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. 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.

 

1 2 Users Manual pdf 786.60 KiB March 23 2026
frequency equipment class purpose
1 2026-03-23 2402 ~ 2480 DSS - Part 15 Spread Spectrum Transmitter Original Equipment
2 88.1 ~ 107.9 DXX - Part 15 Low Power Communication Device Transmitter

Application Forms

app s Applicant Information
1 2 Effective 2026-03-23
1 2 Applicant's complete, legal business name Shen Zhen Sailing Electronic Co., Ltd
1 2 FCC Registration Number (FRN) 0024647430
1 2 Physical Address 29 Building, Baotian Industrial Zone
1 2 Shen Zhen, N/A
1 2 China
app s TCB Information
1 2 TCB Application Email Address j******@derycom-us.com
1 2 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
1 2 A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
app s FCC ID
1 2 Grantee Code 2AEYD
1 2 Equipment Product Code BC91
app s Person at the applicant's address to receive grant or for contact
1 2 Name S****** R********
1 2 Title Sales manager
1 2 Telephone Number 0755-********
1 2 Fax Number 0755-********
1 2 E-mail S******@chsailing.com
app s Technical Contact
n/a
app s Non Technical Contact
1 2 Firm Name FCC US Agent, LLC
1 2 Name T**** P********
1 2 Physical Address 3722 Illinois Avenue
1 2 Saint Charles, Illinois 60174
1 2 United States
1 2 Telephone Number 70857********
1 2 E-mail s******@fccusagent.com
app s Confidentiality (long or short term)
1 2 Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:Yes
1 2 Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
if no date is supplied, the release date will be set to 45 calendar days past the date of grant.
app s Cognitive Radio & Software Defined Radio, Class, etc
1 2 Is this application for software defined/cognitive radio authorization?No
1 2 Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
1 2 DXX - Part 15 Low Power Communication Device Transmitter
1 2 Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)Bluetooth FM transmitter
1 2 Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?No
1 2 Modular Equipment TypeDoes not apply
1 2 Purpose / Application is forOriginal Equipment
1 2 Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?Yes
1 2 Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?No
1 2 Grant CommentsOutput power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance.
1 2 Is there an equipment authorization waiver associated with this application?No
1 2 If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?No
app s Test Firm Name and Contact Information
1 2 Firm Name SHENZHEN STS TEST SERVICES CO.,LTD.
1 2 Name B****** Y********
1 2 Telephone Number 86-75********
1 2 E-mail B******@stsapp.com
Equipment Specifications
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
1 1 15C CC 2402.00000000 2480.00000000 0.0012700
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C CC 88.10000000 107.90000000

 

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

 

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