
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Car Wireless FM Transmitter (With BASS Sound Enhancer) Dual fast charging protocol using QC3.0 and PD USER MANUL Model: C73 1 Microphone 2 QC3.0 fast charge (DC 3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A) 3 U disk (maximum 64G)/5V-1A charging output 4 Type-C fast charge PD 18W fast charge protocol (DC5V/3A, 9V/2A/12V/1.5A) 5 Yellow LED display 6 Phone button (Long press for 2 seconds to enter FM mode. In the off state, long press for 3 seconds to turn on. In the power on state, long press for 3 seconds to turn off) Five-way button: Click pause/play/hands-free (answer/hang up/reject). Left dial the previous song Right dial next song Up dial volume plus V+ Dial down volume to reduce V- 7 Switch button: In music mode, click to switch audio source mode (U disk/Wireless mutual switching) In working state, double tap to wake up Siri / Google voice assistant In working status, long press for 3 seconds to turn off FM, screen, Wireless, and keep charging 8 BASS sound enhancement button Packaging accessories FM transmitter*1 Instruction manual*1 Features: Adjust the channel of this unit to the car radio channel to be the same, you can transmit U disk music to the car stereo to play, and connect to the mobile phone Wireless can realize the Bluetooth call hands-free function through the car stereo Parameter Product nameC73 Effective distance5m U disk format and capacity: FAT32 format, maximum support 64G FM frequency range87.5MHz-108.0MHz Compatible audio formatMP3.WMA.WAV.FLAC Compatible with Wireless protocolA2DP/AVRCP/HSP/HFP Orange fast charging port supports QC3.0 Protocol(DC 3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A) Type-C port support: PD18W fast charging protocol(DC5V/3A, 9V/2A, 12V/1.5A) Power on/off Turn on: Insert C73 into the cigarette lighter hole of the car. After the car is started, the yellow display will automatically turn on and flash once per second. If it is off, long press the " " button for 2 seconds to turn on C73 Shutdown: Cut off the power to shut down or long press " " for 3 seconds to shut down Note: Even if C73 is turned off, the charging port can still work normally Screen display 1. After power on, the yellow display shows bt and frequency flashing alternately 2. After the pairing is successful, the screen displays bt will be on 3.Long press the " " button to enter the frequency modulation mode (display digital frequency) 2.Wireless hands-free function A. Answer the call: Click the " " button. B. Hang up the call: Click the " " button. C. Last replay: Double click the " " button. D. Reject the call: Long press the " " button for 2 seconds. E. Switch private calls: Press and hold the " " button for 2 seconds during the call. 3. Music function (please make sure the connection is successful before use) 3.1.1 Audio source: Wireless/U disk 3.1.2 Music sound effect: b button (red), during music playback, click the b button to turn on the b1 bass surround enhancement effect, which will strengthen the music surround bass effect, suitable for dance music, DJ, RAP, and other heavy bass songs. (For light music, please use b0 sound effect, click the b button to restore) A. Wireless mode: Refer to the instructions of the smart device. Such as phone. After the Wireless connection is successful, the music on the smart device can be played and synchronized to the car's built-in speaker B.U Disk Mode: Plug in the U disk, C73 will automatically recognize and play the music inside Note: To ensure a better experience of the product, when using this product, please select only one audio source. 3.2. Audio source selection A. Used between Wireless and U disk, it will recognize the last connected device to play by default. B. Auto-play option via U disk: plug and play. C. After power off or restart, C73 will enter the previous playback mode (automatically play music in U disk mode, and manually play music in Wireless mode D. In the music mode, click " " to switch between Wireless and U disk devices, seamlessly switch the audio source selection, choose your favorite music more quickly, and enhance the pleasant driving experience. 3.3. Audio playback operation A. Play/Pause: click " " B. Previous song/Next song: Left dial phone key " " is the previous song, right dial phone key " " is the next song C. Volume increase and decrease: dial up the phone key " " for volume V +, dial down the phone key " " for volume V- 4.Voice assistant 4.1. Double-click the switch key " " to start the voice assistant 4.2. Double-click the switch key " " to exit the voice assistant 5.QC3.0 charging port description 5.1. For devices that do not support QC3.0 fast charging, the maximum output is 5V/2.4A. 5.2. Smart devices that support QC3.0 fast charge, meet QC3.0 fast charge protocol: DC 3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A. 6.Type-C charging port description 6.1. For devices that do not support PD fast charging, the maximum output is 5v/2.4A 6.2. Devices that support PD fast charging, meet PD 18W fast charging protocol: DC5V/3A, 9V/2A, 12V/1.5A. (Please use C to C data cable, or C to C lighting data cable to insert and use) 7. Frequently Asked Questions (Block Diagram) 7.1. Noise problem Solution: User's guidance 1. FM and Wireless pairing Note: In order to let you enjoy higher-quality music, you need to adjust the blank frequency of C73 to be the same as that of the car (non-local broadcast channel) when using it for the first time. Every time you use it, please make sure that the frequency between the transmitter and your car is the same (not the local broadcast channel). 1.1. Turn the car radio to a blank frequency point (that is, a channel without any broadcasting). The reference is: clear rustling, 1.2. Long press the " " button for 2 seconds, the number flashes, and it enters the FM mode. Flick left and right to increase or decrease the frequency and adjust to the same frequency as the car radio, such as: FM88.8. Click the " " button again or wait 3 seconds to exit the FM mode 1.3. Wireless connection: A. After powering on, t…
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SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Agent Authorization Date: Sept 08, 2020 Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Product Description: Bluetooth FM Transmitter for Car FCC ID Number: 2AJ5B-C73 Tested Model Number: C73 We authorize Eurofins Product Service GmbH, Storkower Strasse 38c, D-15526 Reichenwalde, Germany, to act on our behalf on all matters concerning the certification of above mentioned equipment. We declare that Eurofins Product Service GmbH 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 Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD., the undersigned, hereby authorize Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.), Shenzhen Microwave Certification Services Co., Ltd. (Gilbert Lui, Marketing Manager) and Ka.Ma.S UG (Karin Schmidt, CEO) on our behalf, to apply to the Federal Communications Commission on our equipment. We, the undersigned, hereby authorize Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.) to act on our behalf in matters relating to the application for a FCC equipment authorization for mentioned FCC ID Number including the signing of Form 731, necessary forms and documents in connection with this application. Any and all acts carried out by Shenzhen Toby Technology Co., Ltd. (Ivan Su, Supervisor of EMC Dep.) on our behalf shall have the same effect as acts of our own. This authorization expires on 31th December, 2020. Yours Sincerely, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. <Signature of Fred Xiao > ----------------------------------------------------------------------------------- Name: Fred Xiao Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Phone Number: +86-755-28079392 Fax Number: +86-755-28079393 E-Mail: [email protected]
SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. CONFIDENTIALITY REQUEST for Certification under the FCC Rules Date: Sept 08,2020 Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the following product: FCC ID Number: 2AJ5B-C73 Tested Model Number: C73 For the product stated above, we request that the following information be held confidential: Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days Block Diagram Schematic Diagram/ Circuit Diagram Circuit Description/ Operational Description Parts List Tune Up Information User’s Manual External Photos Internal Photos Test Setup Photos The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. Please do not hesitate to contact me if you have any queries. Yours Sincerely, SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. <Signature of Fred Xiao > ----------------------------------------------------------------------------------- Name: Fred Xiao Company: SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Address: 4F.,A Building,Rongli Industrial Park,No.2 Guiyuan Rd.Guihua Community,Guanlan Town,Longhua New Dist. Shenzhen, China Phone Number: +86-755-28079392 Fax Number: +86-755-28079393 E-Mail: [email protected]
Page: 3 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT Page: 4 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT
Page: 1 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Appendix IFCC ID Label Size for the label: 15mm X30mm FCCID : 2AJ5B-C73 Model: C73 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. 2. This device must accept any interference received, including interference that may cause undesired operation. Page: 2 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION
Page: 5 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 6 Internal of EUT Photo 7 Internal of EUT Page: 6 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Photo 8 Internal of PCB Photo 9 Internal of PCB FM Antenna Page: 7 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Photo 10 Appearance of PCB Photo 13 Appearance of PCB BT Antenna
Shenzhen Toby Technology Co., Ltd. Report No.: TB-FCC175155 Page: 1 of 33 TB-RF-074-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195 FCC Radio Test Report FCC ID: 2AJ5B-C73 Original Grant Report No. : TB-FCC175155 Applicant : SAGE HUMAN ELECTRONICS INTERNATIONAL CO.,LTD. Equipment Under Test (EUT) EUT Name : Bluetooth FM Transmitter for Car Model No. : C73 Serial Model No. : ---- Brand Name : C73 Sample ID TBBJ-20200804-09-1-2#& TBBJ-20200804-09-2-2# Receipt Date : 2020-08-24 Test Date : 2020-08-25 to 2020-09-05 Issue Date : 2020-09-05 Standards : FCC Part 15, Subpart C 15.239 Test Method : ANSI C63.10:2013 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above, The EUT technically complies with the FCC requirements Test/Witness Engineer : Jack Deng Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should Shenzhen Toby Technology Co., Ltd. Report No.: TB-FCC175155 Page: 2 of 33 TB-RF-074-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195 ensure that all products in series production are in conformity with the product sample detailed in the report. Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 6 1.5 Description of Test Mode .................................................................................................... 6 1.6 Description of Test Software Setting ................................................................................ 7 1.7 Measurement Uncertainty .................................................................................................. 7 1.8 Test Facility ........................................................................................................................ 8 2. TEST SUMMARY ....................................................................................................................... 9 3. TEST SOFTWARE ..................................................................................................................... 9 4. TEST EQUIPMENT .................................................................................................................. 10 5. CONDUCTED EMISSION TEST ........................................................................................... 10 5.1 Test Standard and Limit .................................................................................................... 11 5.2 Test Setup ........................................................................................................................... 11 5.3 Test Procedure ................................................................................................................... 12 5.4 Deviation From Test Standard ......................................................................................... 12 5.5 Test Data ............................................................................................................................. 12 6. RADIATED EMISSION TEST ................................................................................................ 13 6.1 Test Standard and Limit .................................................................................................... 13 6.2 Test Setup ........................................................................................................................... 14 6.3 Test Procedure ................................................................................................................... 15 6.4 EUT Operating Condition ................................................................................................. 15 6.5 Deviation From Test Standard ......................................................................................... 15 6.6 Test Data ............................................................................................................................. 15 7. FUNDAMENTAL AND BAND EDGE TEST ........................................................................ 16 7.1 Test Standard and Limit .................................................................................................... 16 7.2 Test Setup ........................................................................................................................... 16 Report No.: TB-FCC175155 Page: 3 of 33 TB-RF-074-1.0 7.3 Test Procedure ................................................................................................................... 17 7.4 EUT Operating Condition ................................................................................................. 17 7.5 Deviation From Test Standard ......................................................................................... 17 7.6 Test Data ............................................................................................................................. 17 8. BANDWIDTH .....................................................…
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Page: 8 of 8 FCC ID: 2AJ5B-C73 TB-RF-074-1.0 Appendix V EUT Test Photographs 15C Test Setup Photo of Setup for Radiated Emission (Above 1 GHz) Photo of Setup for Radiated Emission (Below 1 GHz) -----END OF REPORT-----
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 88.1 MHz - 107.9 MHz | - |

Car Bluetooth FM transmitter
Equipment Class
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Equipment Class
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Car Bluetooth FM transmitter
Equipment Class
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Car Bluetooth FM Transmitter
Equipment Class
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Equipment Class
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