1. FCC ID
  2. 2BTSB
  3. 2BTSB-YX77

FCC ID 2BTSB-YX77

SayRose Building Block Time Sonic Speaker

by Shenzhen VCOS Technology Co., Ltd.

Grantee Code: 2BTSB   Product Code: YX77
Latest application date: 2026-06-08

FCC ID Device Details

FCC ID2BTSB-YX77
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BTSB
Product CodeYX77
Applicant BusinessShenzhen VCOS Technology Co., Ltd. 🇨🇳
Related Domains bjzxtc.com.cn
Equipment ClassSayRose Building Block Time Sonic Speaker
Test FirmSHENZHEN CTA TESTING TECHNOLOGY CO., LTD.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-06-08

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-06-08PDF 4.4 MB
Internal PhotosInternal Photos2026-06-08PDF 1.8 MB
External PhotosExternal Photos2026-06-08PDF 757.2 KB
Label and locationID Label/Location Info2026-06-08PDF 133.1 KB
Test Setup PhotosTest Setup Photos2026-06-08PDF 365.4 KB
Antenna specificationTest Report2026-06-08PDF 587.6 KB
CTA26050601601_Test Report-BT FCC - 3DH5Test Report2026-06-08PDF 4.6 MB
FCC Appendix RF Test Data for BT_Part1Test Report2026-06-08PDF 6 MB
FCC Appendix RF Test Data for BT_Part2Test Report2026-06-08PDF 3.5 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2026-06-08PDF 121.5 KB
USA-LocalRepLetter_V1.1 - 2BTSB-YX77Attestation Statements2026-06-08PDF 353.7 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2026-06-08PDF 102.3 KB
CTA26050601602_RF Exposure-infoRF Exposure Info2026-06-08PDF 853.2 KB
Block Diagram Metadata onlyBlock DiagramPDF 114.8 KB
schematic Metadata onlySchematicsPDF 242.6 KB
Operation Description Metadata onlyOperational DescriptionPDF 138.7 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 147.6 KB

Application Information

Application IDmXtkXshwHYhPJFEIiOqMJg==
Final Action Date2026-06-08
Application PurposeOriginal Equipment
Applicant FRN0037772258
ModelYX77
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionSayRose Building Block Time Sonic Speaker
Responsible PartyWei yang, yangwei@bjzxtc.com.cn , 18600125888
Non-Technical ContactCindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com , (626) 910-5808
Test FirmEric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn , 86-755-2322-5875
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
mXtkXshwHYhPJFEIiOqMJg==2026-06-08Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.002115C

Grants

TCB Grant - Application mXtkXshwHYhPJFEIiOqMJg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 06/08/2026

Application Dated: 06/08/2026
Shenzhen VCOS Technology Co., Ltd.
1602, Building 1, Qianhai Kexing Science Park
Labor Community, Xixiang Street
Bao'an District, Shenzhen,
China
 
Attention: Wei yang , Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  2BTSB-YX77
Name of Grantee:  Shenzhen VCOS Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: SayRose Building Block Time Sonic Speaker
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0021  

Output Power listed is peak conducted.