1. FCC ID
  2. 2BURK
  3. 2BURK-CD8R545F0

FCC ID 2BURK-CD8R545F0

Calendar Plus 3

by Cozyla US Corp.

Grantee Code: 2BURK   Product Code: CD8R545F0
Latest application date: 2026-07-09

FCC ID Device Details

FCC ID2BURK-CD8R545F0
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BURK
Product CodeCD8R545F0
Applicant BusinessCozyla US Corp. 🇺🇸
Related Domains cozyla.com
Equipment ClassCalendar Plus 3
Test FirmShenzhen ZKT Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-07-09
5745-5825 MHzOriginal Equipment2026-07-09
2412-2462 MHzOriginal Equipment2026-07-09

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-08-23PDF 2.3 MB
Internal photosInternal Photos2026-08-23PDF 2.1 MB
External photosExternal Photos2026-07-09PDF 490.8 KB
ID label and locationID Label/Location Info2026-07-09PDF 204.4 KB
Test Setup photoTest Setup Photos2026-08-23PDF 481.5 KB
Antenna SpecificationTest Report2026-07-09PDF 795.1 KB
Test report BLETest Report2026-07-09PDF 2.1 MB
Test report BT part1Test Report2026-07-09PDF 3.8 MB
Test report BT part2Test Report2026-07-09PDF 3.2 MB
Test report NII part1Test Report2026-07-09PDF 4.8 MB
Test report NII part2Test Report2026-07-09PDF 4.7 MB
Test report NII part3Test Report2026-07-09PDF 3.5 MB
Test report WIFI2.4G part1Test Report2026-07-09PDF 3.4 MB
Test report WIFI2.4G part2Test Report2026-07-09PDF 3.9 MB
Attestation StatementAttestation Statements2026-07-09PDF 278.3 KB
Kaspersky StatementAttestation Statements2026-07-09PDF 1,001.7 KB
Product similarity DeclarationAttestation Statements2026-07-09PDF 90 KB
TCB_validation_US_agent_processAttestation Statements2026-07-09PDF 560.6 KB
Us_AgentAttestation Statements2026-07-09PDF 113.4 KB
ConfidentialityCover Letter(s)2026-07-09PDF 251 KB
Letter AuthorizationCover Letter(s)2026-07-09PDF 81.8 KB
Software ConfigurationCover Letter(s)2026-07-09PDF 107.1 KB
RF ExposureRF Exposure Info2026-07-09PDF 159.3 KB
Block Diagram Metadata onlyBlock DiagramPDF 741.7 KB
Schematics Metadata onlySchematicsPDF 1.6 MB
Schematics 2 Metadata onlySchematicsPDF 1.5 MB
Operational Description Metadata onlyOperational DescriptionPDF 318 KB
Software Security Metadata onlySDR Software/Security Info.PDF 193.4 KB

Application Information

Application IDUeKT6CUeiJa5Po1ZBuPLCg==
Final Action Date2026-07-09
Application PurposeOriginal Equipment
Applicant FRN0037966306
ModelCD8R545F0
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionCalendar Plus 3
Responsible PartyManfred Zhang, zhangchengwei@cozyla.com , 1-984 238 6383
Technical ContactLake Xie, Shenzhen ZKT Technology Co., Ltd., zkt@zkt-lab.com , 86-13620010775
Non-Technical ContactManfred Zhang, Cozyla US Corp., zhangchengwei@cozyla.com , (984) 238-6383 1
Test FirmLake Xie, Shenzhen ZKT Technology Co., Ltd., zkt@zkt-lab.com , 86-13620010775
TCB Emailelabscert@applus.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
UeKT6CUeiJa5Po1ZBuPLCg==2026-07-09Original Equipment
HjcUuXI/KujoU2J8vKeBpA==2026-07-09Original Equipment
Bxi8LuUNiIulMb4/F3qIyA==2026-07-09Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.0043715CCC
5180-5240 MHz0.0594315ECC
5745-5825 MHz0.0656115ECC
2402-2480 MHz0.0054815CCC
2412-2462 MHz0.0619415CCC

Grants

TCB Grant - Application UeKT6CUeiJa5Po1ZBuPLCg==

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

  LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain 		Date of Grant: 07/09/2026

Application Dated: 07/08/2026
Cozyla US Corp.
2025 Production Drive Apex,
Wake County, NC 27539
 
Attention: Manfred Zhang , QA

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:  2BURK-CD8R545F0
Name of Grantee:  Cozyla US Corp.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Calendar Plus 3
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.00437  

Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application HjcUuXI/KujoU2J8vKeBpA==

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

  LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain 		Date of Grant: 07/09/2026

Application Dated: 07/08/2026
Cozyla US Corp.
2025 Production Drive Apex,
Wake County, NC 27539
 
Attention: Manfred Zhang , QA

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:  2BURK-CD8R545F0
Name of Grantee:  Cozyla US Corp.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Calendar Plus 3
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15E 5180.0  -  5240.0 0.05943  
CC 15E 5745.0  -  5825.0 0.06561  

Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance. The device contains 20MHz, 40MHz and 80MHz bandwidth.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application Bxi8LuUNiIulMb4/F3qIyA==

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

  LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain 		Date of Grant: 07/09/2026

Application Dated: 07/08/2026
Cozyla US Corp.
2025 Production Drive Apex,
Wake County, NC 27539
 
Attention: Manfred Zhang , QA

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:  2BURK-CD8R545F0
Name of Grantee:  Cozyla US Corp.
Equipment Class: Digital Transmission System
Notes: Calendar Plus 3
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.00548  
CC 15C 2412.0  -  2462.0 0.06194  

Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance. The device contains 20MHz and 40MHz bandwidth.

CC: This device is certified pursuant to two different Part 15 rules sections.