1. FCC ID
  2. 2A4EP
  3. 2A4EP-CTM231

FCC ID 2A4EP-CTM231

Water Timer

by Zhuhai Tessan Power Technology Co., Ltd.

Grantee Code: 2A4EP   Product Code: CTM231
Latest application date: 2026-10-26

FCC ID Device Details

FCC ID2A4EP-CTM231
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A4EP
Product CodeCTM231
Applicant BusinessZhuhai Tessan Power Technology Co., Ltd. 🇨🇳
Related Domains tessan.com
Equipment ClassWater Timer
Test FirmGuangzhou LCS Compliance Testing Laboratory Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
433.92 MHzOriginal Equipment2026-10-26

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-10-26PDF 2.4 MB
Internal photosInternal Photos2026-10-26PDF 3.4 MB
External photosExternal Photos2026-10-26PDF 704.3 KB
Label and label locationID Label/Location Info2026-10-26PDF 101.1 KB
Test setup photosTest Setup Photos2026-10-26PDF 244.3 KB
Antenna informationTest Report2026-10-26PDF 14.8 KB
Test ReportTest Report2026-10-26PDF 1.2 MB
Agent attestation letterAttestation Statements2026-10-26PDF 496.5 KB
Covered equipment letterAttestation Statements2026-10-26PDF 254.5 KB
Due digilence letterAttestation Statements2026-10-26PDF 242.5 KB
Confidentiality request letterCover Letter(s)2026-10-26PDF 251.8 KB
Letter of declaration model differenceCover Letter(s)2026-10-26PDF 111.5 KB
RF exposure evaluationRF Exposure Info2026-10-26PDF 228.7 KB
Block diagram Metadata onlyBlock DiagramPDF 34.6 KB
Schematic Metadata onlySchematicsPDF 554.1 KB
Operation description Metadata onlyOperational DescriptionPDF 33.1 KB

Application Information

Application IDXM0PEMbxOUnRIsvcvFvj0w==
Final Action Date2026-10-26
Application PurposeOriginal Equipment
Applicant FRN0031944036
ModelCTM231
Frequency Range433.92 MHz
Equipment ClassDSC - Part 15 Security/Remote Control Transmitter
Device DescriptionWater Timer
Responsible PartyShaopeng Lyu, simon@tessan.com , 0756-2550031
Non-Technical ContactCindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com , (626)910-5808
Test FirmGavin Liang, Guangzhou LCS Compliance Testing Laboratory Ltd, gavin.liang@lcs-cert.com , 86-20-39166689
TCB Emailo.kneip@kl-certification.de
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
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
XM0PEMbxOUnRIsvcvFvj0w==2026-10-26Original Equipment

Equipment Authorization

FrequencyRules
433.92 MHz15.231

Grants

TCB Grant - Application XM0PEMbxOUnRIsvcvFvj0w==

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: 10/26/2026

Application Dated: 10/26/2026
Zhuhai Tessan Power Technology Co., Ltd.
Building 14, Xiangzhou Chuanggang Center, No.199,
Weikang Road, Xiangzhou District, Zhuhai,
Zhuhai, Guangdong Province,,
China
 
Attention: Shaopeng Lyu ,

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:  2A4EP-CTM231
Name of Grantee:  Zhuhai Tessan Power Technology Co., Ltd.
Equipment Class: Part 15 Security/Remote Control Transmitter
Notes: Water Timer
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15.231 433.92  -  433.92  

This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures.