FCC ID 2BULD-HCDMU4G

Data Management Unit

by ZHEJIANG HECHENG SMART ELECTRIC CO.,LTD.

Grantee Code: 2BULD   Product Code: HCDMU4G
Latest application date: 2026-01-30

FCC ID Device Details

FCC ID2BULD-HCDMU4G
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BULD
Product CodeHCDMU4G
Applicant BusinessZHEJIANG HECHENG SMART ELECTRIC CO.,LTD. 🇨🇳
Related Domains hiitio.com aoges-cl.com
Equipment ClassData Management Unit
Test FirmSHENZHEN STS TEST SERVICES CO.,LTD.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
1860-1900 MHzChange in identification of presently authorized equipment. Original FCC ID: 2BDBN-DMU4GG1 Grant Date: 04/19/20242026-01-30
433.35-434.6 MHzChange in identification of presently authorized equipment. Original FCC ID: 2BDBN-DMU4GG1 Grant Date: 04/19/20242026-01-30

Exhibits

DocumentTypeAvailableFile
external photoExternal Photos2026-01-30PDF 1.2 MB
labelID Label/Location Info2026-01-30PDF 223.8 KB
2.911d 5 i Certification Equipment TypeAttestation Statements2026-01-30PDF 321.6 KB
2.911d 5 ii Certificiation ApplicantAttestation Statements2026-01-30PDF 307.6 KB
US Agent for Service ProcessAttestation Statements2026-01-30PDF 343.5 KB
Agent AuthorizationCover Letter(s)2026-01-30PDF 16.9 KB
FCC Authorization from Original Grantee for ID changeCover Letter(s)2026-01-30PDF 109.2 KB
FCC Request for change in IDCover Letter(s)2026-01-30PDF 133.4 KB

Application Information

Application IDHv6HG18mPI9R2I0Wailb6A==
Final Action Date2026-01-30
Application PurposeChange in identification of presently authorized equipment. Original FCC ID: 2BDBN-DMU4GG1 Grant Date: 04/19/2024
Applicant FRN0037914991
ModelHCDMU4G
Frequency Range1860-1900 MHz
Equipment ClassPCB - PCS Licensed Transmitter
Device DescriptionData Management Unit
Responsible Partywu xiaoping, wuxiaoping@hiitio.com , 18267356189
Technical ContactZHEJIANG HECHENG SMART ELECTRIC CO.,LTD., wuxiaoping@hiitio.com
Non-Technical ContactXIAOYAN LAI, AOGES CO., LIMITED, laixiaoyan@aoges-cl.com
Test FirmBovey Yang, SHENZHEN STS TEST SERVICES CO.,LTD., Bovey@stsapp.com , 86-755-36886288
TCB Emailcertification@micomlabs.com
TCB ScopeB1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
Hv6HG18mPI9R2I0Wailb6A==2026-01-30Change in identification of presently authorized equipment. Original FCC ID: 2BDBN-DMU4GG1 Grant Date: 04/19/2024
+qWDQoyDoqmScCIF5/rTbQ==2026-01-30Change in identification of presently authorized equipment. Original FCC ID: 2BDBN-DMU4GG1 Grant Date: 04/19/2024

Equipment Authorization

FrequencyOutputToleranceEmissionRules
1852.4-1907.6 MHz0.4710.019 PM4M14F9W24E
1712.4-1752.6 MHz0.41780.018 PM4M14F9W27
826.4-846.6 MHz0.2270.041 PM4M15F9W22H
1860-1900 MHz0.42850.019 PM17M9G7D24E
1860-1900 MHz0.37760.019 PM17M9W7D24E
1720-1745 MHz0.47530.021 PM18M0G7D27
1720-1745 MHz0.38640.021 PM18M0W7D27
829-844 MHz0.1910.051 PM8M99G7D22H
829-844 MHz0.17060.051 PM8M99W7D22H
704-711 MHz0.20840.05 PM9M01G7D27
704-711 MHz0.19050.05 PM8M85W7D27
782 MHz0.19050.049 PM8M96G7D27
782 MHz0.15030.049 PM8M83W7D27
709-711 MHz0.20750.05 PM9M00G7D27
709-711 MHz0.18660.05 PM8M86W7D27
1720-1770 MHz0.4140.021 PM18M0G7D27
1720-1770 MHz0.37580.021 PM17M9W7D27
673-688 MHz0.22340.051 PM17M7G7D27
673-688 MHz0.16140.051 PM17M9W7D27
433.35-434.6 MHz15.231(e)

Grants

TCB Grant - Application Hv6HG18mPI9R2I0Wailb6A==

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

  MiCOM Labs
575 Boulder Court
Pleasanton, CA 94566
Date of Grant: 01/30/2026

Application Dated: 01/30/2026
ZHEJIANG HECHENG SMART ELECTRIC CO.,LTD.
Building 2, No.1125,Zhixing Road,
Qiaonan Development Zone,
Xiaoshan Economic and Technological,Hangzhou,
China
 
Attention: wu xiaoping , 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:  2BULD-HCDMU4G
Name of Grantee:  ZHEJIANG HECHENG SMART ELECTRIC CO.,LTD.
Equipment Class: PCS Licensed Transmitter
Notes: Data Management Unit
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
24E 1852.4  -  1907.6 0.471 0.019  PM 4M14F9W
27 1712.4  -  1752.6 0.4178 0.018  PM 4M14F9W
22H 826.4  -  846.6 0.227 0.041  PM 4M15F9W
24E 1860.0  -  1900.0 0.4285 0.019  PM 17M9G7D
24E 1860.0  -  1900.0 0.3776 0.019  PM 17M9W7D
27 1720.0  -  1745.0 0.4753 0.021  PM 18M0G7D
27 1720.0  -  1745.0 0.3864 0.021  PM 18M0W7D
22H 829.0  -  844.0 0.191 0.051  PM 8M99G7D
22H 829.0  -  844.0 0.1706 0.051  PM 8M99W7D
27 704.0  -  711.0 0.2084 0.05  PM 9M01G7D
27 704.0  -  711.0 0.1905 0.05  PM 8M85W7D
27 782.0  -  782.0 0.1905 0.049  PM 8M96G7D
27 782.0  -  782.0 0.1503 0.049  PM 8M83W7D
27 709.0  -  711.0 0.2075 0.05  PM 9M00G7D
27 709.0  -  711.0 0.1866 0.05  PM 8M86W7D
27 1720.0  -  1770.0 0.414 0.021  PM 18M0G7D
27 1720.0  -  1770.0 0.3758 0.021  PM 17M9W7D
27 673.0  -  688.0 0.2234 0.051  PM 17M7G7D
27 673.0  -  688.0 0.1614 0.051  PM 17M9W7D

Power output listed is ERP for frequencies below 1GHz and EIRP for frequencies above 1GHz. The antenna used for this transmitter must be installed to provide a 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 transmitter Operation conditions for satisfying RF exposure compliance

TCB Grant - Application +qWDQoyDoqmScCIF5/rTbQ==

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

  MiCOM Labs
575 Boulder Court
Pleasanton, CA 94566
Date of Grant: 01/30/2026

Application Dated: 01/30/2026
ZHEJIANG HECHENG SMART ELECTRIC CO.,LTD.
Building 2, No.1125,Zhixing Road,
Qiaonan Development Zone,
Xiaoshan Economic and Technological,Hangzhou,
China
 
Attention: wu xiaoping , 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:  2BULD-HCDMU4G
Name of Grantee:  ZHEJIANG HECHENG SMART ELECTRIC CO.,LTD.
Equipment Class: Part 15 Remote Control/Security Device Transceiver
Notes: Data Management Unit
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15.231(e) 433.35  -  434.6