1. FCC ID
  2. N52
  3. N52-SDR-33-AC

FCC ID N52-SDR-33-AC

Repeater

by ADRF KOREA, Inc.

Grantee Code: N52   Product Code: SDR33AC
Latest application date: 2025-09-03

FCC ID Device Details

FCC IDN52-SDR-33-AC
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeN52
Product CodeSDR33AC
Applicant BusinessADRF KOREA, Inc. 🇰🇷
Related Domains adrftech.com
Equipment ClassRepeater
Test FirmHCT Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
1710-1755 MHzOriginal Equipment2025-09-03

Exhibits

DocumentTypeAvailableFile
SDR-33-AC_User Manual_2 Metadata onlyUsers Manual2026-03-02PDF 4.4 MB
SDR-33-AC_User Manual_3Users Manual2026-03-02PDF 4.4 MB
SDR-33-AC_Internal Photos Metadata onlyInternal Photos2026-03-02PDF 1.5 MB
SDR-33-AC_Internal Photos_R1Internal Photos2026-03-02PDF 1.5 MB
SDR-33-AC_External PhotosExternal Photos2026-03-02PDF 1 MB
SDR-33-AC-Label & LocationID Label/Location Info2025-09-03PDF 281.7 KB
SDR-33-AC Annex B_EUT and Test Setup PhotoTest Setup Photos2026-03-02PDF 3.6 MB
J-SF-141-3H-4MS-4MS_Data SheetTest Report2025-09-03PDF 128.4 KB
SDR-33-AC FCC Test ReportTest Report2025-09-03PDF 4.2 MB
SDR-33-AC FCC Test Report_R1Test Report2025-09-03PDF 5.1 MB
SDR-33-AC_Antenna Spec(AD-OMNI-SISO-4310-X)Test Report2025-09-03PDF 259.3 KB
SDR-33-AC_Antenna Spec(AD-PA-1900-2600-DIN-X)Test Report2025-09-03PDF 557.3 KB
N52-SDR-33-AC_Attestation letter for WarningAttestation Statements2025-09-03PDF 29.3 KB
N52-SDR-33-AC_Covered List Attestation LetterAttestation Statements2025-09-03PDF 58.8 KB
N52-SDR-33-AC_U.S. Agent for Service of Process AttestationAttestation Statements2025-09-03PDF 288.3 KB
N52-SDR-33-AC_FCC Agent Authorization LetterCover Letter(s)2025-09-03PDF 50.9 KB
N52-SDR-33-AC_FCC Confidentiality Request LetterCover Letter(s)2025-09-03PDF 55.3 KB
SDR-33-AC FCC RF EXPOSURE ReportRF Exposure Info2025-09-03PDF 266.6 KB
SDR-33-AC FCC RF EXPOSURE Report_R1RF Exposure Info2025-09-03PDF 254.9 KB
SDR-33-AC_Block Diagram Metadata onlyBlock DiagramPDF 189.5 KB
SDR-33-AC_Circuit Diagram Metadata onlySchematicsPDF 3 MB
SDR-33-AC_PCB Layout Metadata onlySchematicsPDF 553.4 KB
SDR-33-AC_Operating descrpition Metadata onlyOperational DescriptionPDF 301.2 KB
SDR-33-AC_Part list Metadata onlyParts List/Tune Up InfoPDF 815.4 KB
SDR-33-AC_Tune up procedure Metadata onlyParts List/Tune Up InfoPDF 234.5 KB

Application Information

Application IDIjujPeAUSKPNutYCRG9SXQ==
Final Action Date2025-09-03
Application PurposeOriginal Equipment
Applicant FRN0021709860
ModelSDR-33-AC
Frequency Range1710-1755 MHz
Equipment ClassB2I - Part 20 Industrial Booster (CMRS)
Device DescriptionRepeater
Responsible PartyHyun-Kyung Song, Business Strategy Department Director, hk4464@adrftech.com , +82-31-637-4435
Test FirmLee MyoungLim, HCT Co., Ltd., lmlim@hct.co.kr , 82-31-645-6918
TCB Emailtcb-info@hctamerica.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 ConfidentialityYes
Short-Term Confidentiality Date03/02/2026
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceNo
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsPower listed is the conducted. The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This transmitter must be installed to provide a separation distance of at least 35cm from all persons. RF Exposure is addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-locating requirements of 1.1307(b)(3).

Applications

Application IDDatePurpose
IjujPeAUSKPNutYCRG9SXQ==2025-09-03Original Equipment

Equipment Authorization

FrequencyOutputToleranceRules
1710-1755 MHz2.023Amp2.153
2110-2180 MHz1.986Amp2.203

Grants

TCB Grant - Application IjujPeAUSKPNutYCRG9SXQ==

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

  HCT America, Inc.
840 Yosemite Way
Milpitas, CA 95035
Date of Grant: 09/03/2025

Application Dated: 08/21/2025
ADRF KOREA, Inc.
196-16 IYEO-RO BAEKSA-MYEON,
ICHEON-SI, GYEONGGI-DO,, 17316
South Korea
 
Attention: Hyun-Kyung Song , Business Strategy Department Director

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:  N52-SDR-33-AC
Name of Grantee:  ADRF KOREA, Inc.
Equipment Class: Part 20 Industrial Booster (CMRS)
Notes: Repeater
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
27 1710.0  -  1755.0 2.153  Amp G7W
27 2110.0  -  2180.0 2.203  Amp G7W

Power listed is the conducted.

The intended use is generally for industrial/commercial use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

This transmitter must be installed to provide a separation distance of at least 35cm from all persons. RF Exposure is addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-locating requirements of 1.1307(b)(3).