FCC ID 2AMPB-KW21N-LLCPA

Cell Phone Signal Booster

by Foshan lintratek Technology Co., Ltd.

Grantee Code: 2AMPB Product Code: KW21NLLCPA

Latest application date: 2026-09-27

FCC ID Device Details

FCC ID	2AMPB-KW21N-LLCPA
Mirrors	fcc.id \| gov \| fccid.ai
Grantee Code	2AMPB
Product Code	KW21NLLCPA
Applicant Business	Foshan lintratek Technology Co., Ltd. 🇨🇳
Equipment Class	Cell Phone Signal Booster
Test Firm	Dongguan Yaxu (AiT) Technology Limited

Operating Frequencies

Frequency Range	Application Purpose	Final Action Date
2110-2155 MHz	Original Equipment	2026-09-27

Exhibits

Document	Type	Available	File
User manual	Users Manual	2026-09-27	PDF 2.7 MB
Internal photo	Internal Photos	2026-09-27	PDF 2.8 MB
External photo	External Photos	2026-09-27	PDF 1.9 MB
label and label location	ID Label/Location Info	2026-09-27	PDF 295.6 KB
Test setup photos_B2W	Test Setup Photos	2026-09-27	PDF 1,023.6 KB
AiTDG-260730003FW1_FCC Test Report_Part 20_Part1	Test Report	2026-09-27	PDF 5.9 MB
AiTDG-260730003FW1_FCC Test Report_Part 20_Part2	Test Report	2026-09-27	PDF 3.4 MB
USA-CoveredEquipmentLetter-Combined_V1.1	Attestation Statements	2026-09-27	PDF 123.4 KB
Us agent-KW21N-LLCPA	Attestation Statements	2026-09-27	PDF 346.1 KB
USA-ConfidentialityRequestLetter_V0.1	Cover Letter(s)	2026-09-27	PDF 106.3 KB
AiTDG-260730003FW2_FCC RF EXPOSURE	RF Exposure Info	2026-09-27	PDF 202.6 KB
Block diagram Metadata only	Block Diagram		PDF 205.9 KB
Schematic Metadata only	Schematics		PDF 4.2 MB
Operation description Metadata only	Operational Description		PDF 129.5 KB
USA-DueDigilenceLetter_V0.1 Metadata only	Operational Description		PDF 64.9 KB
Part list Metadata only	Parts List/Tune Up Info		PDF 100 KB
Tune Up Metadata only	Parts List/Tune Up Info		PDF 65.7 KB

Application Information

Application ID	236yGjCnhqW8fhZuk6CVwg==
Final Action Date	2026-09-27
Application Purpose	Original Equipment
Applicant FRN	0026646224
Model	KW21N-LLCPA
Frequency Range	2110-2155 MHz
Equipment Class	B2W - Part 20 Wideband Consumer Booster (CMRS)
Device Description	Cell Phone Signal Booster
Responsible Party	Peter Shi, ss_shi@126.com , 86-0757-82805302
Non-Technical Contact	Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com , (626) 910-5808
Test Firm	Coin Tang, Dongguan Yaxu (AiT) Technology Limited, info@aitek.org.cn , +86 0769-82020499
TCB Email	o.kneip@kl-certification.de
TCB Scope	B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27
Short-Term Confidentiality	No
Long-Term Confidentiality	Yes
Modular Equipment	Does not apply
Composite Device	No
Cognitive Radio	No
Authorization Waiver	No
Authorization Waiver Approved	No
Section 5301 Certification	Yes
Related OET Knowledge DataBase Inquiry	No

Applications

Application ID	Date	Purpose
236yGjCnhqW8fhZuk6CVwg==	2026-09-27	Original Equipment

Equipment Authorization

Frequency	Output	Tolerance	Emission	Rules
1850-1915 MHz	0.1476	Amp	GXW	24E
1850-1915 MHz	0.1476	Amp	G7W	24E
1850-1915 MHz	0.1476	Amp	F9W	24E
1850-1915 MHz	0.1476	Amp	G7D	24E
1850-1915 MHz	0.1476	Amp	W7D	24E
1930-1995 MHz	0.0083	Amp	GXW	24E
1930-1995 MHz	0.0083	Amp	G7W	24E
1930-1995 MHz	0.0083	Amp	F9W	24E
1930-1995 MHz	0.0083	Amp	G7D	24E
1930-1995 MHz	0.0083	Amp	W7D	24E
1710-1755 MHz	0.1936	Amp	GXW	27
1710-1755 MHz	0.1936	Amp	G7W	27
1710-1755 MHz	0.1936	Amp	F9W	27
1710-1755 MHz	0.1936	Amp	G7D	27
1710-1755 MHz	0.1936	Amp	W7D	27
2110-2155 MHz	0.0099	Amp	GXW	27
2110-2155 MHz	0.0099	Amp	G7W	27
2110-2155 MHz	0.0099	Amp	F9W	27
2110-2155 MHz	0.0099	Amp	G7D	27
2110-2155 MHz	0.0099	Amp	W7D	27
824-849 MHz	0.2028	Amp	GXW	22H
824-849 MHz	0.2028	Amp	G7W	22H
824-849 MHz	0.2028	Amp	F9W	22H
824-849 MHz	0.2028	Amp	G7D	22H
824-849 MHz	0.2028	Amp	W7D	22H
869-894 MHz	0.0127	Amp	GXW	22H
869-894 MHz	0.0127	Amp	G7W	22H
869-894 MHz	0.0127	Amp	F9W	22H
869-894 MHz	0.0127	Amp	G7D	22H
869-894 MHz	0.0127	Amp	W7D	22H
699-716 MHz	0.1528	Amp	GXW	27
699-716 MHz	0.1528	Amp	G7W	27
699-716 MHz	0.1528	Amp	F9W	27
699-716 MHz	0.1528	Amp	G7D	27
699-716 MHz	0.1528	Amp	W7D	27
729-746 MHz	0.2094	Amp	GXW	27
729-746 MHz	0.2094	Amp	G7W	27
729-746 MHz	0.2094	Amp	F9W	27
729-746 MHz	0.2094	Amp	G7D	27
729-746 MHz	0.2094	Amp	W7D	27
777-787 MHz	0.2099	Amp	GXW	27
777-787 MHz	0.2099	Amp	G7W	27
777-787 MHz	0.2099	Amp	F9W	27
777-787 MHz	0.2099	Amp	G7D	27
777-787 MHz	0.2099	Amp	W7D	27
746-756 MHz	0.0086	Amp	GXW	27
746-756 MHz	0.0086	Amp	G7W	27
746-756 MHz	0.0086	Amp	F9W	27
746-756 MHz	0.0086	Amp	G7D	27
746-756 MHz	0.0086	Amp	W7D	27

Grants

TCB Grant - Application 236yGjCnhqW8fhZuk6CVwg==

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: 09/27/2026

Application Dated: 09/28/2026

Foshan lintratek Technology Co., Ltd.

Room 101, First Floor, No. 8, Xiaowugang

Garden Ceramic Factory, Shiwan, Chancheng District

Foshan,
China

Attention: Peter Shi , 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:	2AMPB-KW21N-LLCPA

Name of Grantee:	Foshan lintratek Technology Co., Ltd.

Equipment Class:	Part 20 Wideband Consumer Booster (CMRS)
Notes:	Cell Phone Signal Booster

Grant Notes	FCC Rule Parts	Frequency Range (MHZ)	Output Watts	Frequency Tolerance	Emission Designator
	24E	1850.0 - 1915.0	0.1476	Amp	GXW
	24E	1850.0 - 1915.0	0.1476	Amp	G7W
	24E	1850.0 - 1915.0	0.1476	Amp	F9W
	24E	1850.0 - 1915.0	0.1476	Amp	G7D
	24E	1850.0 - 1915.0	0.1476	Amp	W7D
	24E	1930.0 - 1995.0	0.0083	Amp	GXW
	24E	1930.0 - 1995.0	0.0083	Amp	G7W
	24E	1930.0 - 1995.0	0.0083	Amp	F9W
	24E	1930.0 - 1995.0	0.0083	Amp	G7D
	24E	1930.0 - 1995.0	0.0083	Amp	W7D
	27	1710.0 - 1755.0	0.1936	Amp	GXW
	27	1710.0 - 1755.0	0.1936	Amp	G7W
	27	1710.0 - 1755.0	0.1936	Amp	F9W
	27	1710.0 - 1755.0	0.1936	Amp	G7D
	27	1710.0 - 1755.0	0.1936	Amp	W7D
	27	2110.0 - 2155.0	0.0099	Amp	GXW
	27	2110.0 - 2155.0	0.0099	Amp	G7W
	27	2110.0 - 2155.0	0.0099	Amp	F9W
	27	2110.0 - 2155.0	0.0099	Amp	G7D
	27	2110.0 - 2155.0	0.0099	Amp	W7D
	22H	824.0 - 849.0	0.2028	Amp	GXW
	22H	824.0 - 849.0	0.2028	Amp	G7W
	22H	824.0 - 849.0	0.2028	Amp	F9W
	22H	824.0 - 849.0	0.2028	Amp	G7D
	22H	824.0 - 849.0	0.2028	Amp	W7D
	22H	869.0 - 894.0	0.0127	Amp	GXW
	22H	869.0 - 894.0	0.0127	Amp	G7W
	22H	869.0 - 894.0	0.0127	Amp	F9W
	22H	869.0 - 894.0	0.0127	Amp	G7D
	22H	869.0 - 894.0	0.0127	Amp	W7D
	27	699.0 - 716.0	0.1528	Amp	GXW
	27	699.0 - 716.0	0.1528	Amp	G7W
	27	699.0 - 716.0	0.1528	Amp	F9W
	27	699.0 - 716.0	0.1528	Amp	G7D
	27	699.0 - 716.0	0.1528	Amp	W7D
	27	729.0 - 746.0	0.2094	Amp	GXW
	27	729.0 - 746.0	0.2094	Amp	G7W
	27	729.0 - 746.0	0.2094	Amp	F9W
	27	729.0 - 746.0	0.2094	Amp	G7D
	27	729.0 - 746.0	0.2094	Amp	W7D
	27	777.0 - 787.0	0.2099	Amp	GXW
	27	777.0 - 787.0	0.2099	Amp	G7W
	27	777.0 - 787.0	0.2099	Amp	F9W
	27	777.0 - 787.0	0.2099	Amp	G7D
	27	777.0 - 787.0	0.2099	Amp	W7D
	27	746.0 - 756.0	0.0086	Amp	GXW
	27	746.0 - 756.0	0.0086	Amp	G7W
	27	746.0 - 756.0	0.0086	Amp	F9W
	27	746.0 - 756.0	0.0086	Amp	G7D
	27	746.0 - 756.0	0.0086	Amp	W7D

Power listed is conducted at antenna terminals. The antennas used with this signal booster must be installed to provide a separation distance of at least 20 cm from all persons. Users and installers must be provided with the antenna kitting and installation instructions and operating conditions for satisfying RF exposure compliance. This device is a Wideband Mobile Consumer Signal Booster authorized only for operation by and marketing to members of the general public for their personal use in accordance with the requirements of 47 CFR 20.21(a) and 20.21(g). The installation height of the antenna for AWS band (1700/2100 MHz) operations is limited to 10 meters above ground for compliance with 47 CFR 27.50.