MPPT Solar Charge Controller — by Guangzhou Limu Electronics Technology Co.,Ltd
FCC.gov blocks direct links from other sites (referer check) — titles below aren't clickable.
Use "View on FCC.gov" above to open and download the actual files.
FCC ID 2BEXG-LTM48XX
Device Details
FCC ID 2BEXG-LTM48XX Grantee Code 2BEXG Product Code LTM48XX Applicant Guangzhou Limu Electronics Technology Co.,Ltd Address 301, No. 5 Xiaojing East Road, Huangpu District, Guangzhou City, Guangzhou, N/A, N/A, China Equipment Class DTS - Digital Transmission System Device Description MPPT Solar Charge Controller Application Purpose Original Equipment Grant Date 2026-09-17 Frequency Range 2402-2480 MHz; 2412-2462 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
2402–2480 MHz
Original Equipment
2026-09-17
2412–2462 MHz
Original Equipment
2026-09-17
Exhibits (19)
View on FCC.gov ↗
Document Type Available File
Us_Agent
Attestation Statements
2026-09-17
ADOBE ACROBAT PDF 101.4 KB
Attestation Statement
Attestation Statements
2026-09-17
ADOBE ACROBAT PDF 151.2 KB
Kaspersky Statement
Attestation Statements
2026-09-17
ADOBE ACROBAT PDF 304.8 KB
Product similarity Declaration
Attestation Statements
2026-09-17
ADOBE ACROBAT PDF 134 KB
TCB_validation_US_agent_process
Attestation Statements
2026-09-17
ADOBE ACROBAT PDF 1.6 MB
Block Diagram
Block Diagram
ADOBE ACROBAT PDF 412.4 KB
Confidentiality
Cover Letter(s)
2026-09-17
ADOBE ACROBAT PDF 179.8 KB
Letter Authorization
Cover Letter(s)
2026-09-17
ADOBE ACROBAT PDF 76 KB
External photos
External Photos
2027-03-16
ADOBE ACROBAT PDF 1.9 MB
ID label and location
ID Label/Location Info
2026-09-17
ADOBE ACROBAT PDF 375.1 KB
Internal photos
Internal Photos
2027-03-16
ADOBE ACROBAT PDF 2 MB
Operational Description
Operational Description
ADOBE ACROBAT PDF 208.5 KB
MPE
RF Exposure Info
2026-09-17
ADOBE ACROBAT PDF 137.3 KB
Schematics
Schematics
ADOBE ACROBAT PDF 155.8 KB
Test report BLE
Test Report
2026-09-17
ADOBE ACROBAT PDF 1.8 MB
Antenna Specification
Test Report
2026-09-17
ADOBE ACROBAT PDF 723.9 KB
Test report 2.4G WIFI
Test Report
2026-09-17
ADOBE ACROBAT PDF 3.4 MB
Test Setup photo
Test Setup Photos
2027-03-16
ADOBE ACROBAT PDF 698.7 KB
User manual
Users Manual
2027-03-16
ADOBE ACROBAT PDF 5 MB
Application Information
Application ID ku5eb/SEwLaUE2Cjscl0vg== Final Action Date 2026-09-17 Application Purpose Original Equipment Model LTM48XX Frequency Range 2402-2480 MHz; 2412-2462 MHz Equipment Class DTS - Digital Transmission System Device Description MPPT Solar Charge Controller Responsible Party Musk zhang, 986250419@qq.com, 18906679427 Technical Contact Musk zhang, Guangzhou Limu Electronics Technology Co.,Ltd, 986250419@qq.com, 0086 18906679427 Non-Technical Contact Wenyi Wang, MIRAMONT SOLUTIONS LLC, wenyiwang@miramontsolutions.com, (951) 401-3633 Test Firm Lake Xie, Shenzhen ZKT Technology Co., Ltd., zkt@zkt-lab.com, 86-13620010775 TCB Email elabscert@applus.com TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques Long-Term Confidentiality Yes Short-Term Confidentiality Yes Short-Term Release Date 03/16/2027 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 (1)
Application ID Date Purpose
ku5eb/SEwLaUE2Cjscl0vg==
2026-09-17
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
2402–2480 MHz
0.00107
15C
2412–2462 MHz
0.04102
15C
Grants
TCB
GRANT OF EQUIPMENT
AUTHORIZATIONTCB
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: 09/17/2026
Guangzhou Limu Electronics Technology Co.,Ltd
301, No. 5 Xiaojing East Road,
Huangpu District, Guangzhou City
Guangzhou,
China
Attention: Musk zhang ,
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:
2BEXG-LTM48XX
Name of Grantee:
Guangzhou Limu Electronics Technology Co.,Ltd
Equipment Class:
Digital Transmission System
Notes:
MPPT Solar Charge Controller
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
2402.0
-
2480.0
0.00107
15C
2412.0
-
2462.0
0.04102
Output power listed is conducted power.The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance. The device contains 20MHz signal bandwidth.
Regulatory Testing from Start to Certificate
