Spot Silencer — by Frederick Energy Products LLC
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RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits - this device complies with KDB 447498 and is approved for mobile/fixed operation.
FCC ID QUI-SPOT-Z
Device Details
FCC ID QUI-SPOT-Z Grantee Code QUI Product Code SPOT-Z Applicant Frederick Energy Products LLC Address Huntsville, AL, 35806, United States Equipment Class DCD - Part 15 Low Power Transmitter Below 1705 kHz Device Description Spot Silencer Application Purpose Class II Permissive Change Grant Date 2026-09-18 Frequency Range 0.073-0.073 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
0.07300000–0.07300000 MHz
Class II Permissive Change
2026-09-18
Exhibits (7)
View on FCC.gov ↗
Document Type Available File
Covered List Attestations
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 206.7 KB
US Agent for Service of Process Attestations
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 99.1 KB
Cover Letter
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 104.6 KB
Agent Authorization
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 123.3 KB
MPE Report
RF Exposure Info
2026-09-18
ADOBE ACROBAT PDF 349.6 KB
EMC Test Report
Test Report
2026-09-18
ADOBE ACROBAT PDF 735.3 KB
EMC Test Set Up Photos
Test Setup Photos
2026-09-18
ADOBE ACROBAT PDF 3 MB
Application Information
Application ID kCjCPt+Yxlh3i2IOUrQ4yw== Final Action Date 2026-09-18 Application Purpose Class II Permissive Change Model SPOT-Z Frequency Range 0.073-0.073 MHz Equipment Class DCD - Part 15 Low Power Transmitter Below 1705 kHz Device Description Spot Silencer Responsible Party Ishmael Chigumira, ishmael@ishtronics.com, 470-455-5925 Technical Contact Ishmael Chigumira, Frederick Energy Products LLC, ishmael@ishtronics.com, 470-455-5925 Non-Technical Contact Ishmael Chigumira, Frederick Energy Products LLC, ishmael@ishtronics.com, 470-455-5925 Test Firm Steve Koster, Washington Laboratories, Ltd., stevek@wll.com, 301-216-1590 TCB Email hotline@acbcert.com TCB Scope A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices Long-Term Confidentiality No Short-Term Confidentiality No 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 (2)
Application ID Date Purpose
kCjCPt+Yxlh3i2IOUrQ4yw==
2026-09-18
Class II Permissive Change
pJm0D2jHVvdZ5Bwb/C1m1w==
2025-01-10
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
0.07300000–0.07300000 MHz
15C
Grants
TCB
GRANT OF EQUIPMENT
AUTHORIZATIONTCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:
ACB, Inc.
3060 Williams Drive Suite 300 #104
Falls Church, VA 22031
Date of Grant: 09/18/2026
Frederick Energy Products LLC
1769 Jeff Road
Huntsville, AL 35806
Attention: Ishmael Chigumira ,
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:
QUI-SPOT-Z
Name of Grantee:
Frederick Energy Products LLC
Equipment Class:
Part 15 Low Power Transmitter Below 1705 kHz
Notes:
Spot Silencer
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
0.073
-
0.073
Class II Permissive Change
Regulatory Testing from Start to Certificate
