47 CFR § 18.109 - General technical requirements.

---
identifier: "/us/cfr/t47/s18.109"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 18.109 - General technical requirements."
title_number: 47
title_name: "Telecommunication"
section_number: "18.109"
section_name: "General technical requirements."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "18"
part_name: "INDUSTRIAL, SCIENTIFIC, AND MEDICAL EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 301, 302, 303, 304, 307."
regulatory_source: "50 FR 36067, Sept. 5, 1985, unless otherwise noted."
cfr_part: "18"
---


# 18.109 General technical requirements.

ISM equipment shall be designed and constructed in accordance with good engineering practice with sufficient shielding and filtering to provide adequate suppression of emissions on frequencies outside the frequency bands specified in § 18.301.