---
kind: "section"
citation: "47 C.F.R. § 88.107"
title: "47"
number: "88.107"
heading: "Out-of-band emission limits."
url: "https://uscodex.org/cfr/47/88.107"
---

# §88.107. Out-of-band emission limits.


Transmitters operating in the 5030-5091 MHz band must comply with the out-of-band-emission limits specified in technical standard RTCA DO-362A (incorporated by reference, see [§ 88.117](/cfr/47/88.117.md)) [section 2.2.1.8.2](/cfr/47/2.2.1.8.2.md) and associated subsections. On any frequency outside the 5030-5091 MHz band that is not addressed by RTCA DO-362A [section 2.2.1.8.2](/cfr/47/2.2.1.8.2.md) and associated subsections, the power of any emission, as measured over a 1 megahertz resolution bandwidth, shall be attenuated outside the band below the transmitter power (P) by at least 43 + 10log(P) dB.


## Notes

### Authority

Authority: 47 U.S.C. 154(i), 303, 307.

### Source

Source: 90 FR 1395, Jan. 8, 2025, unless otherwise noted.