47 CFR § 90.357 - Frequencies for LMS systems in the 902-928 MHz band.

---
identifier: "/us/cfr/t47/s90.357"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 90.357 - Frequencies for LMS systems in the 902-928 MHz band."
title_number: 47
title_name: "Telecommunication"
section_number: "90.357"
section_name: "Frequencies for LMS systems in the 902-928 MHz band."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "90"
part_name: "PRIVATE LAND MOBILE RADIO SERVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473"
regulatory_source: "43 FR 54791, Nov. 22, 1978, unless otherwise noted."
cfr_part: "90"
---


# 90.357 Frequencies for LMS systems in the 902-928 MHz band.

(a) Multilateration LMS systems will be authorized on the following LMS sub-bands:

| LMS sub-band | Forward link |
| --- | --- |
| 904.000-909.750 MHz | 927.750-928.000 MHz. |
| 919.750-921.750 MHz. | 927.500-927.750 MHz. |
| 921.750-927.250 MHz | 927.250-927.500 MHz. |
| Forward links for LMS systems may also be contained within the LMS sub-band. However, the maximum allowable power in these sub-bands is 30 Watts ERP in accordance with § 90.205(l). |  |
| The frequency band 919.750-921.750 MHz is shared co-equally between multilateration and non-multilateration LMS systems. |  |

(b) Non-multilateriation LMS systems will be authorized in the following frequency bands:

| LMS Sub-band |
| --- |
| 902.000-904.000 MHz |
| 909.750-921.750 MHz |
| Applicants for non-multilateration LMS systems should request only the minimum amount of bandwidth necessary to meet their operational needs. |

[72 FR 35198, June 27, 2007, as amended at 75 FR 19284, Apr. 14, 2010]