Opportunity
Federal Register #GN Docket Nos. 18-122, 25-59; DA 26-341; FR ID 340668
FCC Requests Public Comment on Technical Rules for Lower C-Band Spectrum Harmonization
Buyer
Federal Communications Commission
Posted
April 15, 2026
Respond By
May 05, 2026
Identifier
GN Docket Nos. 18-122, 25-59; DA 26-341; FR ID 340668
The Federal Communications Commission (FCC) is seeking public comment on technical rules for harmonizing the Lower C-Band spectrum. - Government Buyer: - Federal Communications Commission (FCC) - Purpose: - Request for public input to refresh the record on pending petitions for reconsideration related to the 2020 Report and Order for the 3.7 to 4.2 GHz C-band spectrum - Focus on harmonizing technical rules across the entire C-band, including the Upper C-band (3.98-4.2 GHz) - Technical Issues for Comment: - Spurious emissions limits - Power levels - Coexistence with radio altimeters in the 4.2-4.4 GHz band - Analysis of costs and benefits for potential rule changes - Notable Details: - No specific products, OEMs, or purchase quantities are requested - This is a regulatory request for information, not a procurement or purchase opportunity - The FCC encourages detailed technical submissions from stakeholders
Description
The Federal Communications Commission (FCC) is seeking to refresh the record on pending petitions for reconsideration of its 2020 Report and Order regarding the flexible use of the 3.7 to 4.2 GHz band (C-band). This action considers technical proposals from a 2025 Notice of Proposed Rulemaking for the Upper C-band and aims to harmonize rules across the entire C-band spectrum. The FCC invites comments on technical issues, including spurious emissions limits and power levels, to promote coexistence with radio altimeters and align operational environments across the band. Comments are due by May 5, 2026.