WTO notification · TBT
United StatesAdopted, according to its latest notice
Official title
In the Matter of Upper C-band (3.98-4.2 GHz)
The United States issued an addendum on 30 October 2026 to the earlier TBT notification G/TBT/N/USA/2252. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 8 December 2025. The comment period closed on 3 February 2026.
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Broadband and mobile services, wireless telecommunication; Telecommunication systems; Radiocommunications; Mobile services
Latest notice (G/TBT/N/USA/2252/Add.4, 30 October 2026)
The latest notice says the measure was adopted or published.
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
The Federal Communications Commission (FCC or Commission) announces that the Office of Management and Budget (OMB) has approved the information collection requirements under OMB Control Number 3060-1272, as adopted in the Commission's Report and Order, Order of Proposed Modification, and Order on Reconsideration, FCC 26-46. This rule is effective 29 October 2026. 91 Federal Register (FR) 68055, 29 October 2026; Title 47 Code of Federal Regulations (CFR) Part 27: This final rule; announcement of effective date is identified by GN Docket Nos. 18-122 and 25-59; FCC 26-46. Commission documents as well as comments ('filings') are accessible from the Electronic Comment Filing System (ECFS) at and Commission documents are also accessible from the FCC's Electronic Document Management System (EDOCS).
Proposed rule - In this Notice of Proposed Rulemaking (NPRM), the Federal Communications Commission (Commission) seeks comment on proposed rule changes that would expand the ecosystem for next generation wireless services in the 3.7-4.2 GHz band (C-band) by making as much as 180, and at least 100, megahertz of the 3.98-4.2 GHz band (Upper C-band) available for terrestrial wireless flexible use via a system of competitive bidding. This action would be in furtherance of Congress' direction in the One Big Beautiful Bill Act (OBBB Act) to ''complet[e] a system of competitive bidding not later than 2 years after the date of enactment of this Act for not less than 100 megahertz in the band between 3.98 gigahertz and 4.2 gigahertz.'' The NPRM seeks comment on options for reconfiguring the Upper C-band in the contiguous United States ranging from 180 megahertz (3.98-4.16 GHz) to the congressionally mandated minimum of 100 megahertz (3.98-4.08 GHz) for terrestrial wireless use. The NPRM seeks comment on how much Upper C-band spectrum--beyond the minimum 100 megahertz required by the OBBB Act--could be repurposed by incumbent fixed satellite service (FSS) space station operators and on how the transition could be effectuated if their existing customers relocate out of the C-band. Under any of the reconfiguration options under consideration, the NPRM's baseline proposition is to apply the existing 3.7 GHz Service rules (applicable in the Lower C-band from 3.7-3.98 GHz) to any newly…
Every notice about this measure published here, newest first. Each one is the notifying member's own text.
AddendumG/TBT/N/USA/2252/Add.4
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
The Federal Communications Commission (FCC or Commission) announces that the Office of Management and Budget (OMB) has approved the information collection requirements under OMB Control Number 3060-1272, as adopted in the Commission's Report and Order, Order of Proposed Modification, and Order on Reconsideration, FCC 26-46. This rule is effective 29 October 2026. 91 Federal Register (FR) 68055, 29 October 2026; Title 47 Code of Federal Regulations (CFR) Part 27: This final rule; announcement of effective date is identified by GN Docket Nos. 18-122 and 25-59; FCC 26-46. Commission documents as well as comments ('filings') are accessible from the Electronic Comment Filing System (ECFS) at and Commission documents are also accessible from the FCC's Electronic Document Management System (EDOCS).
AddendumG/TBT/N/USA/2252/Add.3
Wireless Telecommunications Bureau Announces Upper C-Band Clearinghouse Selection Criteria and Submission Process
In this document, the Wireless Telecommunications Bureau (Bureau) announces that it has received detailed selection criteria and related submission instructions for proposals for the position of Upper C-band Clearinghouse. In Upper C-band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band, GN Docket Nos. 25-59 and 18- 122, Report and Order, Order of Proposed Modification, and Order on Reconsideration, FCC 26-46 (24 July 2026) (Upper C-band R&O), the Commission provided for the creation of an independent, third-party Upper C-band Clearinghouse to oversee the cost-related aspects of the Upper C-band transition, including the receipt, review, and disposition of all actual cost and lump sum reimbursement claims. The Upper C-band Clearinghouse will also administer the rebates for adjacent band radio altimeter retrofits. Potential clearinghouse candidates must email the selection committee with any questions about the selection criteria or submission requirements no later than 23 October 2026. Potential clearinghouse candidates must submit proposals according to the filing instructions contained in the selection committee's notification no later than 9 November 2026. 91 Federal Register (FR) 67313, 26 October 2026: This notice is identified by GN Docket Nos. 18-122 and 25-59; FCC 26-46. Commission documents as well as comments ('filings') are accessible from the Electronic Comment Filing System (ECFS) at and Commission documents are also accessible from the FCC's…
AddendumG/TBT/N/USA/2252/Add.2
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
In this document, the Federal Communications Commission (Commission) announces that the Office of Management and Budget (OMB) has approved the information collection requirements under OMB Control Number 3060-1272, as adopted in the Commission's Report and Order, Order of Proposed Modification, and Order on Reconsideration, FCC 26-46. Amendatory instructions 26 (47 CFR 27.1412(e)) and 35 (47 CFR 27.1419), published at 91 FR 48700, 31 July 2026, are effective on 19 October 2026. 91 Federal Register (FR) 66010, 19 October 2026; Title 47 Code of Federal Regulations (CFR) Part 27: This final rule; announcement of effective date is identified by GN Docket Nos. 18-122 and 25-59; FCC 26-46. Commission documents as well as comments ('filings') are accessible from the Electronic Comment Filing System (ECFS) at Commission documents are also accessible from the FCC's Electronic Document Management System (EDOCS).
CorrigendumG/TBT/N/USA/2252/Add.1/Corr.1
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
The Federal Communications Commission (Commission or FCC) is correcting a final rule that appeared in the Federal Register on 31 July 2026 (notified as G/TBT/N/USA/2252/Add.1). The text of the Report and Order, Order of Proposed Modification, and Order on Reconsideration inadvertently contained minor editorial errors and incorrectly restated the number of years provided in the definitions of the first and second performance benchmarks, which are corrected as detailed below. We make this correction to improve the clarity and internal consistency of the document. The corrections are effective on 29 September 2026. 91 Federal Register (FR) 55281, 27 August 2026; Title 47 Code of Federal Regulations (CFR) Part 27: This final rule; correction is identified by GN Docket Nos. 18-122 and 25-59; FCC 26-46. The Docket Folders provide access to associated documents as well as comments received (if any). Documents are also accessible from the FCC's Electronic Document Management System (EDOCS) by searching the GN Docket Numbers.
AddendumG/TBT/N/USA/2252/Add.1
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
In this document, the Federal Communications Commission (Commission) adopted a Report and Order, Order of Proposed Modification, and Order on Reconsideration (Order), that expands the ecosystem for next-generation wireless services in the 3.7-4.2 GHz band (C-band) by making 160 megahertz of the 3.98-4.2 GHz band (Upper C- band) available for terrestrial wireless flexible use. This action is pursuant to Congress' direction in the One Big Beautiful Bill Act to complete a system of competitive bidding by 4 July 2027, for at least 100 megahertz of spectrum in the 3.98-4.2 GHz band. The Order creates a single 3.7 GHz Service that spans 3.7-4.14 GHz and adopts competitive bidding procedures for an auction. The Order largely applies the current Lower C-band licensing and operating rules to the Upper C-band, but it imposes more forward-leaning performance requirements. The Commission also generally adopts the Lower C-band technical rules for the Upper C-band, with certain modifications designed to reinforce a successful coexistence environment with adjacent band radio altimeters. The Order requires new licensees in the Upper C-band, as a condition of their licenses, to reimburse defined incumbent Fixed Satellite Service (FSS) licensees for reasonable and necessary costs associated with migrating FSS operations out of the reconfigured portion of the Upper C-band, consistent with the Commission's Emerging Technologies precedent. The Order also provides incentives to eligible space…
Regular notificationG/TBT/N/USA/2252
Comment deadline: Closed on 3 February 2026
In the Matter of Upper C-band (3.98-4.2 GHz)
Proposed rule - In this Notice of Proposed Rulemaking (NPRM), the Federal Communications Commission (Commission) seeks comment on proposed rule changes that would expand the ecosystem for next generation wireless services in the 3.7-4.2 GHz band (C-band) by making as much as 180, and at least 100, megahertz of the 3.98-4.2 GHz band (Upper C-band) available for terrestrial wireless flexible use via a system of competitive bidding. This action would be in furtherance of Congress' direction in the One Big Beautiful Bill Act (OBBB Act) to ''complet[e] a system of competitive bidding not later than 2 years after the date of enactment of this Act for not less than 100 megahertz in the band between 3.98 gigahertz and 4.2 gigahertz.'' The NPRM seeks comment on options for reconfiguring the Upper C-band in the contiguous United States ranging from 180 megahertz (3.98-4.16 GHz) to the congressionally mandated minimum of 100 megahertz (3.98-4.08 GHz) for terrestrial wireless use. The NPRM seeks comment on how much Upper C-band spectrum--beyond the minimum 100 megahertz required by the OBBB Act--could be repurposed by incumbent fixed satellite service (FSS) space station operators and on how the transition could be effectuated if their existing customers relocate out of the C-band. Under any of the reconfiguration options under consideration, the NPRM's baseline proposition is to apply the existing 3.7 GHz Service rules (applicable in the Lower C-band from 3.7-3.98 GHz) to any newly…
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