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1.4 GHz Band
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The unpaired 1390-1392 MHz band and the paired 1392-1395/1432-1435 MHz bands comprise the FCC's "1.4 GHz band."
TerreStar acquired the 1.4 GHz band licenses, but after several years of challenges, it declared bankruptcy and emerged as MidWave, which plans to use the 1.4 GHz band for a nationwide 5G deployment in the U.S. and its territories.
The bands have incumbent operations which will continue. According to the FCC:
There are several government operations that will continue to operate in these bands:
1390-1392 MHz
-Radio astronomy observations may be assigned in the 1350-1400 MHz band on an unprotected basis at the 16 radio astronomy observatories identified in the table of Footnote US311 set forth in 47 C.F.R. § 2.106.
-In the 1390-1400 MHz band, government operations authorized as of March 22, 1995, at the 17 sites identified in the table of Footnote US351 set forth in 47 C.F.R. § 2.106 will continue to operate on a fully protected basis until January 1, 2009. All other government operations, except for medical telemetry (1395-1400 MHz), will operate on a non-interference basis to authorized non-Government operations and shall not hinder implementation of any non-Government operations.
1392-1395 MHz and 1432-1435 MHz
-Radio astronomy observations may be assigned in the 1350-1400 MHz band on an unprotected basis at the 16 radio astronomy observatories identified in the table of Footnote US311 set forth in 47 C.F.R. § 2.106.
-In the 1390-1400 MHz band, government operations authorized as of March 22, 1995, at the 17 sites identified in the table of Footnote US351 set forth in 47 C.F.R. § 2.106 will continue to operate on a fully protected basis until January 1, 2009. All other government operations, except for medical telemetry (1395-1400 MHz), will operate on a non-interference basis to authorized non-Government operations and shall not hinder implementation of any non-Government operations.
-In the 1432-1435 MHz band, government stations in the fixed and mobile services may operate indefinitely on a primary basis at the 23 sites listed in the table of Footnote US361 set forth in 47 C.F.R. § 2.106. All other Government stations in the fixed and mobile services shall operate on a primary basis until re-accommodated in accordance with the National Defense Authorization Act of 1999.
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Frequency Bands |
| Band | Use | Service11 | Table |
| 1390 - 1392 MHz | Unpaired component of the 1.4 GHz band | Mobile | N |
Paired Frequency Bands |
| Paired Bands | Use | Service | Table |
| 1392 - 1395 MHz | Paired component of the 1.4 GHz band | Mobile | N |
| 1432 - 1435 MHz | Paired component of the 1.4 GHz band | Mobile | N |
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