2.5-millimeter band
The 2.5-millimeter or 122 GHz band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio use between 122.250 GHz and 123.000 GHz. The band is close to a molecular resonance of oxygen at 120 GHz, which causes significant atmospheric propagation losses, similar to that found at 60 GHz. Due to the lack of commercial off the shelf radios, amateurs who operate on the 2.5 mm band must design and construct their own equipment, and those who do, often attempt to set communication distance records for the band.
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2.5-millimeter band
The 2.5-millimeter or 122 GHz band is a portion of the EHF (microwave) radio spectrum internationally allocated to amateur radio use between 122.250 GHz and 123.000 GHz. The band is close to a molecular resonance of oxygen at 120 GHz, which causes significant atmospheric propagation losses, similar to that found at 60 GHz. Due to the lack of commercial off the shelf radios, amateurs who operate on the 2.5 mm band must design and construct their own equipment, and those who do, often attempt to set communication distance records for the band.
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Als 2,5-Millimeter-Band bezeic ...... Amateurfunkdienst zugewiesen.
@de
La bande de 2,5 mm, aussi dési ...... ce pour le trafic radio local.
@fr
Pasmo 120 GHz (2,5 mm) – pasmo ...... ale od 122,250 do 123,000 GHz.
@pl
The 2.5-millimeter or 122 GHz ...... distance records for the band.
@en
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Als 2,5-Millimeter-Band bezeic ...... Amateurfunkdienst zugewiesen.
@de
La bande de 2,5 mm, aussi dési ...... ce pour le trafic radio local.
@fr
Pasmo 120 GHz (2,5 mm) – pasmo ...... ale od 122,250 do 123,000 GHz.
@pl
The 2.5-millimeter or 122 GHz ...... distance records for the band.
@en
label
2,5-Millimeter-Band
@de
2.5-millimeter band
@en
Bande des 2,5 mm
@fr
Pasmo 120 GHz
@pl