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Table 1 Classification of wireless communication signals by frequency

From: Research on TD-LTE wireless communication network propagation model optimization based on visual simulation and GIS

Band name Wavelength range Frequency range Propagation mode Application occasion
Long wave band 2000–20000 m 30–300 kHz Ground wave Long distance communication
Mid-band 200–2000 m 300–3000 kHz Ground wave Broadcast, communication, navigation
Short wave band 20–200 m 3–30 MHz Sky wave Middle distance communication
Ultra-short wave band I ~ 20 m 30–300 MHz Linear propagation, scattering Mobile communication, TV broadcasting
Decimeter wave band 200–2000 m 300–3000 MHz Linear propagation, scattering Mobile communications, satellite communications,
Centimeter wave band I ~ 20 m 3–30 GHz Straight propagation TV broadcasting, radar
Millimeter wave I ~ 20 m 30–300 GHz Straight propagation Relay communication, radar, satellite