| Band | Frequency Range | Wavelength |
| HF | 3 to 30 MHz | 10 meter to 1 meter |
| VHF | 30 MHz - 300 MHz | 1,000cm to 100cm |
| UHF | 300 MHz - 1 GHz | 100cm to 30 cm |
| L band | 1 to 2 GHz | 30cm to 15cm |
| S band | 2 GHz - 4 GHz | 15cm to 7.5cm |
| C band | 4 GHz - 8 GHz | 7.5cm to 3.8cm |
| X band | 8 GHz - 12 GHz | 3.8cm to 2.5cm |
| Ku band | 12 GHz - 18 GHz | 2.5 to 1.7 cm |
| K band | 18 GHz - 27 GHz | 1.7 to 1.1 cm |
| Ka band | 27 GHz - 40 GHz | 1.1 to 0.75 cm |
| V band | 40 GHz - 75 GHz | 0.75 to 0.40 cm |
| W band | 75 GHz - 100 GHz | 0.40 to 0.27 cm |
| mm | 110 to 300 GHz | 0.27 to 0.10 cm |
| Band | Description | Frequency Range | Wavelength |
| ELF | Extremely low frequency | 3 Hz - 30 Hz | 100,000 Km - 10,000 Km |
| SLF | Super low frequency | 30 Hz - 300 Hz | 10,000 Km - 1,000 Km |
| ULF | Ultra low frequency | 300 Hz - 3 KHz | 1,000 Km - 100 Km |
| VLF | Very low frequency | 3 KHz - 30 KHz | 100 Km - 10 Km |
| LF | Low frequency | 30 KHz - 300 KHz | 10 Km - 1 Km |
| MF | Medium frequency | 300 KHz - 3 MHz | 1 Km - 100 meters |
| HF | High frequency | 3 MHz - 30 MHz | 100 meters - 10 meters |
| VHF | Very high frequency | 30 MHz - 300 MHz | 10 meters - 1 meter |
| UHF | Ultra high frequency | 300 - 3,000 MHz | 1 meter - 10 cm |
| SHF | Super high frequency | 3 - 30 GHz | 10 cm - 10 mm |
| EHF | Extremely high frequency | 30 - 300 GHz | 10 mm - 1 mm |
| THF | Tremendously high frequency | 300 - 3,000 GHz | 1 mm - 0.1 mm |
| Band | Frequency Range |
| AM broadcasting | 535 to 1605 KHz; extended to 1705 kHz |
| FM broadcasting | 88 to 108 MHz |
| Terrestrial Trunked Radio (TETRA) | 300 to 1 GHz |
| CDMA 450 | 420 to 495 MHz |
| 700 MHz Public Safety Band | 764 to 869 MHz |
| 800 MHz Cellular / GSM 850 / CDMA 850 | 824 to 849 MHz; 869 to 894 MHz |
| GSM 900 | 890 to 915 MHz; 935 to 960 MHz |
| Global Positioning System (GPS) | L1: 1575.42 MHz; L2: 1227.60 MHz |
| GSM 1800 | 1710 to 1785 MHz; 1805 to 1880 MHz |
| GSM 1900 / WCDMA 1900 / PCS 1900 | 1850 to 1910 MHz; 1930 to 1990 MHz |
| UMTS / Advanced Wireless Services (AWS) | 1710 to 1755; 2110 to 2155 MHz |
| WCDMA-3G | 1920 to 1980 MHz; 2110 to 2170 MHz |
| Radio Frequency Identification (RFID) | 860 to 960 MHz; 2.4 to 2.5 GHz |
| IEEE 802.11b/g / Industrial, Scientific and Medical (ISM) / WiFi | 2.4 to 2.5 GHz |
| WiMAX | 2.3 GHz; 2.5 GHz; 3.5 GHz; 5.8 GHz |
| 4.9 GHz Public Safety | 4.940 to 4.990 GHz |
Need more details, take a look at the official FCC interactive spectrum allocation chart.