Everything about C Band totally explained
==NATO C band==
The
NATO C band is that portion of the
electromagnetic spectrum between 500
MHz and 1000 MHz.
IEEE C band
The
IEEE C band is a portion of the electromagnetic spectrum in the
microwave range of frequencies ranging from 4 to 8 GHz..
It was the first frequency band allocated for commercial ground-to-satellite communications. A typical C band satellite uses 3.7–4.2
GHz for
downlink, and 5.925–6.425 GHz for
uplink. C band is primarily used for open satellite communications, whether for full-time satellite TV networks or raw satellite feeds, although subscription
programming also exists. This use contrasts with
direct broadcast satellite, which is a completely closed system used to deliver subscription programming to small satellite dishes connected to proprietary receiving equipment.
C band is highly associated with
TVRO satellite reception systems, commonly called "big dish" systems since small receiving antennas are not optimal for C-band systems. Typical antenna sizes on C-band capable systems ranges from 7.5 to 12 feet (2.5 to 3.5 meters) on consumer satellite dishes, although larger ones also can be used.
The 5.4GHz band (5.15–5.35/5.47–5.725/5.725–5.875 GHz) is used for IEEE 802.11a WIFI and cordless phone applications, leading to occasional interference with C band weather radars.
C band variants
Slight variations of C band frequencies are approved for use in various parts of the world.
| C Band Variants Around The World |
| Band |
Transmit Frequency
(GHz) |
Receive Frequency
(GHz) |
| Extended C Band |
5.850–6.425 |
3.625–4.200 |
| Super Extended C Band |
5.850–6.725 |
3.400–4.200 |
| INSAT C Band |
6.725–7.025 |
4.500–4.800 |
| Palapa C Band |
6.425–6.725 |
6.425–6.725 |
| Russian C Band |
5.975–6.475 |
3.650–4.150 |
| LMI C Band |
5.7250–6.025 |
3.700–4.000 |
See also
Further Information
Get more info on 'C Band'.
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