802.11 Wireless Channels
A range of frequencies have been specified for open, public use by
most countries. These fall between 2.4GHz and 2.5GHz and are being used
by many companies to produce wireless network devices. These frequencies
have been divided into several channels as indicated below although not
all channels are available in all countries.
| Channel |
Frequency |
| 1 |
2.412GHz |
| 2 |
2.417GHz |
| 3 |
2.422GHz |
| 4 |
2.427GHz |
| 5 |
2.432GHz |
| 6 |
2.437GHz |
| 7 |
2.442GHz |
| 8 |
2.447GHz |
| 9 |
2.452GHz |
| 10 |
2.457GHz |
| 11 |
2.462GHz |
| 12 |
2.467GHz |
| 13 |
2.472GHz |
| 14 |
2.484GHz |
|
| Country |
Channels |
| Europe (ETSI) |
01 - 13 |
| USA (FCC) |
01 - 11 |
| France |
10 - 13 |
| Japan |
01 - 14 |
|
13 Cm Band Allocation
2300 - 2450 MHz FIXED, MOBILE Primary Services
2300 - 2450 MHz RADIOLOCATION Primary Service
2400 - 2450 MHz INDUSTRIAL / SCIENTIFIC / MEDICAL Primary Service
2300 - 2302 MHz AMATEUR Secondary Service
2400 - 2450 MHz AMATEUR Secondary Service
2400 - 2450 MHz AMATEUR SATELLITE Secondary Service
From Jan 2000, amateur operation permitted only between 2300-2302 and 2400-2450 MHz.
Band Plan
2300.000 - 2302.000 FM DUPLEX
2400.000 - 2403.000 AMATEUR SATELLITES
2403.000 - 2406.000 NARROW BAND MODES (Recommended segment)
2403.000 - 2403.100 EME only
2403.100 - 2403.400 Terrestrial CW / SSB
2403.100 Calling frequency: national primary
2403.200 Calling frequency: national secondary
2403.220 - 2403.240 Digital DX modes
2403.400 - 2403.600 Beacons
2403.600 - 2406.000 General / Experimental /Linear Translators
2406.000 - 2424.000 ATV CHANNEL 1
2424.000 - 2425.000 NARROW BAND MODES (Alternative segment)
2425.000 - 2428.000 FM SIMPLEX
2425.000 National voice calling frequency
2425.750 RTTY (AFSK)
2425.775 SSTV / Fax (AFSK)
2425.800 WICEN
2425.850 National ARDF frequency
2426.000 - 2428.000 Digital Data
2428.025 - 2429.975 FM DUPLEX
2430.000 - 2448.000 ATV CHANNEL 2
2448.025 - 2449.975 FM DUPLEX
|
