Wireless network and frequency bands

Wireless LAN

Most of the wireless local area computer networks today are based on the IEEE 802.11 a/b/g standards. These standards were developed by the IEEE (Institute of Electrical and Electronics Engineers) in order to insure inter-operability between different WLAN vendors.

802.11 Standard

Release date

Frequency (GHz)

Maximum bit rate (Mbits/sec)

Modulation type

Wi-Fi 2 (a)

1999

5

54

OFDM
Wi-Fi 1 (b)

1999

2.4

11

DSSS
Wi-Fi 3 (g)

2003

2.4

54

OFDM

Table 1-1 Wireless LAN standards

The 2.4GHz and 5GHz frequency bands are license free world wide.

However you must be aware of country specific limitations and follow them.