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2.4GHz Spectrum

The 2.4GHz band is the most common band for most wireless devices ranging from Home Routers and HotSpot locations e.g. Caravan Park, Shopping Centres and Cafés to Portable mobile devices such as Mobile Phones, Tablets and Games Consoles.

Wireless Standard for this band is shown as 802.11 b / g / n / ac.

The spectrum operating frequency range is 2412 – 2484MHz. The OFCOM /ETSI standard for UK Operating channels are between Channel 1 - 13.

The maximum EIRP (Effective Isotropic Radiated Power) is 20dBm / 100mW.

EIRP (dBm) = Output Power (dBm) + Antenna Gain (dBi)


2.4GHz Wireless 802.11 Standard

802.11 Protocol Frequency Channel Width(MHz) Data Rate per Stream(Mbps) Allowable MIMO Spatial Streams Modulation
B 2.4GHz 20 11 1 DSSS
G 2.4GHz 20 54 1 OFDM
N 2.4GHz 20 72.2 4 OFDM / DSSS
AC 2.4GHz 20 96.3 8 MIMO / OFDM

2.4GHz Band Channels / Frequencies

2.4GHz Channel Frequency (MHz) 2.4GHz Channel Frequency (MHz)
1 2412 8 2447
2 2417 9 2452
3 2422 10 2457
4 2427 11 2462
5 2432 12 2467
6 2437 13 2472
7 2442 14 2484