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2. Long-range Wi-Fi - Wikipedia

   en.wikipedia.org/wiki/Long-range_Wi-Fi

   Long-range Wi-Fi especially in the 2.4 GHz band (as the shorter-range higher-bit-rate 5.8 GHz bands become popular alternatives to wired LAN connections) have proliferated with specialist devices. While Wi-Fi hotspots are ubiquitous in urban areas, some rural areas use more powerful longer-range transceivers as alternatives to cell ( GSM , CDMA ...

3. Wi-Fi - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi

   An access point compliant with either 802.11b or 802.11g, using the stock omnidirectional antenna might have a range of 100 m (0.062 miles). The same radio with an external semi-parabolic antenna (15 dB gain) with a similarly equipped receiver at the far end might have a range over 20 miles.

4. WokFi - Wikipedia

   en.wikipedia.org/wiki/WokFi

   In addition, certain improved WokFi antennas, and antennas made using 60 to 90 cm (2-3 ft) diameter round or oval satellite TV dishes, allow even far greater range, up to 20 km (12 miles). [ 4 ] Interference from nearby 2.4 GHz signals (perhaps from cordless phones, AV links, leaky microwave ovens, other APs or Bluetooth) can be nulled out—a ...

5. Inverted-F antenna - Wikipedia

   en.wikipedia.org/wiki/Inverted-F_antenna

   A dual-band printed inverted-F antenna from a PC Card application providing a network interface controller in the 2.4 GHz and 5.2 GHz bands [15] The need for multi-band antennas arises with mobile devices that need to roam between countries and networks where the frequency bands used can often be different.

6. Whip antenna - Wikipedia

   en.wikipedia.org/wiki/Whip_antenna

   The whip antenna is a monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular to the antenna's axis), with the radiated power falling off with elevation angle to zero on the antenna's axis. [1]

7. IEEE 802.11n-2009 - Wikipedia

   en.wikipedia.org/wiki/IEEE_802.11n-2009

   IEEE 802.11n is an amendment to IEEE 802.11-2007 as amended by IEEE 802.11k-2008, IEEE 802.11r-2008, IEEE 802.11y-2008, and IEEE 802.11w-2009, and builds on previous 802.11 standards by adding a multiple-input multiple-output (MIMO) system and 40 MHz channels to the PHY (physical layer) and frame aggregation to the MAC layer.