Computer hardware South Africa - Wireless hardware

Account | Contact | Links | Pricelist | Newsletter | RSS
Free fax to email HP Epson Cannon Lexmark Panasonic OKI Brands.. Categories.. Newsletter RSS

Viewed recently
upUp | downDown 
Join the newsletter
A Forbes insurer

Visit ComX Computers on ShopMania

Mobile QR [?]
computers and laptops
  ComX Computers - since 2002 • home Thu 25 May, 2017View enquiry cart
Computers, laptops and PC hardware in South Africa.Computers
Laptops, computers and computer hardware South Africa Computers, laptops and other PC hardware in South Africa. Computers South AfricaLaptops, Notebooks and PDA South AfricaDigital camerasComputer hardware Pocket PC - PDA and organisers South AfricaSoftware - software titles South AfricaPrinters South AfricaSpeakersMP3 and WMA players Brands
computer salespc salescomputerscomputerscomputers

Wireless hardware


Wireless hardware sales South Africa

Select by brand Select by brand

Latest Wireless hardware

Wireless hardware South Africa

Wireless standard - wireless speeds

  • 802.11b up to 11Mbps
  • 802.11a/g up to 54Mbps
  • 802.11n (2.4GHz) up to 450Mbps
  • 802.11ac (5GHz) up to 1.3Gbps

Wireless standard - wireless coverage (distance, range)

  • 802.11b
    • Typical indoor range is 30 m (100 ft) at 11 Mbit/s and 90 m (300 ft) at 1 Mbit/s.
  • 802.11g 
    • Up to 38m indoors and 140m outdoors
  • 802.11n
    • Up to 70m indoors and 250m outdoors
  • 802.11ac
    • Asus claims 500 square meters compared to 400 square meters using their 802.11n devices. This is a 25% increase in range. There is not much data available at this time (January 2012).

801.11ac wireless / 5G Wi-Fi

It is very important to understand the throughput per device is 500Mbit/s maximum. This is nevertheless twice s fast as the 801.22n. This is close range. At greater distances, speeds can hit 50Mbit/s and 100Mbit/s which is still very fast and enough for hi-def streaming.

Theoretically, this specification will enable multi-station WLAN:

  • at minimum throughput of 1 gigabit per second on the device
  • a maximum single link throughput of at least 500 megabits per second (500 Mbit/s).

This is accomplished by extending the air interface concepts embraced by 802.11n: wider RF bandwidth (up to 160 MHz), more MIMO spatial streams (up to 8), multi-user MIMO, and high-density modulation (up to 256 QAM).

802.11n wireless

IEEE 802.11n-2009 is an amendment to the IEEE 802.11-2007 wireless networking standard to improve network throughput over the two previous standardsó802.11a and 802.11gówith a significant increase in the maximum net data rate from 54 Mbit/s to 600 Mbit/s (slightly higher gross bit rate including for example error-correction codes, and slightly lower maximum throughput) with the use of four spatial streams at a channel width of 40 MHz.

 802.11n standardized support for multiple-input multiple-output and frame aggregation, and security improvements, among other features.

802.11g wireless

IEEE 802.11g-2003 or 802.11g is an amendment to the IEEE 802.11 specification that extended throughput to up to 54 Mbit/s using the same 2.4 GHz band as 802.11b. This specification under the marketing name of Wi-Fi has been implemented all over the world. The 802.11g protocol is now Clause 19 of the published IEEE 802.11-2007 standard.

802.11b wireless

IEEE 802.11b-1999 or 802.11b, is an amendment to the IEEE 802.11 specification that extended throughput up to 11 Mbit/s using the same 2.4 GHz band. This specification under the marketing name of Wi-Fi has been implemented all over the world. The amendment has been incorporated into the published IEEE 802.11-2007 standard.
802.11 is a set of IEEE standards that govern wireless networking transmission methods. They are commonly used today in their 802.11a, 802.11b, 802.11g and 802.11n versions to provide wireless connectivity in the home, office and some commercial establishments.

802.11b cards can operate at 11 Mbit/s, but will scale back to 5.5, then 2, then 1 Mbit/s (also known as Adaptive Rate Selection) when the signal weakens.

802.11a wireless

While 802.11b was in development, IEEE created a second extension to the original 802.11 standard called 802.11a. Because 802.11b gained in popularity much faster than did 802.11a, some folks believe that 802.11a was created after 802.11b. In fact, 802.11a was created at the same time. Due to its higher cost, 802.11a is usually found on business networks whereas 802.11b better serves the home market.

802.11a supports bandwidth up to 54 Mbps and signals in a regulated frequency spectrum around 5 GHz. This higher frequency compared to 802.11b shortens the range of 802.11a networks. The higher frequency also means 802.11a signals have more difficulty penetrating walls and other obstructions.

A sample of Wireless hardware that this computer shop has on offer

  • SK-EH1200FX-1000-1FT
    Siklu E-Band PTP link FDD 1Gbps 1ft INT antenna
  • SK-EH1200FX-1000
    Siklu E-Band PTP link FDD 1Gbps 2ft antenna
  • SI-AP2-XX47-DISH
    SIAE 11-26GHz Dish for ALFOplus2, 120cm
    SIAE ALFOplus2 11-23Ghz Link 400mbps
  • DSR-250N
    D-Link DSR-250N Wireless N300 VPN Gigabit Router
  • DSL-224
    D-link DSL-224 white ADSL2+/VDSL2 Modem + Wireless Router
  • DSR-1000AC
    D-Link DSR-1000AC Wireless AC1300 Dual Band VPN Gigabit Router
  • DIR-816
    D-link DIR-816 Wireless AC750 Dual Band Router
E&OE. All prices and specifications are subject to change without notice. All prices are a reference and are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. At no point do we make offers to sell on any website and quotes are required before a purchase can be made. All transactions are subject to our terms of sale. ComX Computers: a South African online computer store.
© 2017 ComX computers. All materials and content posted on this Web site, including, but not limited to, all text, graphics, photographs, data, images, functions and scripts are the property of, subject to and protected by copyrights owned by the ComXpert International CC © ("ComX Computers" / "Laptop Direct" ). Other brands, trademarks and Logos are the property of their respective owners in South Africa and/or other countries.
Other sites
Related sites
laptop sales
computer sales