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WiFi (Wireless Fidelity) is the leading communication protocol for Wireless Technology. WiFi generically refers to any type of 802.11 networks. All Products tested and certified as “WiFi Certified” by the WiFi Alliance are interoperable with each other.

802.11 Standards:

• 802.11a: 5 GHz, 54 Mbps
• 802.11b: 2.4 GHz, 11 Mbps
• 802.11d: Multiple regulatory domains
• 802.11e: Quality of Service (QoS)
• 802.11f: Inter-Access Point Protocol (IAPP)
• 802.11g: 2.4 GHz, 54 Mbps
• 802.11h: Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC)
• 802.11i: Security
• 802.11k: Measurement

802.11a and 802.11b/g Standards can be positioned as follows:


802.11a: Maximum Wireless LAN performance, 8 Channels, but works only in U.S. and Japan, 5 GHz band has less interference (at least initially) 802.11a wireless LANs will provide for 54 Mbps, the highest data rate available. With eight channels, 802.11a wireless LANs may be scaled to any size without concern for channel re-use issues. The 5 GHz UNII bands are today un-occupied by potentially interfering devices. On the other hand, initial 802.11a offerings will not be compatible with ETSI regulations for the EMEA market and some portions of the Asia Pacific theater. As it operates in the 5GHz portions of the frequency spectrum, 802.11a products are not compatible with the installed base of 802.11b products. So, while 802.11a presents a number of advantages over 802.11b, but it is not without its shortcomings on an application by application basis.

802.11b/g: data rate of 11Mbps - 54Mbps, works worldwide.
802.11g is compatible with installed 802.11b networks, Wide selection of client devices, Lower cost products, Lower power products (important for handhelds).
802.11b has 3 Channels wireless LANs and provide for an 11Mbps data rate, roughly that of standard Ethernet and well less than that of 802.11a.
802.11g has 11 Channels wireless LANs and provide for an 54Mbps data rate at 2.4GHz.
802.11b/g products operate in a portion of the frequency spectrum that has been set aside for unlicensed operation on a worldwide basis. There is a substantial and growing base of products installed today using the 802.11b/g standards. The lower power consumption of 802.11b/g, longer range and generally lower cost relative to 802.11a make 802.11b/g an attractive option particularly for applications where the premium is placed upon client battery life, size and cost.

By providing wireless LAN product lines that covers both 802.11a and 802.11b/g, SANTEC Communications is able to better meet the largest variety of today’s wireless networks application requirements.

There are a number of wireless technologies available on the market today:

  • Wireless PAN (Personal Area Network)
  • Wireless LAN (Local Area Network)
  • Wireless MAN (Metropolitan Area Network)
  • Wireless WAN (Wide Area Network)

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