Specification Description Main Purpose Pros Cons Compatibility that is not easily obstructed the unlicensed frequency band. IEEE h (2003) Originally designed to solve regulatory requirements for operations in the 5 GHz band in Europe, but now applies to many other countries It provides Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC) to the a MAC European Regulation Compliance IEEE i (June, Specification for wireless networks security mechanisms. This standard is based on the AES Advanced Encryption Standard) and can encrypt transmissions that run on ab and g technologies. Security Improvements IEEE j (2004) Designed to ensure that WLAN operation in the 4.9 to 5 GHz band conform to the Japanese rules for radio use. Japan Compliance IEEE k (Proposed A proposed amendment to IEEE 802.11 standard for radio resource management. It defines and exposes radio and network information to facilitate the management and maintenance of seamless roaming in the WLAN environment. Radio Resource Management
