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What is the minimum IOS required to upgrade a Access point radio to 802.11g?
The Cisco Aironet IEEE 802.11g-compliant radio (hereafter called the 802.11g radio) is designed to upgrade 1100 and 1200 series Cisco Access Points (APs) to IEEE 802.11g standards. The radio delivers 100 milliwatts (mW) of maximum transmit power at 1, 2, 5.5, and 11 megabits per second (Mbps) data rates and 30 mW maximum at all other data rates. The radio supports data rates of up to 54 Mbps.
The minimum IOS requirement for this upgrade is 12.2(13)JA. Before the 802.11g radio is installed, make sure that Cisco IOS Release 12.2(13)JA or later is used. If any lower versions of IOS is used, the AP reboots continously after the 802.11g radio is installed.
Caution: ESD can damage the radio and the internal components of the AP. It is recommended that the 802.11g radio upgrade procedures be performed by an ESD-trained service technician at an ESD-protected workstation.