Cisco IOS Software Configuration Guide for Cisco Aironet Access Points, 12.2(11)JA - Configuring Multiple SSIDs [Cisco Aironet 1100 Series] - Cisco Systems

Cisco article about multiple SSID with Cisco wireless

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points, 12.2(11)JA - Configuring Multiple SSIDs  [Cisco Aironet 1100 Series] - Cisco Systems: "The SSID is a unique identifier that wireless networking devices use to establish and maintain wireless connectivity. Multiple access points on a network or sub-network can use the same SSIDs. SSIDs are case sensitive and can contain up to 32 alphanumeric characters. Do not include spaces in your SSIDs."