The Service Set Identifier (SSID) is most commonly known as the name of the wireless network, as it is seen by laptops, smartphones, and other mobile devices. The SSID is used to help us differentiate a particular network from another. An AP or wireless router continuously advertizes its SSIDs via broadcast messages, while clients, such as laptops, capture these broadcast messages (better known as beacons) to obtain the SSID it contains.
SSIDs are usually human-readable text or characters of a maximum length of 32 bytes. The following is an example of SSIDs discovered by an Android tablet:
