D-Link DSL-2875AL User Manual page 50

D-Link DSL-2870B Dual Band Wireless AC750 ADSL2+ Modem Router User Manual
2.4G Multiple WLAN SSIDs
The SSID is name of your WLAN. Try to avoid using standard term, e.g. WLAN, as
SSID.
The DSL-2875AL supports Multiple SSIDs so you can operate several WLAN in
parallel.
Web User Interface Configuration Page 50