@blazessdd, welcome to the community!
- Band Steering (802.11k / 802.11v / 802.11r) support in 18.06.1? - #6 by lleachii
- "Bind" client to specific SSID vs "band steering"
- Dual-band SSID Best Practices? - #2 by lleachii
There's no built in software, this is a propriatary feature of some OEMs.