Grandstream Networks GWN76 Series User Manual page 78

In order to successfully use the voucher feature, users will need to create a captive portal in order to request voucher
authentication codes from users before allowing them access to internet. More details about captive portal will be covered on
next section but for voucher configuration please follow below steps.
1. Go under "Captive Portal �� Policy List" menu.
2. Press in order to add new captive portal policy.
3. Set the following parameters as shown on the screenshot for basic setup then save and apply.
Then go under your SSID configuration page and enable the generated captive portal under Wi-Fi settings tab.
RADIO
When using GWN76XX as Master Access Point, users can edit the frequency band used by the AP and channel used along
with the Transmission power for each band.
Log in as Master to the GWN76XX Web GUI and go to Radio.
Band Steering Band Steering will help redirect clients to a radio band 2.4G or 5G, depending on what is supported by the
device, for efficient use and to benefit from the maximum throughput.
Four options are allowed by GWN.Cloud:
Captive Portal with Voucher authentication
Radio-General
General