Description
This article describes the difference between Grandstream GVC3220 (US) and GVC3220 (World).
The Wi-Fi channels are different between GVC3220 (US) and GVC3220 (World) models. Some Wi-Fi channels in the US conflict with the Radar channels, and they cannot be used in the US region.
GVC3220 (US) can only use the Wi-Fi channels below:
2.4G: 1 2 3 4 5 6 7 8 9 10 11
5G: 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165