chromeos/test/data/network/shill_wifi_psk.json

{
   "AutoConnect": true,
   "GUID": "{64c4f86b-cf6a-4e4a-8eff-456def}",
   "Mode": "managed",
   "Passphrase": "some passphrase",
   "Security": "psk",
   "Type": "wifi",
   "WiFi.HexSSID": "4F70656E577274", // "OpenWrt"
   "WiFi.HiddenSSID": false,
   "WiFi.Frequency": 2412,
   "WiFi.FrequencyList": [2412, 5180]
}