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Encryption used is AES. If AES is not supported by your router, the INCH charging station will not be able to connect to this network. Please note: some of the older routers use TKIP encryption. (more about encryption: https://www.howtogeek.com/204697/wi-fi-security-should-you-use-wpa2-aes-wpa2-tkip-or-both/ ).
Make sure router or access point support network standards: IEEE 802.11n | IEEE 802.11g | IEEE 802.11b and not only 802.11 AC (5 GHz). INCH can connect only to 2.4 GHz.