Epson EcoTank Photo ET-8500 Wireless Color All-in-One Supertank Printer - Manual (Page 334)

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Wi-Fi channels 5 GHz*:
W52 (36/40/44/48)
W53 (52/56/60/64)
W56 (100/104/108/112/116/132/136/140)
W58 (149/153/157/161/165)
2.4 GHz:
1/2/3/4/5/6/7/8/9/10/11/12/13
Wi-Fi Direct channels 5 GHz*:
W52 (36/40/44/48)
W58 (149/153/157/161/165)
2.4 GHz:
1/2/3/4/5/6/7/8/9/10/11/12/13
Maximum radio-frequency
power transmitted 20 dBm (EIRP)
Connection modes Infrastructure mode
Wi-Fi Direct (Simple AP)
Note: Wi-Fi Direct (Simple AP) mode available for IEEE 802.11b.
Wireless security protocols WEP (64/128 bit)
WPA2-PSK (AES); complies with WPA2 standards with support for
WPA/WPA2 Personal
WPA3-SAE (AES)
Note: Wi-Fi Direct supports only WPA2-PSK (AES).
*The availability of outdoor use over these channels varies by location, as described in the table below.
Limitations for Using 5GHz Frequencies Outdoors