Epson WorkForce Pro WF-7820 All-in-One Inkjet Printer - Manual (Page 378)

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Wi-Fi Direct channels 2.4 GHZ:
1/2/3/4/5/6/7/8/9/10/11/12/13
5 GHz (U.S. and Canada) * :
W52 (36/40/44/48)
W58 (149/153/157/161/165)
Maximum radio-frequency
power transmitted 20 dBm (EIRP)
Connection modes Infrastructure mode
Wi-Fi Direct (Simple AP); not supported for IEEE802.11b
Note: Infrastructure and Wi-Fi Direct modes can be used
simultaneously.
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 (U.S. and Canada)
Frequency
range W52 W53 W56 W58
Frequency 5150-5250 MHz 5250-5350 MHz 5470-5725 MHz 5725-5850 MHz
Channel 36/40/44/48 52/56/60/64 100/104/108/112/116/
132/136/140 149/153/157/161/
165
U.S. Outdoor use
allowed Outdoor use
allowed Outdoor use allowed Outdoor use
allowed
Canada Outdoor use
prohibited Outdoor use
allowed Outdoor use allowed Outdoor use
allowed