Epson WF-4820 Series User Manual page 371

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