Tenda F357 User Manual page 39

Wireless N301 Easy Setup Router
WPS
Wi-Fi Protected Setup makes it easy for home users who know little
of wireless security to establish a home network, as well as to add
new devices to an existing network without entering long
passphrases or configuring complicated settings. Simply enter a PIN
code or press the software PBC button or hardware WPS button (if
any) and a secure wireless connection is established.
Operation Instructions:
PBC: To use WPS-PBC, try the way below:
Press the hardware WPS button on the router for about 1 second
and then enable WPS/PBC on the client device within 2 minutes;
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