Gasboy Islander PLUS - Manual (Page 129)

WAN
Wide Area Network
WEP
Wired Equivalent Privacy. The optional cryptographic confidentiality algorithm
specified by IEEE 802.11 used to provide data confidentiality that is
subjectively equivalent to the confidentiality of a wired local area network
(LAN) medium that does not employ cryptographic techniques to enhance
privacy.
WG
Wireless Gateway
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