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This antenna seems like the same one as part # ANT-2465
if the specs are the same, is there any reason why it should not work with a 1020 series AP?
If the specs are the same, and you have the connections, it should work fine.
Not officially supported but will work if connection type is the same.
Agreed, it will work. We have one customer who had a Cisco Yagi blown away (they fitted it, not us!) We happened to have a Lucent one spare and they had the connectors to join the two. Result; back in action and still working several months later.