Karkina Antennae are acquired by cutting up Karkina caught through Fishing. Go to Fisher Hai-Luk in Cetus, select the desired amount of Karkina available, and select the "Cut Fish" option to extract the components. Each Karkina cut yields one Karkina Antenna.
Alternatively, Fisher Hai-Luk can sell Karkina Antennae in bundles of 10 among her rotating stock of "Daily Specials", which can be bought for Platinum.
Blueprints requiring Karkina Antenna
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