Also drops from Tier 1 ZNM Ob at a reasonable rate with TH along with the other new attachments such as Barrier Module, Percolator and Disruptor.
Word to the wise: When collecting Zeni for ZNMs you're able to easily obtain ~100 Zeni/plate when taking pictures of Nauls in Abyssea - Tahrongi. For the best results it's generally recommended to weaken to 1% and then sleep and take multiple photos. Happy hunting~