My son's fellow CPO had access to the 'radio room' and he took me in there - I was not allowed to get near the cryto stuff, but did get a good look at the older analog HF / VHF / UHF stuff as well as a briefing on the antenna networks on the ship. (Antenna science being my favorite part of what I do.)

The ship is certainly capable of ELINT, to be sure, just based on what I saw and what I was not allowed to access (or even look at).