Just FWIW. Looking at the license (WNKC767) in the ULS, it appears that the application for modification was submitted May of 2011, and was for the addition of the frequency mentioned above with an input of 458.3875. It lists 100 pager units, and the emission designator indicates FMN.
I'm assuming by low-profile you mean not supposed to be a big deal. But what is it? Fire ground, secondary dispatch?