New Jersey Interoperability Communications System (NJICS) Trunking System Profile
www.radioreference.com
and a note that is om there...
Unlike the 800 MHz NJSP system, this is
not a fully simulcast system. While a limited number of talkgroups may be carried across multiple sites routinely, that is the exception, not the rule. Most talkgroups will only be carried on the sites local to their users, which may come and go seemingly randomly at times.
and then there is...
try them both to be sure.