I found they requested for companies to submit to consult the town on upgrading their radio system back at the end of 2013. The PDF can be found here: http://www.westhartford.org/living_.../BID6336RFQLANDMOBILERADIOSYSTEMCONSULANT.pdf. One of the requests is on page 3:
I'm sure they'd work with New Britain for any issues they ran into installing their system. Considering they're on a SmartNet system, which is just this side of Type I, I'd imagine they'd want to move fairly quickly so maybe by the end of 2015 we'll have something?5. Analyzing and reporting on the costs and benefits of migrating to a digital Phase 2-type radio system, including but not limited to the feasibility of adding broadband capability to the new LMRS.