Talkgroup? Sounds to me like you're trying to program in a trunk system.
NYSP Troop B uses 154.905 for base to car transmissions, and 155.595 for car to base transmissions.
Scanners BC250D, BC780x2, 996Tx3, 996XT PRO-92
Ham Icom 208H, Kenwood's TM-271 & TM-V71
PRO Icom's F3061, F4061, F5061, Motorola CDM1250 VHF & UHF, Vertex FTL1011