The TP9400 IS Series delivers clear, mission-critical voice communications, with a programmable emergency key that is easily accessible and highly visible. It also comes with several safety features as standard, including Man Down and Lone Worker. With inbuilt GPS, the TP9400 IS Series can transmit location data over your conventional voice network. The TP9400 IS Series provides efficient operation with voice and data support for a variety of simulcast modes, such as LSM and C4FM. You can manage your radio fleet with ease through over-the-air-rekeying (OTAR) and Key Fill Device (KFD) for fast, reliable encryption key programming. The TP9400 IS Series is compatible with a range of Intrinsically Safe audio accessories, including speaker-microphones, headsets, and earpieces.