The ISVX-417-4-5 Pkg-1 has been DISCONTINUED and replaced by the ISVX-451-G7 High UNITo order the ISVX-451-G7 High UNI, click the link above and check the "intrinsically safe" button on the right hand side just above the "Add To Cart" button.
Also includes Stun/Kill/Revive capability to disable a lost or stolen radio -- mitigating any breach of security from unwanted listeners.
For enhanced worker safety, the Lone Worker mode is a built-in timer that requires the user to reset at a predetermined interval. If not reset, the radio automatically switches to Emergency mode to alert help.