The Sonim XP5560 BOLT 2 IS is a Canadian Standards Association (CSA) compliant intrinsically safe (IS) device, with embedded PTT technology on Canada's largest 4G network.1 Offering unmatched safety and Rugged Performance Standards - it can go where other devices can't. The first intrinsically safe device in Canada with a fully-integrated Lone Worker solution, it addresses the important safety demands of employees who work in isolation or exposed to unpredictable conditions.