Realix RPC01 Push-to-Talk over Cellular (PoC) radio simplifies the way to communicate with your group members. This radio can be operated on the widely available public cellular network to deliver instant communications at the push of a button. With its rugged, compact, and ergonomic design the RPC01 is easy for one-handed use in harshest of the environments. The built-in high power speaker delivers loud and clear audio so that you never miss a word in highly noisy environments. The 3,500 mAh battery can outlast your shift on a single charge. It is the best choice for those engaged in supermarkets, hotels, logistics, industrial parks, urban and property management, etc.