The sim free jcb pro talk tp851 toughphone is a powerhouse of technology wrapped up in a waterproof and dustproof shell this is a sim free toughphone but not as we know itthe jcb pro talk tp851 toughphone has a built in two way radio with pmr and dual sim capabilities whether you are a site foreman or on a skiing holiday gps will help you find your way around and with quad band the jcb pro talk is a truly global deviceother features on this phone include 2mp camera touchscreen gps qua