IIB T4 GB BF-TD510/511 Ex are two intrinsically safe DMR two-way radios with an explosion-proof circuit design as well as a shatter-resistant structure. Their optimal stability and safety easily meet the challenges of explosive work environments. Personnel Safety If a worker slips or falls, the radio will immediately activate the integrated Mandown function and transmit a signal to other radios for help. The Lone Worker feature and Emergency Alarm are also available in case of any accident. BF-TD510/511 Ex are tightly sealed against dust, spills, sprays and unexpected showers, ensuring outstanding...