Good communication within the group is one of the key factors for any successful adventure. Find your friends again, share your plans with them, stay with your line or share your observations with the BC Link without any time delay with the whole group. Because the Smart Mic is always at hand and does not have to be rammed out of the backpack. Long-lasting, rechargeable lithium-ion battery is included with every BC Link radio. Includes wireless base unit with connection to the Smart Mic. Compatible with all backpacks, optimized for use with the BCA Stash and Float Packs. The BC Link Europa Edition broadcasts on PMR446 frequencies, which is tested and licensed in Europe.