BCA BC Link Radios are the best way to Maximize your line and your safety. Strong group communication is the key to any successful day of adventuring. Find separated friends, communicate plans, stick your line and share observations in real-time with the BC Link™ group communication system. Work through complex terrain as a team with our two-way backcountry radios optimized for winter. The Smart Mic user interface is located at your fingertips, meaning you never need to dig the radio out of your pack to change settings.