LEGACY MC-I3 This product is legacy and unsupported. LEGACY Sign in or sign up for myTopcon to view this page: Sign In Sign Up QUICK GUIDES TRU (Topcon Receiver Utility): MC-i3 and MC-i4 Connection Parameters TRU (Topcon Receiver Utility): MC-i3 and MC-i4 Connection Parameters Steps to connect to MC-i3 and MC-i4 receivers with TRU (Topcon Receiver Utility) to configure the GNSS board. See More SL-100: Cellular activation on myTopcon SL-100: Cellular activation on myTopcon This article explains how to do a cellular activation on myTopcon using service points. See More