MAYSVILLE, KENTUCKY – Dec 11, 2023 – Today Carlson Software begins worldwide shipments of a SIM card, which when activated, includes data service from over 300 worldwide cellular networks. Previously available only in the U.S., the SIM card, from RTK Mobile, works in 150 countries, almost* anywhere on earth a […]

MAYSVILLE, Kentucky, U.S.A. (May 1, 2023) — The coverage of the three major U.S. cellular companies on a single data plan—that’s the promise of an offering announced today by Carlson Software. A 3-network-in-1 SIM card from RTK Mobile provides service from the cellular data networks of AT&T, T-Mobile and Verizon, and automatically connects […]