No. All Tractive GPS trackers contain a built-in, non-exchangeable SIM card, which is compatible with multiple cellular networks in each country where Tractive operates. So it is not necessary to purchase a SIM card for your new Tractive GPS tracker. Simply activate your device in the Tractive GPS mobile or web app, and start tracking in over 175 countries worldwide with a Tractive GPS PREMIUM subscription plan. Thanks to the integrated SIM card, the Tractive GPS generally works anywhere there is cellular coverage.