The Geokall Mobile™ Global eSIM/Smart SIM utilizes existing networks on the Global System of Mobile Communications (GSM), such as AT&T, T-Mobile, Vodafone, Orange, O2, NTT Docomo, Telefonica, Digicell, MTN, Airtel, Etisalat, and many other GSM networks around the world. The Geokall Mobile™ Global eSIM/Smart SIM automatically selects the network with the strongest signal and roams on to it.

The Geokall Mobile™ Global eSIM/Smart SIM automatically changes networks it roams on, and you may notice that the networks it roams on changes because of its ability to select the network with the strongest signal and roams on it in order to provide better receptivity for placing and receiving calls and also for accessing the internet through the data aspect of it. With this magic habit, you are provided with a better service than the local networks in that area since changes in roaming networks mechanism are not available between or among the local networks in the same country.

The Geokall Mobile™ Global eSIM/Smart SIM operates on the following GSM Bands/Frequencies:

• GSM 850 (USA)
• GSM 900 (Europe, Asia, Africa, Australia, parts of South and Central America)
• GSM 1800 (Europe, Asia, Africa, Australia/Pacific, Brazil)
• GSM 1900 (USA, Canada, South and Central America)

A Tri-band or Quad band mobile phone with 3G and above capability is strongly recommended to use with the Geokall Mobile™ Global eSIM/Smart SIM so you can get a connection due to the variety of network frequencies and bands globally.