What are Single, Dual & Tri-Band Roaming?
Mobilink International Roaming is based on a combination of 900 MHz, 1800 MHz and1900 MHz frequencies. Single Band Roaming In some countries only one frequency is available at one given time, e.g. in U.A.E only GSM 900 MHz and in the United States only GSM 1900 MHz network operates. These are examples of countries where you will be able to avail Single Band Roaming only. Dual Band Roaming In other countries both GSM 900 MHz and GSM 1800 MHz are available simultaneously with multiple operators e.g. U. K, Switzerland, Taiwan, Spain etc. Tri-band Roaming With the help of Tri-Band Roaming, you will be able to use your mobile phone on GSM 900 MHz, GSM 1800 MHz and GSM 1900 MHz simultaneously. This is applicable for North America and Canada, which operate on GSM 1900 MHz only. Your phone set must be compatible with the frequencies of the countries you plan to visit. In most cases, you won’t have to change your phone set. To roam on GSM 1800 MHz and/or GSM 1900 MHz in addition to GSM 900 MHz
