Adatabase on a mobile device containing bands, sub-bands and service provider ids allowing the device to establish connection with the right cell phone tower is called:

a. prl
b. ris
c. pri
d. pii

A. PRL

Explanation:

Mobile phone technologies like CDMA , GSM etc, are used by cell/ mobile phone to transmit and receive signals. With the limitation of fluctuation, a mobile phone was made to adapt to this problems, thereby combining this broadbands like CDMA, GSM,4G LTE etc gave rise to PRL (Preferred roaming list) database to hold information needed to establish connection to the correct cell tower for these broadbands.

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