Utah Code Ann. § 41-6a-1716
(1) As used in this section:
(a)
(ii) "Handheld wireless communication device" includes a:
(b)
(2) Except as provided in Subsection (3), a person may not use a handheld wireless communication device while operating a moving motor vehicle on a highway in this state to:
(3) Subsection (2) does not prohibit a person from using a handheld wireless communication device while operating a moving motor vehicle:
(h) to operate:
(4) A person convicted of a violation of this section is guilty of a:
(b) class B misdemeanor if the person:
(ii) has a prior conviction under this section, that is within three years of: