i want use 4g modem in navipilot droid2 in kia mohave in korea

hi i am korean. i an using navipilot droid2 in mohave. it support GPRS / EDGE / 3G / 4G but i can't use 4g as i don't know what modem i buy.

recomment the 4g modem( i used 4g modem-huawei m150-2 but not support).

i use SK(mobile company in korea) 4g in mobile phone.