Thx Matthew. Some folks with MF820D+ tested with TL-MR3420 and it worked, albeit only with 3G speed(Not 4G LTE). Hope this will help other people with the same question.

Region : Argentina Model : TL-MR3220 Hardware Version : V2 Firmware Version : ISP : Hello, I am looking at TL-MR3420 and need more info before purchase. 1) From modem compatibility page it stated ZTE...