Any router can replace that but you will need a LTE modem.
Can you recommend one model for me? I have the
Huawei E3372 LTE Modem. Which one is good for me?
if you could send supout we can check if we can add support for e3372.
For Stable 4G Mikrotik i alo sugest RB922 Plus Sierra Wireless MC7710 / Huawei - ME909u-521