Huawei E398 received.
Comparing with my maxis wireless home broadband (the one 21.1 from maxis, lazy to check model but it's from huawei), this one is super stable and faster.
Working very nicely with mikrotik rb951g. will do further test and if needed perhaps will need another modem
[WTS]Huawei E3276 USB LTE Modem, No longer available Modems