Both Mobile and Home internet.
Plus they support a lot more routers, the list is long.
My parents have the Huawei H155-383, I put the Pi SIM in after removing Afrihost, now it shows LTE 5CA (Bands, 1, 3, 8, 41 & 41) + 5G NSA (Band n78) Speeds close to 1gbps
Afrihost had zero CA. 1 band on LTE...