This might be better than Smart Rocket WIFI, but not for the price
Price on AliExpress
Other 5G mobile WIFI / MIFI
Zyxel NR2101 5G
D-Link DWR-2101 5G Wi-Fi 6 Mobile Hotspot
Netgear Nighthawk M5 MR5200 5G Mobile WiFi Router
source: https://www.4gltemall.com/5g/5g-cpe.html?