Wireless Joint

Planning on building a pfsense/opnsense or openwrt router using the Quectel RM502Q-AE modem connected to this 6x2.5gb mini pc: https://www.alibaba.com/product-detail/Wholesale-Price-Router-12th-Gen-Cele_1600451182936.html Wondering if the Quectel modem would work if used with this https://www.alibab...

I'm in a rural area in Italy and currently only have ADSL at 7mbs. I'm looking to upgrade to a 5G router/modem setup with a mix of 2 kaiser directional antennas and a lowcostmobile panel antenna.The cell tower is within eye sight (5kms away). The 5G infrastructure here is still "coming up"...