Wireless Joint

I have an idea and was wondering if anyone knows if this would work. I'm currently using the At&tb $20 iPad plan on my M1 Nighthawk with identity crisis of the iPad I own. The speeds seem to be much slower than my Galaxy S21 with the Unlimited Elite plan, so I was thinking of switching the table...

I have an idea and was wondering if anyone knows if this would work. I'm currently using the At&tb $20 iPad plan on my M1 Nighthawk with identity crisis of the iPad I own. The speeds seem to be much slower than my Galaxy S21 with the Unlimited Elite plan, so I was thinking of switching the table...

I've had the same question as I'm already a post paid customer on the Elite plan and was close to adding the Tablet plan. I'd really like to be able to use the sim in a router as I need outdoor antennas for best performance. If not I guess just tether to an OpenWRT router?