I did the exact same thing
The M1 looks awesome on paper but it lacked B71, my only hope for a signal at the house.
I was going to sell it, but I use it when I travel. Some hotels still have an ethernet cable in the room.
My last trip with my family I was able to put the M1 into bridge mode and tap into the hotel WiFi.
I got an Apple TV, 3 laptops, and 4 phones connected to the cloud in record time!!
The MoFi was mounted in the minivan, and my son did zoom school at 80mph.
For your setup it’s good to list your goals, options, and budget. The group here can get you connected to the cloud.
Knowledge comes from making mistakes and learning from them.
And sharing your knowledge with others to gain even more knowledge from others,

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