In the documentation theres this “The gain of the antenna used with the device should be equal to or less than the gain of the antenna used for the cellular modem certification itself.” but whats the gain of the antenna or the modem certification that particle provides when you buy one. I’m interested in sourcing a smaller unit and a cheaper one, but I need to know the spec sheet. i just can’t find it 
Hey guys I found the info I was looking for. This is for anyone out there that need a new/ cheaper antenna but need’s it to comply with the FCC Here’s the PDF with the info.