On top of LTE, you still have access to 3G. Same as the Verizon iPad3 when not in an LTE area. Think of it now as an iPad nano.
There is a guide on Lifehacker to cut the SIM card. But to be honest, all you have to do is trim off every bit of the non-gold chip area. Then create the slight angle in one corner. You might have to shave a tiny bit more into the gold area but not so much as to do any damage.
There is a guide on Lifehacker to cut the SIM card. But to be honest, all you have to do is trim off every bit of the non-gold chip area. Then create the slight angle in one corner. You might have to shave a tiny bit more into the gold area but not so much as to do any damage.