The PTRCB approval includes TRP and TIS
TRP and TIS are related to the size of the ground plane and small emergency devices like a GSM watch can´t offer a reasonable ground plane.
GSM watch
Does it mean that a small emergency device to protect children or a dog collar to track your dog can´t be launched in US? This can´t be true, because the Americans love their kids and pets as well.
So where is the way out of the jungle? Which piece of paper where to sign? How to launch a small or ultra small GSM device in US?