NB-IoT:窄带物联网(Narrow Band Internet of Things), 也叫低功耗广域网(LPWA),消耗大约180KHz的带宽.
CE: EN301908-1/-13(RF), EN301489-1/-52(EMC),
EN60950-1(), EN5036, EN50566
FCC: Part 22H/24E/27
IC: RSS-132/133/139



Band 1/2/3/5/8/11/12/13/17/18/19/20/25/26/28/
31/66/70
常见产品NB-IOT技术的

