With the complexities of monitoring different types of events, temperature, motion, location, acceleration, consumption, usage, etc.

 Some of these systems need to connect directly to a low data-rate cellular network to transmit its data. Now, with CAT M1, NB IoT cellular chipset that have great low power consumption it is possible. Designers need the right small LTE cellular chip SMT/SMD antenna to go with these ever-shrinking portable products. 

source：http://www.johansontechnology.com/