The mobile phone short message capacity refers to the amount of short messages that can be stored in the mobile phone itself. This feature makes it easy for SMS families to easily keep text messages that need to be retained in their phones. Currently, the capacity of mobile phone short messages is mainly concentrated between 10 and 250, and of course there are more high-end smartphones with short message capacity. Today, this feature also becomes a big buying point for mobile phones to meet consumer demand.
An Rf Combiner is used to combine RF from a number of different sources. This is achieved while maintaining the characteristic impedance of the system. Dependent upon the type of combiner it may introduce additional loss by using resistors, or it may be use transformers in which case it could in theory be lossless.
RF combiners can be used in a number of different applications. They are used for sending several signals along a single feeder, and they may also be used for circuits where several RF signals need to be brought together.
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