The main difference between a mobile signal repeater and a small cell is their purpose and deployment,the best solution for improving cell phone reception will depend on the specific needs of the situation.

The type of cell phone signal you need: There are signal boosters for 3G, 4G, and 5G cell phone signals. Make sure to choose a booster that supports the type of signal you need.

here are some factors to consider when selecting a suitable antenna for a cell phone signal booster : The type of cell phone signal booster you have .  The size of the area you need to cover . The location of the cell phone signal booster.  The budget .

A signal booster is a device that amplifies the cell signal in your area. This can be a great solution if you live in an area with poor cell reception.

Get a cell signal booster. This is the most effective way to boost your cell signal, but it can be expensive. A cell signal booster will amplify the existing cell signal from outside your home, so you'll need to have some signal to start with.