What is a beltpack transmitter?

A beltpack transmitter is a wireless radio microphone transmitter. Usually, it has a lavalier mic connected to it and it is typically used by clipping it onto a belt or waistband. 

With Catchbox Mod, you connect the beltpack transmitter and insert it into the Mod capsule, converting it into a throwable microphone. See the full setup details here.

The beltpack transmitter must be compatible with Catchbox Mod and fit comfortably into the Mod cavity.