Samson's SWGMMLAV is their PXD2 beltpack transmitter that's designed for seamless use with their Go Mic Mobile Professional Wireless System for Mobile Video. Working in concert with the included LM8 Omnidirectional Lavalier Microphone, the PXD2 is the ideal addition to any Go Mic Mobile system. It offers up to 100ft of uncompressed digital wireless operation - great for all your filmaking/video purposes.