This is a working unit and we've been using it, but realised the frequency was wrong for our (UK) use, so replaced it.
The lapel mic and power supply are the new unused ones.
Will ship overseas

High quality omni-directional lapel microphone with integrated windshield
Robust bodypack transmitter design
Integrated mute switch
42MHz bandwidth with 1680 selectable channels
Rack mountable receiver in a full-metal housing
Backlit OLED receiver screen for full control
True diversity for stable RF  
Proven industry reliability
Range: up to 100m (300ft)

Includes

1 EM 100 G4 true diversity receiver
1 SK 100 G4 bodypack transmitter
1 ME 2 lapel microphone (new - unused)
1 GA 3 rackmount set
1 power supply (new - unused)

RJ 10 cable